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Find a Pentest Company in Connecticut

There are 41 penetration testing companies in Connecticut. 85% are small firms (50 or fewer employees) and 15% are larger organizations.

Canaan Technology

Canaan Technology

Cybersecurity Penetration Test...
Norwalk, United States 11 employees

IT services and consulting company specializing in Microsoft 365, cybersecurity, and penetration testing; founded in 2001, based in Norwalk, Connecticut, with 5 employees and $10.8M revenue; offers proactive business IT solutions, 24/7 SOC, and recent $30M stock buyback.

Proactive IT Services
Microsoft 365 Cloud Services
Co-managed IT Services
+5 more
Kairos Vision Consult

Kairos Vision Consult

Network Security
Stamford, United States 25 employees

Cybersecurity and managed security service provider based in Stamford, Connecticut, United States; founded in 2016 with 2 employees and +31.6% YoY growth. Specializes in cybersecurity training, penetration testing, compliance, and risk assessment, with dedicated service pages confirming penetration testing capabilities.

FIMSA Compliance
GDPR Compliance
HIPPA Compliance
+5 more
BCMProfessionals

BCMProfessionals

Cybersecurity Penetration Test...
Milford, United States 3 employees

IT Services and IT Consulting company specializing in cybersecurity, penetration testing, and disaster management; 2 employees, $7.2M revenue, founded 2011 in Milford, Connecticut; SDVOSB with expertise in risk assessment, business continuity, and crisis communications.

Consulting Services
GRC Advisory Services
AI & Analytics
+4 more
Core Networks, Inc.

Core Networks, Inc.

Web Application Penetration Te...
Glastonbury, United States 2 employees

IT services and consulting company specializing in information security; offers penetration testing, forensics, incident response, and security consulting; 2 employees; founded 1991; headquartered in Glastonbury, Connecticut, USA.

Penetration Testing
Forensics And Incident Response
Web Application Penetration Testing
+3 more
Grey Swan LLC

Grey Swan LLC

Network Security
Norwalk, United States 2 employees

Computer and Network Security consulting firm specializing in penetration testing; founded in 2013, based in Norwalk, Connecticut, with 2 employees and +100% YoY growth; offers IT risk assessment, security controls audit, and IP protection services.

Penetration Testing
Security Consulting
Vancord

Vancord

Infrastructure, Cloud, and App...
Milford, United States 42 employees

Vancord is a cybersecurity and IT services provider based in Milford, Connecticut, with 28 employees and -8.7% YoY growth; specializes in incident response, penetration testing, CMMC compliance, and managed security services, serving the Northeast region.

Managed IT Services
Managed Detection & Response (mdr)
Security Program Development (viso)
+5 more
CyberGuard360

CyberGuard360

Internal and External Network ...
Wilton, United States 13 employees

CyberGuard360 is a private cybersecurity and compliance platform company founded in 2016, based in Wilton, Connecticut, USA; specializing in risk assessment, breach prevention, and employee training for SMBs. They explicitly offer penetration testing services, including external and internal pentests and vulnerability assessments, as part of their cybersecurity offerings. The firm employs 8 staff, with a -31.6% YoY growth, and maintains a modest web presence with 544 monthly visits and a global rank of #13,031,662.

Penetration Testing
Vulnerability Assessment
Security Awareness Training
+5 more
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Beazley Security

Beazley Security

Comprehensive Penetration Test...
West Hartford, United States 174 employees

Cybersecurity company specializing in cyber risk management, penetration testing, and incident response; 127 employees (+32.8% YoY growth), $4.1M annual revenue, founded 2016, headquartered in West Hartford, Connecticut. Offers comprehensive penetration testing, digital forensics, breach response, and regulatory compliance services, with a focus on enhancing client cyber resilience.

Penetration Testing
Managed XDR
Attack Surface Management
+5 more
JANUS Associates

JANUS Associates

Advanced Penetration Testing
Stamford, United States 40 employees

IT services and consulting firm specializing in cybersecurity, privacy, and compliance; 12 employees, $5M revenue, founded 1988; Stamford, CT; offers penetration testing, vulnerability assessments, security training, and more; vendor-neutral approach serving diverse sectors.

