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Find a pentest company offering Incident Response

730 companies offer this service

Red Cursor

Red Cursor

Boutique Penetration Testing
Sydney, Australia 7 employees

IT services and cybersecurity consulting firm specializing in penetration testing, cloud security, incident response, and security architecture; founded in 2018, with 6 employees in Sydney, Australia; known as Australia's leading penetration testing firm with over 800 businesses secured.

Provides Penetration Testing
Cloud Security Consulting
Incident Response
+1 more
Fort Safe

Fort Safe

Proactive Penetration Testing
Dawes Point, Australia 5 employees

Cybersecurity consultancy specializing in penetration testing and security services for Australian clients; founded in 2018, with 2 employees and +25% YoY growth, headquartered in Dawes Point, NSW, Australia. Offers threat modeling, security architecture, fuzz testing, secure code review, cloud security, incident response, and GRC.

Provides Penetration Testing
Secure SDLC Consulting
Incident Response
+3 more
Cybernetic Global Intelligence (CGI)

Cybernetic Global Intelligence (CGI)

Web Application Pentesting
Brisbane, Australia 201 employees

Cybernetic Global Intelligence (CGI) is a private cybersecurity consulting firm based in Brisbane, Australia, founded in 2009. It is ISO 27001 certified, PCI DSS QSA, and IAF accredited, providing tailored cybersecurity solutions such as penetration testing, web application testing, and wireless security. The company has 2 employees, with 2,321 monthly website visits and a global rank of #6,126,332, serving clients in the cybersecurity and managed security services sector.

Provides Penetration Testing
Vulnerability Assessments
PCI DSS Compliance
+5 more
ZIRILIO

ZIRILIO

Web Application Pentesting
Sydney, Australia 15 employees

Security and investigations company specializing in penetration testing, vulnerability assessments, cloud risk evaluation, and incident response; offers comprehensive security services with a focus on ethical cyber-attacks and infrastructure testing. Founded in 2013, based in Sydney, Australia, with 9 employees and a declining growth rate of -11.8% monthly; web presence includes 164 monthly visits and a global rank of #9,792,111.

Provides Penetration Testing
Vulnerability Assessments
Cloud Risk Assessments
+5 more
ctrl:cyber

ctrl:cyber

Web Application Pentesting
Melbourne, Australia 55 employees

Cybersecurity company specializing in penetration testing, GRC, incident response, and offensive security; 33 employees with 7.8% YoY growth; based in Melbourne, Australia, founded in 2017; trusted partner for Australian organizations with a focus on cyber advisory and risk operations.

Provides Penetration Testing
24/7 Cyber Defense Through A Risk Operations Centre (roc+)
Governance
+4 more
Cybiz

Cybiz

Manual Penetration Testing
Australia 3 employees

Australian cybersecurity firm based in Sydney; provides penetration testing, cyber preparedness, and resilience services; CREST Australia and New Zealand approved for active security testing.

Provides Penetration Testing
Cyber Preparedness
Incident Response
+3 more
Tarian Cyber

Tarian Cyber

Penetration Testing
Australia 3 employees

Australian cybersecurity company based in Brisbane; specializes in penetration testing with certified offensive security expertise; provides active security testing and vulnerability assessments.

Provides Penetration Testing
Vulnerability Assessments
Active Security Testing
+4 more
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Covenant Cyber

Covenant Cyber

Web Application Pentesting
Australia 2 employees

Australian-based private IT services and consulting company with 2 employees; specializes in offensive security and penetration testing services, including network, application, cloud, infrastructure, and human factor assessments; registered in Australia with ABN 37166574790 and domain covenantcyber.com.au.

Provides Penetration Testing
Offensive And Defensive Security Services
Compliance Support
+5 more
Spartans Security

Spartans Security

Application, Infrastructure, a...
Australia 9 employees

Australian cybersecurity company based in Melbourne; provides penetration testing services for applications, infrastructure, and APIs; officially approved as a MITRE CVE® CNA; headquartered in Cremorne, Victoria, with active focus on offensive security and vulnerability management.

Provides Penetration Testing
Security Assessments
Compliance And Privacy Consulting
+4 more
Cyber Matters™

Cyber Matters™

Web Application Penetration Te...
Australia 7 employees

Cyber Matters™ is an Australian cybersecurity consulting firm based in Parramatta, NSW; specializes in penetration testing, vulnerability assessments, and security consulting with CREST accreditation, offering manual pentests covering OWASP Top 10 and SANS Top 25.

Provides Cybersecurity Consulting
Penetration Testing
Vulnerability Assessments
+5 more
Threat Intelligence Pty Ltd

Threat Intelligence Pty Ltd

Active Penetration Testing
Australia 18 employees

Australian cybersecurity company based in Sydney; offers penetration testing, incident response, MSSP, and security platform solutions. Provides active pentest services and a unified Evolve platform integrating threat intelligence, dark web monitoring, and security testing.

Provides Penetration Testing
Incident Response
Managed Security Services (mssp)
+4 more
Zensec

Zensec

Comprehensive Real-World Penet...
Australia 33 employees

Australian cybersecurity firm specializing in ransomware recovery, incident response, and penetration testing; NCSC approved Ransomware Recovery Specialists; CREST-accredited with comprehensive security services including penetration testing, incident response, and managed firewall solutions.

