Superior Pentest
IT services and consulting company specializing in penetration testing, ethical hacking, and IT security training; 7 employees with 12.5% monthly and yearly growth; headquartered in Budapest, Hungary.
Makay Kiberbiztonsági Kft.
Cybersecurity company specializing in penetration testing, threat intelligence, and IT security services; founded in 2017 with 2 employees in Budapest, Hungary. Offers a wide range of security solutions including red teaming, ransomware protection, and data center management.
CyberAudit
CyberAudit is a Hungary-based cybersecurity company specializing in penetration testing services, including external/internal testing, web application testing, PCI compliance, and network segmentation. The company operates in Budapest, Hungary, and offers dedicated testing solutions across multiple cybersecurity domains.
Silent Signal
Computer and network security company specializing in penetration testing and ICT security services; 13 employees; founded 2009; Budapest, Hungary; offers detailed pentest services including IBM i security testing, emphasizing thoroughness and research-driven quality.
RavenForTech
IT services and consulting company specializing in cybersecurity, digital forensics, and penetration testing; 6 employees with 14.3% YoY growth; based in Budapest, Hungary; offers services including incident response, fraud detection, forensic investigations, and vulnerability assessments.
ITSecure Kft
ITSecure Kft is a Hungary-based IT security and consulting company founded in 2002, with 7 employees and +18.2% YoY growth. It specializes in cybersecurity services such as network security, multifactor authentication, security recovery, and vulnerability testing, including dedicated penetration testing services; headquartered in Budapest, Hungary.
CrySyS Lab
Cybersecurity research and consulting firm specializing in cryptography, system security, and ethical hacking; provides penetration testing services and security protocol design; 2 employees, founded 2003, based in Budapest, Hungary.
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PCA Cyber Security
Cybersecurity company specializing in penetration testing, threat intelligence, and monitoring for automotive, financial, energy, and manufacturing sectors; 22 employees (+52.6% YoY growth); founded 2019; headquartered in Budapest, Hungary; offers services including automotive cybersecurity, hardware research, payment systems security, and critical infrastructure security.
Whiteshield Ethical Hacking
Whiteshield Ethical Hacking is a Hungary-based IT services and consulting company specializing in manual penetration testing for web, mobile, and infrastructure security; with 4 employees, $402K annual revenue, and 50% YoY growth, serving clients worldwide from New Zealand to the UK.
Hackrate
Hackrate is an ethical hacking platform providing penetration testing services through a global hacker community; 7 employees, founded in 2020, headquartered in Budapest, Hungary, with $520.1K in total funding and active in cybersecurity risk reduction and vulnerability disclosure.
Gammaorg Zrt.
Cybersecurity company specializing in ethical hacking, penetration testing, and vulnerability assessments; offers Red Teaming and ThreatLed Penetration Testing services, with 10 employees and 14.3% YoY growth; based in Budapest, Hungary.
CCLab
CCLab is a private cybersecurity firm based in Budapest, Hungary, with 21 employees and $12.9M annual revenue. Founded in 2013, it specializes in penetration testing, vulnerability assessments, and cybersecurity evaluation services for complex security environments, including industrial control systems, IoT, and automotive cybersecurity.
OR Security
Cybersecurity company specializing in computer and network security; founded in 2020, based in Budapest, Hungary, with 3 employees. Offers penetration testing services; experienced team with 10+ to 20+ years in the industry; small-scale operation with recent growth fluctuations.
CyEx.hu
Cybersecurity company specializing in proactive cyber services, including penetration testing and AI-based threat intelligence; 3 employees; Founded 2010; Budapest, Hungary.
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QUADRON Analytica & Cybersecurity
IT services and cybersecurity firm based in Budapest, Hungary; 24 employees; founded 2014; specializes in penetration testing, VAPT, cybersecurity assessment, and security operations; serves global clients with a focus on governance, risk, and compliance.
White Hat IT Security
Cybersecurity firm headquartered in Budapest, Hungary, specializing in penetration testing and vulnerability assessments; offers vulnerability assessments, adversary simulation, and related cybersecurity services; based in Budapest, Hungary, with public references confirming location.