Vulnerability Risk Assessments
Standard Penetration Testing
Advanced Penetration Testing
+5 more
Absolute Logic: Technology, Cybersecurity & Compliance Solutions

Absolute Logic: Technology, Cybersecurity & Compliance Solutions

Compliance-Focused Penetration...
Wilton, United States 7 employees

IT services and consulting company specializing in cybersecurity, compliance, and managed services; offers penetration testing, risk assessment, and remediation; based in Wilton, Connecticut, with $10M revenue, 6 employees, founded in 1991.

IT Services
Cybersecurity
Compliance Solutions
+5 more
Connecticut Information Security, LLC

Connecticut Information Security, LLC

Web Application Testing
Norwalk, United States 4 employees

Connecticut Information Security, LLC is a cybersecurity company based in Norwalk, Connecticut, founded in 2007, with 4 employees and $21M revenue. They specialize in security risk identification, network protection, and comprehensive security assessments, including penetration testing services across various domains. The firm has experienced 100% YoY growth and offers a full suite of cybersecurity solutions.

Penetration Testing
Security Assessments
IT Security Healthcheck
+3 more
Kyber Security

Kyber Security

Network Penetration Testing
Trumbull, United States 14 employees

Cybersecurity company providing managed IT, penetration testing, vulnerability scans, and compliance services; 8 employees, $5.8M revenue, founded 2017, headquartered in Trumbull, Connecticut, USA.

Penetration Testing
Cybersecurity Services
Compliance Services
+2 more
Resolute Partners

Resolute Partners

Government Network Security Te...
Southington, United States 18 employees

IT Services and Consulting company specializing in network engineering, security, and IoT solutions; offers penetration testing and security audits; 9 employees, $13.6M revenue, founded 1997, Southington, Connecticut, USA.

Advanced Network Engineering
Video Security Services
Energy Management Systems
+5 more
CyberSecOp - Cyber Security Operations Consulting

CyberSecOp - Cyber Security Operations Consulting

Network Penetration Testing
Stamford, United States 20 employees

CyberSecOp is a cybersecurity consulting firm based in Stamford, Connecticut, founded in 2008. It provides cybersecurity services including penetration testing, risk management, and compliance, with 12 employees and $10M annual revenue. The company is ISO 27001 and CMMC-AB RPO certified, supporting information security, audits, and regulation programs.

Penetration Testing
Vulnerability Assessment
Security Consulting
+5 more
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CorCystems Managed IT Services

CorCystems Managed IT Services

Network Security Penetration T...
ridgefield, United States 29 employees

CorCystems Managed IT Services is a Connecticut-based private IT services and consulting company founded in 2000, with 17 employees and $13.1M revenue. It specializes in managed IT solutions, backup & disaster recovery, business phone systems, and explicitly offers penetration testing services for cybersecurity. The company serves clients in Ridgefield and surrounding Connecticut areas, competing with firms like Sify Technologies and Lumen Technologies, and has experienced a slight decline of -3.3% in growth.

Managed IT
Co-managed IT
Cloud Solutions
+5 more
C~sharpe Security Consulting, Llc

C~sharpe Security Consulting, Llc

Network Security Penetration T...
Connecticut 2 employees

Cybersecurity consulting firm based in Shelton, Connecticut, providing penetration testing services; specializes in ethical hacking, security assessments, and compliance; certified CEH team demonstrates expertise in penetration testing and security evaluations.

Penetration Testing
Ethical Hacking
Security Assessments
+5 more
SUND TECHNOLOGIES

SUND TECHNOLOGIES

Vulnerability Assessment and P...
Avon, United States 9 employees

IT services and consulting firm specializing in cybersecurity, penetration testing, vulnerability assessments, and incident response; 5 employees with 12.5% YoY growth; based in Avon, Connecticut, founded in 2000.

Cybersecurity Solutions
Compliance And Risk Management
Infrastructure Management
+5 more
Encompass IT Solutions

Encompass IT Solutions

Network and Application Penetr...
Manchester, United States 11 employees

Encompass IT Solutions is a cybersecurity and IT services provider based in Manchester, Connecticut, founded in 2015 with 7 employees. They specialize in penetration testing, IT help desk support, cloud and managed IT services, and cybersecurity employee education; with over 30 years of experience serving small businesses in Connecticut and New England. The company explicitly offers penetration testing services to identify vulnerabilities across networks, applications, and endpoints.

