Find a Pentest Company in Colorado
There are 75 penetration testing companies in Colorado. 91% are small firms (50 or fewer employees) and 9% are larger organizations.
Redbot Security
Cybersecurity company specializing in manual penetration testing across multiple domains; 5 employees, $1M-$5M revenue, founded 2016 in Denver, Colorado, with a niche market focus and a boutique service model.
Artifice Security
Cybersecurity company specializing in penetration testing; veteran-owned firm with 2 employees, founded in 2016, based in Denver, Colorado, USA; provides real-world attack simulations on networks, devices, web apps, infrastructure, and personnel to identify security risks.
Lost Rabbit Labs
Cybersecurity and investigations firm specializing in penetration testing, threat landscape assessments, digital footprint discovery, and asset analysis crawling; founded in 2020, with 2 employees (+20% YoY growth), headquartered in Denver, Colorado, United States.
DirectDefense
Cybersecurity company specializing in penetration testing, enterprise risk assessments, and managed security services; 74 employees, $11.2M revenue, founded 2012, headquartered in Englewood, Colorado, with a focus on security testing and resiliency.
ClearNet Security
Cybersecurity company specializing in penetration testing, security assessments, and breach evaluations; 4 employees with 20% YoY workforce decline, $10.4M annual revenue, founded in 2004, based in Broomfield, Colorado, with over 12 years of experience and nearly 1000 engagements. Known for zero-day vulnerability discoveries and serving clients across banking, legal, healthcare, and financial sectors.
Cypress Data Defense
Cybersecurity company specializing in application and network security; offers penetration testing, vulnerability assessments, secure code reviews, DevSecOps, and cloud reviews; 3 employees with 33.3% YoY growth; headquartered in Denver, Colorado, founded in 2013; 7,363 monthly visits, global rank #3,222,491; active in security training and risk management.
NETRAT Information Security
Cybersecurity company specializing in penetration testing, social engineering, and network security audits; founded in 2023 with 2 employees in Fort Collins, Colorado; focuses on Red-Team operations and ethical hacking to strengthen organizational defenses.
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Mile High Cyber
Cybersecurity company specializing in application penetration testing, risk management, and cybersecurity consulting; 3 employees, founded 2020, based in Colorado Springs, Colorado, with a focus on tailored, affordable security solutions and long-term client relationships.
Rarefied Inc.
Cybersecurity company specializing in penetration testing; 2 employees, founded 2014, based in Boulder, Colorado, with a focus on targeted IT infrastructure security assessments. Web presence includes 2,109 monthly visits and a global rank of #7,121,769; operates in government, web application security, and network security sectors.
CP Cyber
CP Cyber is a private cybersecurity company based in Denver, Colorado, specializing in computer and network security services such as penetration testing, vulnerability assessments, breach recovery, and compliance. Founded in 2017, it has a team of 5 employees with 20% YoY growth, serving clients in healthcare and IT sectors; it maintains a modest web presence with 586 monthly visits and a global rank of #10,120,702.
Root Down Digital
IT Services and IT Consulting company specializing in security, hardware, and advanced coding; provides penetration testing, security assessments, and embedded systems solutions; 3 employees with 50% YoY growth; founded 2014; headquartered in Denver, Colorado.
Digital Silence
Cybersecurity and risk advisory company specializing in penetration testing, security assessments, and adversary simulations; 10 employees, founded 2017, based in Denver, Colorado, with expertise across industries including healthcare, finance, and critical infrastructure.
Exploit Technology
Exploit Technology is a cybersecurity-focused IT services and consulting company specializing in penetration testing and proactive security assessments; founded in 2023, with 2 employees and headquartered in Aurora, Colorado, United States. The firm emphasizes real-world attack simulation to identify and address vulnerabilities.
Rule4
Rule4 is a private IT services and consulting company specializing in cybersecurity and emerging technology advisory; offers penetration testing services including application and API pentests; 13 employees with 17.6% YoY growth; $5M-$25M revenue; founded 2018; headquartered in Boulder, Colorado.
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MainNerve Cybersecurity
Cybersecurity company specializing in penetration testing and compliance solutions; 7 employees, $44.9M revenue, founded 2001, headquartered in Colorado Springs, CO • Focused on manual testing and risk assessment, with a market position at #11,196,752 globally and #3,037,669 in the US, demonstrating a niche leadership in cybersecurity services.
Controllo GRC Supercharged by AI
Controllo GRC Supercharged by AI is a private cybersecurity firm providing GRC automation platform for compliance, risk assessment, and continuous monitoring; 6 employees, founded 2017, based in Denver, Colorado; offers penetration testing services as part of its cybersecurity solutions; $312K annual revenue.
Ravdal
Cybersecurity consulting firm specializing in penetration testing, data security, and risk management; 3 employees with -50% YoY growth; founded 2010; based in Longmont, Colorado, United States.
Information Warfare Center
Information Warfare Center is a Colorado-based private cybersecurity firm specializing in penetration testing, ethical hacking, digital forensics, and cyber warfare training; with 12 employees, 12.5% YoY growth, founded in 2010, and offering EC-Council and Pearson Vue certification services.
ZioSec
Cybersecurity company specializing in AI penetration testing and web app security; 5 employees with 133.3% YoY growth; founded 2024; headquartered in Boulder, Colorado; secured $2.1M in seed funding; provides daily on-demand penetration tests to discover vulnerabilities before code deployment, focusing on AI agent security and compliance.