Provides Ransomware Recovery
Incident Response
Penetration Testing
+2 more
Borderless CS

Borderless CS

Comprehensive Penetration Test...
Melbourne, Australia 10 employees

Australian cybersecurity firm specializing in penetration testing with CREST accreditation; 11 employees, founded 2023, $1M-$5M revenue, $100K seed funding, Melbourne HQ; offers ethical hacking, real attack simulations, and security assessments across networks, cloud, and infrastructure.

Provides Comprehensive Cybersecurity Services Including Penetration Testing
Managed Security And SOC Services
Identity And Access Management
+5 more
SwiftSafe

SwiftSafe

Web Application Pentesting
Glenroy, Australia 19 employees

Australian cybersecurity and IT consulting company specializing in penetration testing and AI-driven security solutions; offers web, network, mobile, and cloud application testing; 17 employees, founded 2015, based in Glenroy, Victoria, with a global rank of #8,101,165 and 4.1/5 employer rating.

Provides Penetration Testing (web
Network
Mobile
+5 more
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Cyber Audit Team

Cyber Audit Team

Agile Penetration Testing
Australia 9 employees

Cyber Audit Team is a private Australian cybersecurity company founded in 2017 with 8 employees, specializing in end-to-end IT and cybersecurity services including penetration testing, security assessments, and risk management. It offers active exploitation and simulation of attacks through its penetration testing services, utilizing agile methodologies to identify vulnerabilities in networks, applications, endpoints, and users. The company has experienced a 35.7% YoY decline in workforce, with a modest online presence of 1,255 monthly visits and a global rank of #8,973,650.

Provides Penetration Testing
Vulnerability Assessments
Managed Detection And Response
+5 more
Cyber Forte

Cyber Forte

Advanced Penetration Testing
Southbank, Australia 6 employees

Australian cybersecurity firm founded in 2019; specializes in penetration testing, security assessments, dark web monitoring, and security strategy; 3 employees with 20% YoY growth; headquartered in Southbank, Victoria, Australia.

Provides Advanced Penetration Testing
Certification And Compliance
Security Awareness As A Service
+3 more
Clearnet Labs

Clearnet Labs

Penetration Testing
Australia 10 employees

Australian cybersecurity firm based in Surry Hills, Sydney; provides penetration testing and red team services, including deep-dive assessments and full red team operations.

Provides Penetration Testing
Red Teaming And Adversary Simulation
Cloud And Code Reviews
+2 more
Parabellum Cybersecurity

Parabellum Cybersecurity

Advanced Systems And Network P...
Australia 5 employees

Australian cybersecurity firm specializing in advanced systems and network penetration testing; offers red team simulation services to emulate sophisticated security breaches; headquartered in Sydney, NSW, with active ABN registration.

Provides Advanced Systems And Network Penetration Testing
Red Team Simulation
Incident Response
+1 more
Cythera

Cythera

Tailored Penetration Testing
Melbourne, Australia 45 employees

Cythera is an Australian cybersecurity firm founded in 2018, with 37 employees and 15.4% YoY growth, headquartered in Melbourne. It offers a broad range of cyber security services including penetration testing, incident response, threat intelligence, and managed detection & response, with dedicated testing services for web, internal, external, and OT/SCADA environments.

Provides Comprehensive Cybersecurity Services Including Penetration Testing
Vulnerability Assessments
Incident Response
+5 more
WhiteRook Cyber

WhiteRook Cyber

Comprehensive Network and Appl...
Brisbane, Australia 8 employees

Australian cybersecurity firm specializing in penetration testing, security awareness training, and cyber resilience; 4 employees with -20% YoY growth; headquartered in Brisbane, Queensland; offers expert offensive security services and training programs, with recent strategic merger with Screwloose IT.

Provides Penetration Testing
Red Team And Purple Team Engagements
Security Awareness Training
+5 more
Holocron Cyber

Holocron Cyber

Comprehensive Penetration Test...
Brisbane, Australia 3 employees

IT Services and IT Consulting company specializing in cybersecurity solutions; provides penetration testing, vulnerability scans, and attack simulations to protect Australian businesses from cyber threats. Founded 2022; 1 employee; Brisbane, Australia; 886 monthly website visits.

Provides Penetration Testing
Vulnerability Assessments
Security Audits
+5 more
Vanguard Cyber

Vanguard Cyber

Small to Medium Business Penet...
Sydney, Australia 2 employees

Australian cybersecurity consultancy specializing in computer and network security; offers penetration testing, security engineering, managed security services, and risk and compliance; based in Sydney with 1 employee, emphasizing quality-driven, modern security solutions.

Provides Penetration Testing
Security Assessments
Compliance Consulting
+2 more
Cyooda Security | Cyber Security for Law Firms

Cyooda Security | Cyber Security for Law Firms

Penetration Testing for Law Fi...
Sydney, Australia 1 employees

Cybersecurity company based in Sydney, Australia, specializing in cybersecurity services for law firms; provides penetration testing, incident response, security program development, and compliance assessments; founded in 2023 with 1 employee, emphasizing personalized, business-focused cybersecurity solutions and active penetration testing engagements.