Penetration Testing
Cybersecurity Services
IT Help Desk Support
+5 more
AS

Audit Serve Inc

Application-Level Penetration ...
Connecticut 2 employees

Cybersecurity consulting firm with 30+ years of experience; headquartered in New Canaan, Connecticut, USA; offers penetration testing, vulnerability assessments, and cybersecurity audits; specializes in AI, Data Governance, IT Governance, and Software Development.

Penetration Testing
Vulnerability Assessment
Cybersecurity Audits
+5 more
Skilled Cyber

Skilled Cyber

Network and Cloud Penetration ...
Killingworth, United States 3 employees

Cybersecurity company providing penetration testing, compliance, and virtual security services for regulated entities; 2 employees with 50% YoY growth, founded in 2007, based in Killingworth, Connecticut, USA.

Virtual Chief Security Officer (vcso)
Regulatory Compliance
Penetration Testing
+3 more
Innovative Network Solutions Corp

Innovative Network Solutions Corp

Network Security Penetration T...
Connecticut 40 employees

Connecticut-based IT company headquartered in Stamford; provides managed IT services and cybersecurity solutions including penetration testing, with satellite locations in Hartford, CT. Known for security assessments and client engagement in cybersecurity.

Managed IT Services
Cyber Security
Penetration Testing
+5 more
Southridge Technology

Southridge Technology

Network Penetration Testing
Connecticut 10 employees

Cybersecurity firm headquartered in Brookfield, Connecticut, providing penetration testing services; offers network penetration testing to evaluate security vulnerabilities, with a focus on proactive security assessment.

Penetration Testing
Cyber Security
Business Continuity
+5 more
Atlantic Data Security, LLC

Atlantic Data Security, LLC

Network Security Penetration T...
East Hartford, United States 64 employees

Cybersecurity company specializing in computer and network security; offers penetration testing, vulnerability assessments, and automated testing; founded 2011, 41 employees, headquartered in East Hartford, Connecticut, USA; rated 4.8/5 by employees.

Penetration Testing
Vulnerability Assessment
Ethical Hacking
+5 more
Charles IT

Charles IT

Network and Infrastructure Pen...
Connecticut 85 employees

Connecticut-based IT services provider specializing in cybersecurity solutions such as penetration testing; operates from Middletown, CT, with additional offices in Stamford; offers managed security services and emphasizes security assessments through dedicated pen testing offerings.

Penetration Testing Management
IT Compliance
IT Security
+5 more
Cyber-Hack Solutions LLC

Cyber-Hack Solutions LLC

Network Security
Connecticut 1 employees

Cyber-Hack Solutions LLC is a cybersecurity firm based in Connecticut, specializing in penetration testing and vulnerability assessments; provides ethical hacking services and security evaluations, with headquarters in Litchfield, CT.

Penetration Testing
Vulnerability Assessments
Ethical Hacking Services
+1 more
Now It Works

Now It Works

Third-Party Penetration Testin...
Connecticut 6 employees

Connecticut-based IT services provider specializing in managed IT support and cybersecurity; offers third-party penetration testing services to identify security vulnerabilities, with over 20 years of local market experience. Headquartered in East Hampton, CT.

Managed IT Services
IT Help Desk
Remote Security
+3 more
Twin Networks

Twin Networks

Network Penetration Testing
Centerbrook, United States 16 employees

IT services and consulting company based in Connecticut, USA; 10 employees with -11.1% YoY growth; offers managed IT, cybersecurity, backup, disaster recovery, and strategic IT leadership; explicitly provides network penetration testing as part of cybersecurity solutions.

Managed IT Services
Co-managed IT Services
Cybersecurity Solutions
+3 more
TruOps

TruOps

Comprehensive Penetration Test...
Connecticut 11 employees

Cybersecurity and GRC platform provider specializing in multi-tenant solutions; offers risk, compliance, third-party management, penetration testing, and vulnerability management for over 100 clients; headquartered in Norwalk, Connecticut, USA.

Risk Management
Compliance Management
Third-party Management
+5 more
ADNET Technologies

ADNET Technologies

Network Penetration Testing
Connecticut 54 employees

Connecticut-based IT company specializing in cybersecurity, cloud, and IT support; offers penetration testing services to identify vulnerabilities and demonstrate attack scenarios. Headquarters in Connecticut, serving CT & NY.

Managed IT Services
Cloud Services
Cybersecurity Services
+5 more
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Vectro It

Vectro It

Network Penetration Testing
Connecticut 6 employees

IT services and cybersecurity provider based in Danbury, Connecticut; offers personalized IT solutions for small businesses, home offices, and enterprises in the tri-state area; provides penetration testing services, including network penetration testing.