Black Cell
Hungary-based IT services and cybersecurity firm specializing in penetration testing, red teaming, adversary simulation, and cloud security; 32 employees with 35.9% YoY growth, founded in 2010, headquartered in Budapest, Hungary. Provides end-to-end cybersecurity assurance through its Fusion Center, with a focus on security operations, compliance, and ICS/OT security.
Allion Labs Europe
Hungary-based cybersecurity consultancy specializing in penetration testing; offers vulnerability scanning, penetration testing, vulnerability reports, and remediation services; registered in Budapest with a focus on European operations.
Socwise
Cybersecurity firm specializing in penetration testing and red teaming; headquartered in Budapest, Hungary, with explicit service offerings in penetration testing and security assessments.
ACPM IT Consulting Ltd.
Hungarian IT services and consulting company specializing in security operations, security analysis, and penetration testing; 12 employees; founded 2015; Budapest-based with global operations; active in penetration testing services and training programs.
Ukatemi Technologies
Cybersecurity company based in Budapest, Hungary, specializing in IT and OT security solutions; provides penetration testing services with a focus on vulnerability detection and security posture assessment; headquartered at 48 Soroksári út, Budapest.
Alpha Machine Kft.
Hungarian IT security company based in Budapest; provides penetration testing, network security assessments, and post-penetration checks; focuses on rapid, flexible, and cost-effective IT solutions for businesses.
Innomatrix Services Ltd.
Cybersecurity and industrial systems provider headquartered in Budapest, Hungary; offers penetration testing and mission-critical environment security solutions; known for expertise in ethical hacking and vulnerability assessments.
Zero IT Lab
Zero IT Lab is a Hungarian IT services and cybersecurity firm founded in 2016 with 8 employees; specializes in penetration testing, red teaming, and reverse engineering to enhance IT security; headquartered in Budapest, Hungary, with 580 monthly website visits.
Kancellar.hu
Hungary-based information security consulting firm specializing in penetration testing, ethical hacking, and security audits; markets itself as Hungary's leading infoSec advisor; offers comprehensive cybersecurity services.
Pr-audit Kft.
Hungarian cybersecurity company based in Budapest; specializes in penetration testing, vulnerability assessments, and security consulting; listed in Hungarian registry with headquarters at 1145 Budapest, Törökőr utca 22; provides comprehensive information security solutions for businesses.
Vendito
Cybersecurity company specializing in vendor- and tool-agnostic IT security engineering; offers penetration testing services; based in Szekszárd, Hungary with 3 employees.
Global Protect Hungary Kft
Hungarian cybersecurity firm specializing in IT security solutions; offers penetration testing, vulnerability assessments, and ethical hacking services to evaluate and improve client security.
Cyber Operations Group
Cyber Operations Group Kft. is a Hungarian cybersecurity firm headquartered in Budapest, providing managed security solutions and penetration testing services; offers ethical hacking, vulnerability assessments, and real-world attack simulations to identify security vulnerabilities.
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Omikron
Hungarian IT solutions provider specializing in security testing and penetration testing; offers ethical hacking and vulnerability testing services, with a focus on assessment, design, and human-centric IT solutions. Based in Budapest, Hungary.
Humanoit Kft
Cybersecurity company headquartered in Budapest, Hungary, providing vulnerability assessment and security testing services; offers vulnerability scanning (Qualys) and continuous security evaluations, demonstrating expertise in vulnerability testing and security solutions.
Verticum Networks Zrt.
Hungary-based cybersecurity firm specializing in penetration testing and security assessments; offers DDoS testing to evaluate defenses and response strategies. Headquarters in Budapest, Hungary, with registration number 01 10 142830.
OmegaSec
Cybersecurity service provider based in Hungary; specializes in offensive security testing including penetration testing, vulnerability assessments, social engineering, phishing, and application security testing; founded in 2022, with 1 employee and experiencing -50% YoY growth. Offers extensive security testing services for private and public sectors.
Spirity Enterprise Cplc
Cybersecurity company based in Budapest, Hungary; specializes in penetration testing, ethical hacking, red- and purple-team exercises; headquartered at Október huszonharmadika utca 8-10, Budapest 1117.
4tress Kft.
IT services and cybersecurity company based in Budapest, Hungary, founded in 2020 with 2 employees; specializes in vulnerability testing, penetration testing, web and mobile app development, and security training; provides formal pentest services and categories including cybersecurity, red teaming, vulnerability assessment, and web security; experienced 50% monthly growth but 25% YoY decline.