Provides Penetration Testing
Vulnerability Assessments
Digital Forensics
+5 more
Gridware

Gridware

Network and Red Team Pentestin...
Australia 13 employees

Australian cybersecurity firm based in Sydney; specializes in penetration testing, red teaming, and adversary simulation with a focus on rapid, expert security testing services. The company is positioned as a trusted partner for organizations seeking to improve security and compliance.

Provides Penetration Testing
Red Teaming
Adversary Simulation
+5 more
Sententia Pty Ltd

Sententia Pty Ltd

Comprehensive Penetration Test...
Australia 50 employees

Cybersecurity company based in Surry Hills, Sydney, Australia, specializing in penetration testing services; features dedicated pentest offerings on website, domain registered in Australia, headquarters confirmed in Australia.

Provides Penetration Testing
Cyber Security Assessments
Managed Security Services
+5 more
Aphore

Aphore

Real-World Attack Simulation
Australia 6 employees

Cybersecurity company based in Melbourne, Australia, specializing in penetration testing services; offers real-world attack simulations to identify vulnerabilities; headquartered in Melbourne with offices across Australia; registered as Aphore Pty Ltd in VIC 3149.

Provides Penetration Testing
Managed IT Services
Incident Response
+2 more
ThreatDefence

ThreatDefence

Red Team Attack Simulation
Australia 21 employees

Australian cybersecurity firm specializing in SecOps and penetration testing; headquartered in Sydney with operations since 2012; offers attack simulation and red-team exercises to test security defenses.

Provides Penetration Testing
Red Team Attack Simulations
24x7 Managed Threat Detection And Response
+5 more
Gridware

Gridware

Web Application Pentesting
Sydney, Australia 33 employees

Cybersecurity company based in Australia; specializes in penetration testing, threat intelligence, incident response, and cyber risk audits; 13 employees, $3M revenue, founded 2017, raised $10.5M seed funding in 2023.

Provides Penetration Testing
Incident Response
Governance And Audit
+4 more
Cybernara

Cybernara

Web Application Pentesting
Australia 23 employees

Australian cybersecurity firm based in Adelaide; provides penetration testing, web app, external, and cloud security assessments; emphasizes enterprise-grade security and global trust.

Provides Penetration Testing
Vulnerability Assessments
Cloud And AI/ML Security Assessments
+5 more
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Myciso

Myciso

Cybersecurity Penetration Test...
Australia 21 employees

Australian cybersecurity company based in Sydney; provides security management solutions and penetration testing services as part of its offerings; operates in the cybersecurity industry.

Provides Cybersecurity Management Solutions Including Risk Assessments
Control Maturity Assessments
Supplier Risk Management
+2 more
M-TECH Business Solutions

M-TECH Business Solutions

Penetration Testing and Vulner...
London, Canada 3 employees

Cybersecurity firm specializing in penetration testing, vulnerability assessments, and network security; founded 2001, 2 employees, based in London, Ontario, Canada, serving clients with data protection and compliance services.

Penetration Testing
Vulnerability Assessments
Network Security
+4 more
Situate Business Solutions Inc

Situate Business Solutions Inc

Penetration Testing and Threat...
Canada 5 employees

Cybersecurity firm based in Calgary, Alberta, Canada; provides penetration testing, threat hunting, incident response, and monitoring services; identified as Canada-based through website and LinkedIn profile.

Penetration Testing
Threat Hunting
Incident Response
+2 more
Cyberwall

Cyberwall

Penetration Testing and Vulner...
Canada 11 employees

Canada-based cybersecurity company headquartered in Toronto, Ontario; specializes in managed cybersecurity services including penetration testing and attack simulations; provides security assessments to organizations to evaluate their cyber defense posture.

Managed SOC/MDR 24x7
Email Security
Penetration Testing And Vulnerability Management
+5 more
Armour Cybersecurity

Armour Cybersecurity

Penetration Testing and Ethica...
Canada 13 employees

Canada-based cybersecurity company headquartered in Toronto, Ontario; specializes in penetration testing and ethical hacking services, with confirmed offerings of simulated cyber attack assessments and vulnerability identification.

Penetration Testing
Advisory Services
Professional Services
+2 more
Invictus Solutions Inc

Invictus Solutions Inc

Penetration Testing and Ethica...
Canada 201 employees

Canadian cybersecurity company based in Markham, Ontario; specializes in penetration testing, security consulting, incident response, vulnerability management, and managed IT services; emphasizes security as a core component of business growth and scalability.

Penetration Testing
Security Consulting
Incident Response
+5 more
The Solutioners

The Solutioners

Penetration Testing & Adversar...
Richmond Hill, Canada 5 employees

IT System Data Services company based in Canada; specializes in web design, hosting, SEO, printing, and cybersecurity including penetration testing and adversary simulation; founded 2024; 1 employee; Richmond Hill, Ontario.

API Security
BCDR
Incident Response
+5 more
Aarvicom

Aarvicom

Red Teaming
Canada 3 employees

Cybersecurity company based in Toronto, Canada; provides penetration testing including red teaming, network security, and security assurance services; emphasizes simplified cybersecurity solutions.

Penetration Testing
Red Teaming
Network Security
+4 more
Strategic CyberSecurity Inc.

Strategic CyberSecurity Inc.