Managed Services
Professional Services
Co-managed IT Services
+1 more
SkunkCyber

SkunkCyber

Network Penetration Testing
Connecticut 1 employees

Cybersecurity firm based in Brookfield, Connecticut, specializing in penetration testing services; offers simulated attack assessments to identify vulnerabilities and strengthen defenses, emphasizing cost-effective, enterprise-grade protection.

Network Penetration Testing
Web Application Testing
Wireless Security Testing
+2 more
Decian Inc.

Decian Inc.

Real-World Attack Simulation
Connecticut 14 employees

Connecticut-based enterprise technology solutions provider specializing in cybersecurity, AI-driven development, and managed IT services; offers penetration testing services that simulate real-world attacks to identify vulnerabilities and strengthen defenses.

Managed Services
IT Support
Cybersecurity
+5 more
Connecticut Business Technology Group LLC

Connecticut Business Technology Group LLC

Network Security
Connecticut 5 employees

Connecticut Business Technology Group LLC (CBTG) is a Connecticut-based IT support company founded in 2010, headquartered in Cromwell, CT. They deliver B2B IT support and provide penetration testing services, including vulnerability assessments and manual security testing.

Ongoing Managed Support
Cybersecurity Compliance
Backup And Disaster Recovery
+5 more
Computronix LLC

Computronix LLC

Network Security
Connecticut 80 employees

IT support and cybersecurity company based in Stamford, Connecticut; provides managed IT services, cybersecurity, and penetration testing; emphasizes fast response, quality service, and security testing capabilities.

Managed IT Services
Cybersecurity
Penetration Testing
+5 more
Novus Insight

Novus Insight

Vulnerability Assessment
East Hartford, United States 59 employees

IT services and consulting company specializing in managed IT, cloud hosting, and cybersecurity; provides vulnerability assessments including penetration testing; 45 employees; founded 2017; East Hartford, CT; focuses on public service industries.

Strategic Consulting
Infrastructure Services
Managed IT Services
+3 more
AmaTech Solutions LLC

AmaTech Solutions LLC

Penetration Testing Frameworks
Connecticut 5 employees

Cybersecurity firm headquartered in Guilford, Connecticut; specializes in penetration testing, vulnerability assessments, and cybersecurity consulting; offers open-source pentest frameworks and comprehensive security services.

Penetration Testing
Vulnerability Assessment
Cybersecurity Consulting
+5 more
Pylon Technology

Pylon Technology

Regulatory Compliance Penetrat...
Connecticut 11 employees

Cybersecurity and managed security services provider based in Westport, Connecticut; offers penetration testing, vulnerability assessments, and compliance services for regulated organizations; 17+ years in business, serving 100+ clients, with 2 SOC locations.

Managed Technology And IT Support
Professional Services
Cybersecurity And Compliance
+5 more
Dci Resources, Llc

Dci Resources, Llc

Penetration Testing & Threat A...
Connecticut 11 employees

Connecticut-based cybersecurity firm specializing in penetration testing and threat analysis; headquartered in Hartford, CT, with additional operations in Hamden, CT; offers IT security services including vulnerability assessments and security consulting.

Cybersecurity Solutions
Cloud Services
Data Center Management
+5 more
RC

Rad Computing

Network Penetration Testing
Connecticut 2 employees

IT consulting company based in Vernon, Connecticut; provides personalized IT support, network security, and cloud solutions. Offers penetration testing services such as network penetration tests and port scans, emphasizing its security testing capabilities.

IT Consulting
Personalized IT Support
Network Security
+5 more
Nutmeg Consulting

Nutmeg Consulting

Network Penetration Testing
Connecticut 13 employees

Cybersecurity and IT services company based in Middletown, CT; offers penetration testing and managed IT solutions; headquartered in Middletown, Connecticut, United States.

Penetration Testing
Managed IT Services
IT Consulting
+5 more
Tab Computer Systems, Inc.

Tab Computer Systems, Inc.

Network Security Penetration T...
Connecticut 41 employees

Connecticut-based IT services firm specializing in infrastructure and cybersecurity; explicitly offers penetration testing and vulnerability management services, with headquarters in East Hartford, CT.

IT Services
Compliance Solutions
Cyberattack Risk Assessment
+5 more