Alverad Offensive Security Team
Hungary-based offensive security division of Alverad Kft; provides comprehensive penetration testing and security assessment services including web, mobile, Wi-Fi, API, OSINT, phishing, GPU password cracking, and thick client testing; emphasizes attacker-oriented approach.
SilentSignal
Hungary-based cybersecurity firm specializing in penetration testing and ethical hacking, with headquarters in Budapest; offers AI-powered anonymous employee feedback solutions; provides technical services including pentest, ethical hacking, and cybersecurity consulting.
Silent Signal
Hungarian cybersecurity company headquartered in Budapest; specializes in penetration testing, security assessments, code analysis, vulnerability testing, and social engineering; emphasizes world-class R&D and comprehensive ICT security services.
Nádor Rendszerház Kft.
Hungarian IT security firm based in Budapest; specializes in penetration testing, ethical hacking, and security assessments, including NIS2 compliance; explicitly lists penetration testing services on its website.
KPMG
KPMG is a private professional services firm specializing in accounting, advisory, and cybersecurity solutions; with 47,522 employees, $36 billion in revenue, and headquartered in Budapest, Hungary. The firm explicitly offers penetration testing services, analyzing systems for vulnerabilities as part of its cybersecurity portfolio.
HACKTIFY
HACKTIFY is a Hungary-based IT services and consulting firm specializing in cybersecurity, including penetration testing and bug bounty programs; with 1 employee, founded in 2020, and experiencing 33.3% YoY growth, it offers managed vulnerability testing services connecting businesses with security researchers. The company has 1,402 monthly website visits and a global rank of #7,960,208, operating in the cybersecurity and financial services sectors.
ItInsight
Hungary-based private software development company founded in 2015; specializes in ethical hacking, penetration testing, custom software, and website design; offers quick checkup and in-depth vulnerability reports; operates with a solo team.
FORTIX Consulting
Hungarian business consulting and cybersecurity firm founded in 2011; 18 employees; provides crypto trading platforms and explicit penetration testing services including vulnerability scanning and security assessments.
nConnect
Hungarian cybersecurity and business intelligence solutions provider; offers penetration testing, vulnerability assessments, and architecture consulting to support PCI-DSS certification; based in Hungary with registered office at 79 Kossuth Lajos utca, Csömád.
AKIS Management Ltd.
Hungary-based IT services and consulting company specializing in penetration testing and security assessments; offers explicit ethical hacking and vulnerability testing services, with a focus on IT security solutions. Founded in 2019, headquartered in Budapest, with 1 employee.
HardcoreIT.com
Cybersecurity company headquartered in Budapest, Hungary, specializing in penetration testing and vulnerability assessments; offers targeted security testing for finished projects, emphasizing IT security expertise.
Foursys Consolution Kft.
Hungarian cybersecurity firm specializing in penetration testing and ethical hacking; headquartered in Budapest at Jávorka Adám utca 56; offers security assessments and vulnerability testing services.
Logra
Hungary-based cybersecurity firm specializing in penetration testing; offers vulnerability assessments, network testing, and ethical hacking with over 300 successful audits; headquartered in Pécs, Hungary.
ProMan Consulting Kft.
ProMan Consulting Kft. is a Hungary-based business consulting and services company specializing in organizational development, project management, process automation, and cybersecurity, including penetration testing services; with 7 employees, 25% YoY growth, and an active online presence with 8,921 monthly visits.
Elit Hacker
Cybersecurity firm based in Budapest, Hungary, with over 15 years of experience; specializes in penetration testing, vulnerability assessments, and ethical hacking services; serves domestic and international clients with a team of qualified engineers.
AntiHack.hu
Cybersecurity company based in Budapest, Hungary, specializing in penetration testing and security assessments; offers web vulnerability scans, external and internal penetration tests conducted by ethical hackers; headquartered at 1064 Budapest, Izabella utca 77.
QTICS GROUP
QTICS GROUP is a private business consulting and services company based in Budapest, Hungary, founded in 2021; with 4 employees and a 12.5% YoY workforce decline. The firm offers a broad range of services including cybersecurity, digital simulation, and IoT, and explicitly provides penetration testing and vulnerability testing services aligned with OWASP Top 10 and MITRE ATT&CK frameworks, emphasizing its expertise in security evaluation.