Strategic Penetration Testing
Toronto, Canada 11 employees

Cybersecurity company based in Toronto, Canada, specializing in penetration testing, security assessments, and threat intelligence; 1 employee; active in strategic alliances and national cybersecurity initiatives.

Penetration Testing
Cyber Security Risk Assessments
Soc-as-a-service
+3 more
Cyberwolfe

Cyberwolfe

Penetration Testing Services
Canada 5 employees

CyberWolfe is a Canada-based cybersecurity firm headquartered in Oakville, Ontario, specializing in penetration testing services; they simulate real-world attacks to identify vulnerabilities, deliver comprehensive reports, and provide mitigation strategies, supported by a team of Offensive Security Professionals.

Penetration Testing
Vulnerability Assessment
Threat Intelligence
+5 more
InfoTransec

InfoTransec

Penetration Testing and Vulner...
Hamilton, Canada 3 employees

Cybersecurity-focused IT services and consulting company based in Hamilton, Canada; specializes in penetration testing, threat intelligence, incident response, and security assessments; 2 employees; founded 2009.

Threat Intelligence
Vulnerability Assessment
Penetration Testing
+5 more
YottaSec

YottaSec

Penetration Testing and Vulner...
montreal, Canada 3 employees

YottaSec is a Canada-based IT services and cybersecurity consulting company founded in 2019, with 3 employees. It specializes in information security, including penetration testing services, social media security, and cloud security solutions.

Cybersecurity Posture Assessment
Vciso Services
Incident Response
+3 more
Malto Cyber

Malto Cyber

Comprehensive Penetration Test...
Canada 10 employees

Cybersecurity company based in Toronto, Canada, specializing in penetration testing and security governance; explicitly offers pentest services and emphasizes trusted cybersecurity solutions; founded and registered in Canada.

Information Security Strategy Development
Security Architecture & Design
Security Personnel Augmentation
+5 more
Nuformat Inc.

Nuformat Inc.

Managed Detection and Response...
Markham, Canada 2 employees

Nuformat Inc. is a Canadian cybersecurity firm specializing in managed detection and response (MDR) services for SMBs; with 2 employees, founded in 2019, and $109.1K in funding. The company explicitly offers penetration testing, including network and website penetration tests, highlighting its attack-simulation testing expertise.

Managed Detection And Response (mdr)
Incident Response
Security Assessments
+4 more
Bradley & Rollins

Bradley & Rollins

Attack Surface Reduction and P...
Canada 11 employees

Canadian cybersecurity company based in Montreal, Quebec; specializes in cyber defense, attack surface reduction, and penetration testing services including simulated cyber-attacks, exploitation, and post-exploitation activities.

Penetration Testing
Attack Surface Reduction
24/7 Security Operations Center Monitoring
+4 more
CyberStratego

CyberStratego

Penetration Testing and Red Te...
Canada 2 employees

Canada-based cybersecurity services provider headquartered in Montreal; specializes in managed cybersecurity solutions with explicit penetration testing and red teaming services to discover and address vulnerabilities.

Managed Cybersecurity Services
Vciso Services
Penetration Testing
+5 more
StreamScan

StreamScan

Comprehensive Penetration Test...
Canada 32 employees

Canadian cybersecurity firm based in Montreal, Quebec; provides comprehensive cybersecurity solutions with a focus on penetration testing, including application, network, server, IoT, ICS/Industry 4.0, social engineering, and phishing testing.

Penetration Testing
Managed Detection And Response (mdr)
Incident Response
+3 more
Acsi - Alternetive Converged Solutions Inc.

Acsi - Alternetive Converged Solutions Inc.

Network Security Assessments
Canada 9 employees

Cybersecurity firm based in Calgary, Alberta, Canada; over 20 years of experience; provides network security solutions including penetration testing services, with an award-winning team of network architects and engineers.

Network Security
Penetration Testing
Vulnerability Assessments
+5 more
C3SA Cyber Security & Audit

C3SA Cyber Security & Audit

Cyber Security Audit and Incid...
Ottawa, Canada 19 employees

Cybersecurity and IT services firm specializing in penetration testing, vulnerability assessments, and incident response; 11 employees, $10M revenue, founded 2005 in Ottawa, Canada; offers professional cybersecurity advisory and managed services.

Penetration Testing
Vulnerability Assessment
Cybersecurity Consulting
+3 more
Captosec

Captosec

Penetration Testing and Vulner...
Canada 11 employees

Canadian cybersecurity firm based in Quebec; specializes in penetration testing, web app security assessments, intrusion testing, and vulnerability evaluations; offers attack-simulation services and technical security solutions.

Penetration Testing
Vulnerability Assessment
Security Consulting
+5 more
ADVANTUS360

ADVANTUS360

Penetration Testing and Red Te...
Calgary, Canada 11 employees

Cybersecurity-focused IT services and consulting company based in Calgary, Canada; provides penetration testing, incident response, risk mitigation, and security design with 9 employees, founded in 2015. Specializes in deploying advanced IT security solutions including Palo Alto Networks and next-generation security technologies.

Penetration Testing
Red Team Exercises
Cybersecurity Management
+4 more
VARS Corporation

VARS Corporation

Penetration Testing and Securi...
Montreal, Canada 20 employees

Cybersecurity company specializing in managed security services, penetration testing, and security assessments; offers realistic penetration simulations for network and application evaluation; 17 employees; Founded 2017; Montreal, Canada.