PwC
Private professional services firm with 120,836 employees and $55.4B revenue; based in Budapest, Hungary; offers cybersecurity penetration testing services to identify vulnerabilities through simulated attacks; operates in 149 countries with recent acquisitions to expand capabilities.
Netektív
Hungarian cybersecurity company based in Budapest; provides penetration testing, security audits, and cybersecurity consulting; explicitly references 'Security Testing' and 'ethical hacking' on its website.
Etit [nwpro] Kft.
Hungarian-based IT security company specializing in penetration testing, ethical hacking, and security infrastructure assessments; offers services like attack simulations and infrastructure protection, with a physical address in Nagykanizsa, Hungary.
Danubius It Solutions
Hungary-based cybersecurity firm specializing in penetration testing and red teaming; headquartered in Budapest, Hungary, with a focus on security assessments and testing services.
Aam Consulting
Hungarian consulting firm specializing in information security and international development; offers penetration testing (Pen Testing TLPT) and security risk management services; headquartered in Budapest, Hungary, with over 100 international projects implemented.
AperSky Consulting Llc.
Hungary-based private computer and network security firm founded in 2008 with 4 employees; specializes in penetration testing, PCI DSS compliance, and payment card services, focusing on regional payment market and IT security.
Kryptone
Hungarian cybersecurity and IT solutions company specializing in penetration testing, web development, software development, and training; headquartered in Budapest at Falk Miksa utca 9-11, with a focus on security services.
Nuce
Hungary-based IT security and data protection company; provides penetration testing, GDPR compliance, and cybersecurity consulting services; operates from Veresegyház, Hungary, serving the Hungarian market.
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Top Certifier
Hungary-based certification and consulting firm specializing in ISO standards and penetration testing; operates in Budapest and other Hungarian cities; offers ISO 9001, ISO 14001, ISO 45001, ISO 27001, ISO 22000, ISO 22301 certifications and pentest services, including VAPT certification and network penetration testing.
DOCCA Zrt.
IT services and consulting company based in Budapest, Hungary; 17 employees with 8.3% YoY growth; provides infrastructure management, ticketing, SLA auditing, monitoring, compliance, and penetration testing services; founded in 2000; serves international clients in Central Europe; web presence includes 1,505 monthly visits and a global rank of #9,283,689.
Noventiq Hungary
Hungary-based IT solutions provider; headquarters in Budapest with main office at Fehérvári út 126-128, 1116 Budapest; offers penetration testing services including CREST-certified pentest capabilities, Vulnerability Assessment and Penetration Testing (VAPT), and web security testing.
SecureSpace.ie
Irish IT services and cybersecurity broker specializing in penetration testing, red teaming, and managed detection; 4 employees with 100% YoY growth, founded in 2022, based in Dublin, Ireland, with over 100 projects completed securing 50,000+ endpoints.
100% Security Labs
IT services and consulting company specializing in cybersecurity and compliance; provides penetration testing, web and mobile app testing, cybersecurity consulting, and risk management; 2 employees, founded 2017, Dublin, Ireland.
Vertical Structure (Acquired by Instil)
Cybersecurity company specializing in security and penetration testing; founded in 2006, based in Belfast, Ireland, with 3 employees. Offers human-based penetration testing, security consulting, and training, including CREST & CHECK, ISO27001, and Cyber Essentials. Focuses on a human-centric approach to cybersecurity with a small team and niche market presence.
Pentestco
Pentestco is a private Irish technology firm founded in 2016, with 2 employees, specializing in online penetration testing and website security assessments. It provides black box penetration testing, vulnerability scanning, and detailed security reports to help businesses mitigate website security risks.
FORUS-P Cyber Security
Cybersecurity company specializing in penetration testing, vulnerability scans, and security audits for web applications; founded in 1991, based in Ireland, with 8 employees. Known for serving webshop owners, developers, and e-commerce trustmarks like Thuiswinkel.org.
agoa-ltd
Cybersecurity consultancy specializing in penetration testing services; based in Swords, Ireland, founded in 2017, publicly listed, with a focus on network and computer security.