Managed Cybersecurity Solutions For Smes
Virtual CISO Services
Operational Technology Security
+4 more
Allcare IT

Allcare IT

Penetration Testing
Canada 11 employees

Canadian cybersecurity and IT solutions provider based in Kingston, Ontario; offers penetration testing and cybersecurity support for Eastern Ontario businesses.

IT Support
Cybersecurity
Penetration Testing
+5 more
FUSION CYBER GROUP

FUSION CYBER GROUP

Penetration Testing and Ethica...
Montreal, Canada 16 employees

FUSION CYBER GROUP is a private Canadian cybersecurity firm founded in 1985, based in Montreal, Quebec, with 11 employees and a 6.7% YoY growth. They specialize in unbreakable security solutions for business growth, offering services such as managed threat monitoring, endpoint malware detection, data loss prevention, ransomware protection, cybersecurity consulting, and penetration testing, including ethical hacking and attack simulations.

Managed Cybersecurity (mssp)
Managed IT Services (msp)
Penetration Testing
+5 more
Maverick InfoSec

Maverick InfoSec

Penetration Testing and Vulner...
Canada 2 employees

Cybersecurity company specializing in computer and network security services; provides penetration testing, vulnerability assessments, incident response, and 24/7 cyber monitoring; headquartered in Langley, BC, Canada, with presence in the Philippines; employs 2 people (+100% YoY growth).

Penetration Testing
Vulnerability Assessments
Incident Response
+1 more
Cyber Security PenTesting Inc.

Cyber Security PenTesting Inc.

Penetration Testing and Vulner...
Canada 1 employees

Cyber Security PenTesting Inc is a Toronto-based cybersecurity firm with over 20 years of experience specializing in penetration testing, vulnerability assessments, and application security. They focus on evaluating security posture through internal and external penetration tests, providing advanced security solutions for clients in Canada.

Penetration Testing
Vulnerability Discovery
Application Security
+5 more
Ammolite Security

Ammolite Security

Vulnerability and Penetration ...
Canada 3 employees

Cybersecurity company based in Canada; provides penetration testing and vulnerability assessment services; headquartered in Canada, supporting sources include official website and LinkedIn profile.

Penetration Testing
Vulnerability Assessment
Cybersecurity Training
+5 more
SecurityX

SecurityX

Advanced Penetration Testing a...
Canada 201 employees

SecurityX is a Toronto-based cybersecurity firm providing advanced cyber security services, including penetration testing and vulnerability assessments; headquartered in Toronto, Canada, serving clients across Canada.

Penetration Testing
Vulnerability Assessment
Cyber Security Solutions
+3 more
Cybersecurity Mathieu Fluet

Cybersecurity Mathieu Fluet

Managed Security and Penetrati...
Canada 5 employees

Canada-based cybersecurity services provider; headquartered in Laval, Quebec, with a focus on managed security, penetration testing, and security monitoring. Offers tailored solutions including annual intrusion tests and attack simulations, emphasizing operational excellence and trust.

Managed Security
Penetration Testing
Security Monitoring
+5 more
Arista Cyber

Arista Cyber

OT/ICS Cybersecurity and Penet...
Canada 2 employees

Canada-based cybersecurity firm specializing in OT cybersecurity and functional safety; headquartered in Richmond Hill, Ontario; offers penetration testing services for OT/ICS environments, including OT Penetration Testing to identify vulnerabilities.

OT Penetration Testing
OT/ICS Cybersecurity Services
Policy & Audit
+5 more
MozoX

MozoX

Penetration Testing and Red Te...
Canada 14 employees

MozoX is a Canadian-based private software development firm founded in 2018, with 8 employees and a 12.5% YoY workforce decline; specializes in cybersecurity, offering penetration testing for web, mobile, network, wireless, and internal systems, along with red team assessments, emphasizing security testing and risk management capabilities.

Incident Response
Ransomware Prevention
Risk Management
+2 more
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Upside Business Technologies

Upside Business Technologies

Network Security Assessments
Winnipeg, Canada 11 employees

Cybersecurity and IT solutions provider based in Winnipeg, Canada; 3 employees with +33.3% YoY growth; specializes in penetration testing, threat monitoring, incident response, and digital risk assessment; ranked #11,736,682 globally with 1,097 monthly website visits.

Penetration Testing
Proactive Threat Monitoring
Incident Response
+4 more
CipherNest Cybersecurity Inc

CipherNest Cybersecurity Inc

Adversary-Emulation and Red Te...
Canada

Toronto-based cybersecurity firm founded in 2025; specializes in penetration testing, adversary-emulation, red and purple teaming, with a focus on attack simulations and offensive security capabilities.

Penetration Testing
Adversary Emulation
Red Teaming
+5 more
Decyifer - Total Security

Decyifer - Total Security

Cyber Breach Simulation
Calgary, Canada 51 employees

Cybersecurity firm based in Calgary, Canada, founded in 2022; 2 employees; specializes in penetration testing, vulnerability assessments, breach audits, breach simulations, incident response, and ransomware recovery; emphasizes advanced simulated attack testing to identify security gaps.

Penetration Testing
Cyber Breach Simulation
Security Consulting
+5 more
MDSec

MDSec

Web Application and Mobile Pen...
United Kingdom 60 employees

MDSec is a UK-based private cybersecurity consultancy specializing in adversary simulation, application security, penetration testing, incident response, research, training, and technical security; with 38 employees (+1.7% YoY growth), $1M annual revenue, founded in 2011, and recognized for expertise in application, mobile, and hardware security, and targeted red team attacks.

Adversary Simulation
Application Security
Penetration Testing
+3 more
Precursor Security

Precursor Security

CREST Certified Offensive Pene...
Leeds, United Kingdom 35 employees

UK-based cybersecurity company specializing in CREST-certified penetration testing and offensive security services; 20 employees with 29.6% YoY growth; founded in 2018; operates a 24/7 UK SOC; ranked #10,195,298 globally with 1,588 monthly website visits; offers tailored cybersecurity solutions, edge protect tools, and active threat simulation.

Penetration Testing
Security Operations Centre
Compliance
+1 more
Pentest People

Pentest People

Web Application Penetration Te...
Leeds, United Kingdom 113 employees

UK-based security consultancy specializing in Penetration Testing as a Service (PTaaS); 76 employees with 20.2% YoY growth; offers web application and network penetration testing, simulating attacks to identify vulnerabilities; active in cybersecurity market with recent focus on security testing and cyber risk analysis.

Penetration Testing
Vulnerability Scanning
Incident Response
+5 more
SecureTeam Ltd

SecureTeam Ltd

Web Application Pentesting
Other 11 employees

UK-based cybersecurity consultancy founded in 2016; 6 employees with -8.3% YoY growth; specializes in penetration testing, security hardening, Red Team assessments, incident response, and forensics; headquartered in London, UK; provides network & application penetration testing, secure configuration review, and cybersecurity advisory services.

Penetration Testing
Vulnerability Assessment
Secure Configuration Review
+3 more
Pen Test Partners

Pen Test Partners

Web Application Pentesting
Buckingham, United Kingdom 110 employees

Cybersecurity company specializing in penetration testing services across networks, applications, and cloud; 67 employees, $6.1M revenue, founded 2010, based in Buckingham, UK; recognized for expertise in red teaming, testing, and security consulting, with 28,414 monthly website visits and global rank #1,041,359.

Penetration Testing
Red Teaming
Attack Surface Assessment
+5 more
Cyberis

Cyberis

Infrastructure and Application...
United Kingdom 27 employees

Cyberis is a UK-based cybersecurity consultancy headquartered in Tewkesbury, Gloucestershire; specializes in information security with a focus on penetration testing, incident response, and simulated targeted attacks. The firm is CREST-accredited, demonstrating recognized expertise and compliance in penetration testing services.

Penetration Testing
Red Teaming
Incident Response
+2 more
Surecloud Cyber Services

Surecloud Cyber Services

Infrastructure and Cloud Secur...
United Kingdom 28 employees

Cybersecurity company based in Gloucester, UK; specializes in penetration testing, including infrastructure and cloud security testing, with active vulnerability assessment and attack simulation capabilities.

Penetration Testing
Vulnerability Management
Managed Detection And Response
+4 more
Cyber Defence Ltd

Cyber Defence Ltd

Goal-Driven Penetration Testin...
United Kingdom 5 employees

Cyber Defence Ltd is a UK-based cybersecurity firm specializing in modern security operations, threat intelligence, and penetration testing; offers goal-driven pentest services across diverse environments, supported by CREST accreditation, and operates primarily in the UK and Europe.

Managed SOC
Threat Intelligence
Penetration Testing
+3 more
Nextgen Cyber

Nextgen Cyber

Red Team Simulations
United Kingdom 10 employees

UK-based cybersecurity firm specializing in penetration testing, security assurance, red team simulations, and social engineering tests; located in Barnet, London, with UK registration at Companies House.

Penetration Testing
Security Assurance
Red Team Simulations
+5 more
Hackyde Limited

Hackyde Limited

Network and Application Pentes...
United Kingdom 3 employees

UK-based cybersecurity company specializing in penetration testing; led by professionals with 23+ years of experience; holds CREST and OSCP certifications; based in Birmingham, UK.

Penetration Testing
Red Teaming
Incident Response
+5 more
NormCyber

NormCyber

CREST-Certified Penetration Te...
United Kingdom 72 employees

UK-based cybersecurity firm specializing in CREST-certified penetration testing services; offers active vulnerability identification and remediation through authorized cyber-attack simulations; headquartered in Fareham, England, with a registered office at 8 Barnes Wallis Road.

Penetration Testing
Managed Detection And Response
Incident Response
+5 more
Bulletproof (Cyber Security)

Bulletproof (Cyber Security)

CREST & OSCP Penetration Testi...
Other 121 employees

UK-based private cybersecurity firm with 96 employees (+0.8% YoY growth), $3.0M annual revenue; specializes in penetration testing, data protection, and compliance services; registered at 20 Grosvenor Place, London, and based in Stevenage, Hertfordshire; ranks #1,574,985 globally and #154,108 in the UK; active in cybersecurity & compliance categories including ISO 27001, SOC 2, GDPR, and red team assessments.