247 CyberLabs
Cybersecurity and compliance consulting firm based in Dublin, Ireland; specializes in penetration testing, PCI DSS, ISO 27001, and vulnerability management; 2 employees with 100% monthly growth and 33.3% YoY decline; founded 2014; website: https://www.247cyberlabs.com.
Edgescan
Cybersecurity company specializing in penetration testing, vulnerability management, and attack surface management; 72 employees, $10M revenue, founded 2011 in Dublin, Ireland; $13.6M funding; offers a unified platform for continuous security testing and PTaaS, with active market presence and recent security research publications.
Cycubix LTD
Cybersecurity company specializing in penetration testing and security consultancy; provides technical penetration testing services, vulnerability assessments, and security training in Ireland and online; founded 2011, headquartered in Ireland, with 2 employees. Focuses on business application security and offers a range of information security services.
CommSec Cyber Security
Irish cybersecurity company providing penetration testing, security assessments, and SOC as a service; 15 employees, founded 2013, headquartered in Blanchardstown, Dublin, Ireland; focuses on resilience, compliance, and risk reduction for organizations.
WhatsExposed
IT Services and IT Consulting company specializing in cybersecurity; offers penetration testing, vulnerability assessments, and remediation workflows; founded 2022, 13 employees, Ireland-based, +137.5% YoY growth.
Threatscape
Threatscape is a private cybersecurity firm specializing in penetration testing and IT security services; with 29 employees, founded in 2010, headquartered in Dublin, Ireland, and serving enterprise clients globally. The company explicitly markets external and internal penetration testing, web app security assessments, and cloud penetration testing, confirming its focus on cybersecurity.
VMGroup
IT Services and IT Consulting company based in Ireland; specializes in cybersecurity, digital forensics, electronic discovery, and IT audits; offers penetration testing services; 10 employees with 17.6% YoY growth; founded in 2014; uses advanced forensic technology.
Cyber Security Ireland (CSI) - for OT/ICS
Private cybersecurity firm specializing in OT/ICS security; offers penetration testing and risk analysis services; founded 2022; based in Dublin, Ireland; 3 employees with +300% YoY growth.
Secora Consulting Ltd
Cybersecurity company specializing in penetration testing and risk mitigation; CREST-accredited with 7 employees, founded in 2018, headquartered in Stranorlar, Ireland; offers comprehensive pentest services including web, API, network, mobile, cloud, and IoT assessments, with a global rank of #10,030,139 and 983 monthly website visits.
Penteor
Cybersecurity consulting firm specializing in penetration testing, red teaming, and adversary simulations; 11 employees; Founded 2005; Dublin, Ireland; Serves banking, energy, healthcare, government, retail, and education sectors.
Cyrex
Cyrex is a private IT services and cybersecurity company based in Dublin, Ireland, founded in 2015. It employs 17 staff (+11.8% YoY growth) and specializes in security solutions including penetration testing, application security, web3 security, smart contract audits, network audits, and load testing, leveraging proprietary technology. Recognized as a global leader in cybersecurity and game development support, it serves clients worldwide with a focus on security and development services; 17 employees, private, founded 2015, Dublin HQ.
PsyberX
IT services and consulting firm specializing in cybersecurity; provides web application, API, infrastructure penetration testing, and social engineering testing; 3 employees; founded 2024; Dublin, Ireland.
Eolas Technologies
IT services and consulting company based in Dublin, Ireland; specializes in managed IT, cybersecurity, network infrastructure, cloud services, and penetration testing; 3 employees, $146.8K revenue, founded 2010, with a focus on security and IT management.
Tenendo
Tenendo is a private Irish-based IT & Services company specializing in penetration testing services, including application and infrastructure pentests; with 4 employees, founded in 2020, and a focus on security testing and threat intelligence.
BH Consulting
Irish-based IT services and cybersecurity consulting firm; specializes in penetration testing, risk management, GDPR, and incident response with 19 employees and $1M-$5M revenue. Founded in 2004, it provides market-leading security services and is recognized for its expertise in real-world attack simulations and data protection.
SECUREISM
Cybersecurity company specializing in security assessment, penetration testing, and system hardening; 41 employees with 54.3% YoY growth; founded 2018; based in Dublin, Ireland; expertise includes vulnerability assessments, security audits, and compliance with ISO/IEC standards.