Penetration Testing
Cyber Security Training
Compliance Consultancy
+4 more
HexaTrace

HexaTrace

Web & Mobile Application Pente...
Derby, United Kingdom 2 employees

Cybersecurity company based in Derby, UK, founded in 2024 with 2 employees; specializes in security frameworks, threat detection, incident response, and ethical hacking services including penetration testing, web/mobile/app/network/cloud security audits, and social engineering; offers active exploitation and simulated real-world attack testing.

Penetration Testing
Incident Response
Threat Intelligence
+3 more
Pragma

Pragma

Website Security Penetration T...
United Kingdom 11 employees

Cybersecurity company specializing in penetration testing, security testing, and digital forensics; CREST approved provider with $1.5M annual revenue and 2 employees based in the UK, serving high-profile clients with a pragmatic approach to cyber resilience.

Penetration Testing
Cybersecurity Consulting
Regulatory Compliance
+4 more
Mandalorian

Mandalorian

Tailored Enterprise Penetratio...
United Kingdom 2 employees

Cybersecurity company based in Caterham, Surrey, United Kingdom; specializes in enterprise information security consultancy, including penetration testing and incident response; employs 2 people, founded 2005; serves public and private sectors across EMEA and Asia-Pacific.

Enterprise Information Security Consultancy
Penetration Testing
Incident Response
+1 more
NCC Group

NCC Group

Network Penetration Testing
United Kingdom 2358 employees

UK-based IT services and cybersecurity consulting company; specializes in penetration testing, security assessments, and managed security services with 1,161 employees and $412.5M annual revenue. Operates globally with a focus on cyber resilience, responsible business, and sustainability; founded in 1999, market cap GBP 506.6M.

Penetration Testing
Digital Forensics
Incident Response
+4 more
Jumpsec

Jumpsec

Threat-Led Penetration Testing
United Kingdom 25 employees

UK cybersecurity firm Jumpsec Limited offers bespoke consultancy and CREST-certified penetration testing services, including application and threat-led pentests; based in London and Surrey, emphasizing technical excellence and expert-driven approaches.

Penetration Testing
Adversary Simulation
Purple Teaming
+5 more
Prism Infosec

Prism Infosec

Penetration Testing and Red Te...
United Kingdom 28 employees

Cybersecurity firm based in Cheltenham, UK, specializing in penetration testing, red teaming, and GRC services; provides assessments, testing, and response solutions to enhance security posture.

Penetration Testing
Red Teaming
GRC
+5 more
CyPro

CyPro

CREST-Accredited Ethical Penet...
London, United Kingdom 21 employees

CyPro is a UK-based private cybersecurity firm specializing in computer and network security, with 15 employees and 16.7% YoY growth since 2022. It explicitly offers penetration testing services that simulate attacks to uncover vulnerabilities, supporting high-growth companies in scaling their security capabilities and gaining client trust.

Penetration Testing
Virtual CISO
Managed Detection And Response (mdr)
+5 more
Dionach

Dionach

Penetration Testing and Securi...
United Kingdom 52 employees

Cybersecurity firm based in Oxford, UK, specializing in penetration testing and security assessments; CREST-accredited with a comprehensive suite of security services. Part of Nomios; founded in the UK.

Penetration Testing
Security Assessments
Compliance Consulting
+3 more
Cambridge Cyber Advisers

Cambridge Cyber Advisers

Real-World Penetration Testing
United Kingdom 2 employees

UK-based cybersecurity company specializing in penetration testing and red teaming; offers real-world vulnerability assessments and active testing services; headquartered in Cambridge, UK.

Penetration Testing
Red Teaming
Cybersecurity Advisory
+4 more
Reliance Cyber

Reliance Cyber

Comprehensive Penetration Test...
Waterloo, United Kingdom 76 employees

Reliance Cyber is a UK-based IT services and cybersecurity consulting company with 48 employees and $5M-$25M annual revenue; specializes in penetration testing, threat intelligence, incident response, and managed security services, with a focus on safeguarding organizations in the digital landscape.

Penetration Testing
Managed Infrastructure Services
Cyber Engineering
+5 more
CyberCX

CyberCX

Comprehensive Penetration Test...
United Kingdom 1400 employees

UK-based cybersecurity company providing penetration testing, incident response, vulnerability assessments, and governance, risk, and compliance services; explicitly signals UK origin and offers detailed pentest solutions.

Penetration Testing
Incident Response
Vulnerability Assessments
+5 more
Methods

Methods

Internal Infrastructure Pentes...
London, United Kingdom 484 employees

UK-based private IT & Services company specializing in digital transformation and cybersecurity; 313 employees, $148.4M revenue, founded 1990, headquartered in London, UK; provides penetration testing services with active engagements and case studies demonstrating expertise.

Penetration Testing
Vulnerability Assessment
Cyber Resilience
+3 more
ProCheckUp

ProCheckUp

Web Application Penetration Te...
United Kingdom 17 employees

ProCheckUp Ltd is a UK-based cybersecurity firm specializing in penetration testing and security audits; CREST-approved and NCSC CHECK accredited, with headquarters in Portsmouth, England, and registered at 14 St Georges Business Centre, Portsmouth, PO1 3EZ.

Penetration Testing
Security Audits
Compliance
+2 more
Zen Internet

Zen Internet

Vulnerability Assessment and P...
rochdale, United Kingdom 569 employees

UK-based private telecommunications provider founded in 1995; operates one of the largest independent data networks in the UK; offers broadband, hosting, domains, and security services including penetration testing; 372 employees (+5.8% YoY growth); $109.8M annual revenue; $25.8M funding; B Corp certified; headquartered in Rochdale, UK.

Penetration Testing
Vulnerability Assessment
Managed Detection And Response
+5 more
Wilbourne

Wilbourne

Web Application Pentesting
London, United Kingdom 9 employees

Wilbourne is a UK-based cybersecurity consultancy specializing in bespoke attack simulations, GRC, incident response, and training. With 5 employees and founded in 2018, it provides penetration testing services across web, API, and infrastructure domains, and holds CREST accreditation, demonstrating advanced offensive security capabilities.

Penetration Testing
Security Reviews
Incident Response
+2 more
CYSIAM

CYSIAM

Threat-Led Penetration Testing
milton keynes, United Kingdom 42 employees

CYSIAM is a UK-based private cybersecurity firm specializing in threat-led 24/7 Managed Detection and Response (MDR) services; it provides CREST-accredited penetration testing and security consulting, with 29 employees and 13.5% annual growth. The company is trusted by UK public sector organizations and was founded in 2018 in Milton Keynes.

Managed Detection And Response
Cyber Threat Intelligence
Incident Response
+3 more
Periculo

Periculo

Medical Device Penetration Tes...
United Kingdom 13 employees

UK-based IT services and cybersecurity consultancy with 11 employees, founded in 2015; specializes in cybersecurity for digital health including Penetration Testing, Cyber Essentials, ISO 27001, and Medical Device Security; 18.2% monthly growth, 1,720 monthly visits, ranked #8,134,692 globally.

Penetration Testing
Risk Assessments
Incident Response
+5 more
Cyber HQ

Cyber HQ

Network Penetration Testing
United Kingdom 3 employees

Cyber HQ is a cybersecurity consulting company based in the United Kingdom; they provide penetration testing, threat and vulnerability management, security operations, and business resilience services. The firm is registered at 160 City Road, London, with active status and has been operational since at least 2023.

Penetration Testing
Threat And Vulnerability Management
Security Operations
+5 more
Hacker Academy

Hacker Academy

Red Team Operations
United Kingdom 10 employees

Cybersecurity training and consultancy provider with a focus on penetration testing and attack simulations; 5 employees, +25% YoY growth, founded 2017, based in United Kingdom. Operates CyberLabs for real-life cyber-attack simulations, helping organizations improve cybersecurity posture.

Cybersecurity Training And Consultancy
Penetration Testing
Vulnerability Management
+5 more
Cybergen Security

Cybergen Security

CREST-Accredited Penetration T...
United Kingdom 1 employees

UK-based cybersecurity company specializing in CREST-accredited penetration testing services; headquartered in Witney, Oxfordshire, with a focus on security testing and incident response.

Penetration Testing
Incident Response
Threat Intelligence
+5 more
Samurai Digital Security Limited

Samurai Digital Security Limited

Web Application Pentesting
Birmingham, United Kingdom 12 employees

Cybersecurity provider specializing in penetration testing, network intrusion, incident response, and information governance; UK-based with 4 employees, $1M-$5M revenue, founded 2016; NCSC certified, serving government and institutions, with CREST accreditation for penetration testing services.

Penetration Testing
Incident Response
Network Intrusion Detection
+5 more
Digital Insights Consultancy

Digital Insights Consultancy

Infrastructure and Cloud Penet...
Milton Keynes, United Kingdom 5 employees

Cybersecurity company based in Milton Keynes, UK; specializes in penetration testing, incident response, digital forensics, and SOC services; 3 employees with -44.4% YoY growth; founded 2019; offers tailored cybersecurity solutions including infrastructure and cloud pentest services.

Cybersecurity Services Including Penetration Testing
Digital Forensics
Incident Response
+5 more
Acumen Cyber

Acumen Cyber

Comprehensive Penetration Test...
glasgow, United Kingdom 31 employees

Acumen Cyber is a UK-based private cybersecurity firm with 23 employees and +40.9% YoY growth, providing 24/7 security services including MXDR, SaaS, cloud, email, web, DNS security, vCISO, and penetration testing; recognized for security testing capabilities and CREST accreditation.

24/7 Security Operations Centre
Managed Detection And Response (mxdr)
Vciso And Advisory Services
+5 more
Interfuture Security Ltd

Interfuture Security Ltd

Comprehensive Penetration Test...
United Kingdom 3 employees

UK-based cybersecurity firm providing digital security services including penetration testing, managed SOC, incident response, and security assessments; registered at Unit C Kemps Farm Business Park, Balcombe, West Sussex, UK; offers explicit pentest services as indicated on their homepage.

Penetration Testing
Managed SOC
Incident Response
+2 more
Secure Purple

Secure Purple

Web Application Pentesting
Other 17 employees

UK-based cybersecurity and IT consulting company founded in 2020; 9 employees with -26.1% YoY growth; specializes in penetration testing, vulnerability assessments, security audits, incident response, threat hunting, and digital safety training; headquartered in London, UK, with a focus on comprehensive cybersecurity solutions for businesses and startups.

Comprehensive Cybersecurity Services Including Penetration Testing
Web And Mobile Application Security
Cloud And Network Security
+5 more