Smarttech247
Cybersecurity company specializing in managed detection and response, penetration testing, and threat management; headquartered in Cork, Ireland, with 110 employees, founded in 2003, and $1.7M in funding; offers VisionX MDR platform and serves healthcare, fintech, government sectors.
Cyber Security (NI) Ltd
Cyber Security (NI) Ltd is a Belfast-based private cybersecurity firm founded in 2017, with 2 employees. It specializes in managed detection and response (MDR), SIEM management, penetration testing, vulnerability assessments, and advanced security services, providing 24/7 threat monitoring, real-time detection, and rapid incident response. The company is committed to protecting data, organizations, and reputation within Ireland.
zSecurity
Cybersecurity company specializing in ethical hacking, penetration testing, and security training; offers manual pentesting services via dedicated webpage; based in Dublin, Ireland with 11 employees, founded in 2017, and focuses on educating about black-hat hacking methods and system security.
Integrity360
Integrity360 is a private Irish-based cybersecurity and IT consulting company with 237 employees, $146.8M revenue, founded in 2005. It is Ireland's largest cybersecurity specialist and offers comprehensive penetration testing services, including infrastructure, web app, API, mobile, Wi-Fi, IoT, cloud, AD, and segmentation testing, along with PTaaS. The firm operates across Europe, Africa, and the Caribbean, and has recently acquired Redshift Cyber Security and Holiseum. It ranks #779,785 globally and #165,814 in its country, with a focus on helping organizations grow securely.
Rits Information Security
Irish IT services and consulting firm specializing in information security and penetration testing; 4 employees, founded 1990, headquartered in Dublin, Ireland; emphasizes vendor independence and technical excellence in security consulting.
Sentrix
IT services and consulting company based in Dublin, Ireland, with 9 employees; specializes in cybersecurity including penetration testing and Red Team Attack Simulation as part of its security assessments; experienced 366.7% monthly workforce growth.
Responsered
Embedded software products company founded in 2025; based in Dublin, Ireland; offers penetration testing (pentest) services; 2 employees with +100% monthly growth.
Pure Networks
Irish-based IT services and consulting company specializing in cybersecurity; offers autonomous penetration testing via Horizon3.ai’s NodeZero platform, with 5 employees and +33.3% YoY growth • 11-50 employees; IT Services/Cybersecurity; Founded in Dublin, Ireland; Website: https://www.purenetworks.ie
Enterprise Defence - (Award Winning Cyber Security Specialists)
Cybersecurity company specializing in penetration testing, vulnerability management, and SOC services; 12 employees with 87.5% YoY growth, founded 2015, headquartered in Sligo, Ireland. Recognized for award-winning cybersecurity solutions and active in the global market with 1,723 monthly website visits.
GuardYoo
GuardYoo is a cybersecurity firm specializing in automated data collection and analysis for cybercrime investigations; it provides penetration testing services as confirmed by press releases and partnerships, and is based in Cork, Ireland. Founded in 2018, it employs 2 people.
IT Security People
IT Security People is a private Irish-based computer and network security firm with 4 employees, specializing in IT security audits, risk management, digital forensics, and penetration testing. They are ISO 27001 certified and serve the Irish market, focusing on cybersecurity threat mitigation and compliance.
Techsearch
Irish IT services and consulting company specializing in quality assurance, software testing, and security testing including penetration testing; 3 employees, founded 2015, headquartered in Ireland, with rapid 50% monthly growth and a broad service portfolio.
Ergo
IT services and consulting company based in Dublin, Ireland; 420 employees, $214.4M revenue; offers IT solutions, managed services, cloud, security, and penetration testing; founded 1993; recognized as a leading provider in Ireland.
Savenet
Irish-based IT managed services provider specializing in cloud, security, and compliance solutions; explicitly offers penetration testing services as part of their cybersecurity offerings; headquartered in Dublin, Ireland.
HCS
IT services and consulting company based in Dublin, Ireland; 56 employees; founded 1994; specializes in security, support, and transformation; Fortinet Expert partner, Microsoft Gold, Dell partnerships; ISO27001 certified; provides penetration testing services including external IP pen testing.