Alchemy Security, LLC
Cybersecurity company specializing in risk management, managed security services, and Splunk solutions; 18 employees, founded 2007, based in Denver, Colorado; provides penetration testing services that emulate hacker activities to identify vulnerabilities.
Trofi Security
Cybersecurity company specializing in penetration testing, network security, and compliance; founded 2015; based in Lafayette, Colorado with 2 employees; offers virtual CISO, penetration testing, network design, and security consulting services to optimize cybersecurity investments.
Firma IT Solutions
Firma IT Solutions is a private IT and cybersecurity firm based in Denver, Colorado, founded in 2011 with 2 employees. The company specializes in penetration testing, vulnerability assessments, and cybersecurity services for local businesses, offering proactive security testing and pen testing solutions.
Exfil Security
Cybersecurity company specializing in penetration testing and security solutions; 10 employees with 70% YoY growth; headquartered in Denver, Colorado, United States; offers services including pentest, cloud security, and data protection; active online presence with 2,017 monthly visits and global rank #7,429,715.
Red Team Cyber Security®
IT services and consulting company specializing in vulnerability testing and penetration testing; 2 employees with 100% YoY growth; based in Evergreen, Colorado, United States; offers cybersecurity training, risk assessments, and domain name sales.
DevilDog Cybersecurity
Cybersecurity company specializing in turnkey security solutions, vulnerability assessments, pen testing, managed services, compliance audits, and cloud security; 5 employees, founded 2018, based in Denver, Colorado, United States.
Xylok LLC
Cybersecurity company specializing in assessment, compliance, and automation solutions; offers penetration testing via its Xylok Scanner tool, supporting RMF, NIST, and CMMC standards; founded in 2016, 4 employees, headquartered in Colorado Springs, Colorado, with +100% YoY growth.
Capstone Security
Capstone Security is a private higher education firm specializing in information security consulting; it offers penetration testing services, including network penetration tests that analyze risk by exploiting vulnerabilities. Headquartered in Englewood, Colorado, United States, the company has 2 employees and experienced 100% YoY growth.
Uncommon Mercenaries
Cybersecurity firm specializing in AI-powered penetration testing; offers services such as threat hunting, incident response, deception, and security assessments; 5 employees with 50% YoY growth; founded 2018; headquartered in Anywhere, Colorado, United States.
Ironline Security
Cybersecurity consultancy specializing in information security and penetration testing; offers custom, vendor-agnostic solutions including social engineering, vulnerability exploitation, and web application testing; 2 employees; Founded 2014; Denver, Colorado, USA.
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CYBERCECURITY LLC
CyberCecurity LLC is a private cybersecurity company based in Denver, Colorado, with 2 employees. It specializes in managed security services, assessment, mitigation, incident response, and technical testing, including explicit penetration testing services confirmed through website content and client testimonials.
Cyberix, Inc.
Cyberix, Inc. is a private cybersecurity firm based in Aurora, Colorado, founded in 2024 with 4 employees. The company provides advanced cybersecurity, managed IT services, and technology consulting, with core expertise in penetration testing, network security, cloud infrastructure, and compliance solutions, serving organizations of all sizes.
SpyderSec
Cybersecurity company specializing in computer and network security; provides penetration testing services and related cybersecurity solutions. Founded in 2015, headquartered in Denver, Colorado, with 1 employee and 452 monthly website visits.
Intrinsic Cyber Solution & Services LLC
IT Services and IT Consulting company specializing in cybersecurity training, vulnerability assessments, penetration testing, policy development, and cybersecurity investigations; based in Monument, Colorado, United States, with 0 employees, serving both commercial and residential clients.
DirSec
Cybersecurity company based in Louisville, Colorado, United States; specializes in penetration testing services including network, application, and wireless testing to identify vulnerabilities and enhance security.
LeafTech Consulting
Colorado-based IT services provider specializing in managed IT and cybersecurity; offers penetration testing services; headquartered in Centennial, Colorado; founded in 2010; serves small to medium-sized businesses.
Optiv
Cybersecurity consulting firm based in Denver, Colorado; provides penetration testing, vulnerability assessments, and cyber risk management services. Offers manual and automated pentest solutions, including white/grey/black box testing, with ongoing vulnerability exposure programs.
Insight Designs Web Solutions, LLC
Insight Designs Web Solutions, LLC is a private web design and development agency based in Boulder, Colorado, founded in 1999; 10 employees with 15.4% YoY growth and $2.6M revenue. They specialize in WordPress, Shopify, Magento, and BigCommerce, offering website creation, redesign, and maintenance services. The company actively provides penetration testing services, including SQL injection, DoS, cross-site scripting, and man-in-the-middle testing, with dedicated service pages confirming this capability.
The Rysk Group
Cybersecurity consulting firm specializing in penetration testing services; headquartered in Denver, Colorado, United States; offers IT & Cyber Security Consulting with a focus on security assessments and pentest solutions.
Point Solutions Security
Cybersecurity company specializing in computer and network security services; offers penetration testing, governance, risk, and compliance solutions; founded in 2017, based in Denver, Colorado, with 11 employees and 116.7% YoY growth.
Security Pursuit
Cybersecurity company founded in 2011 and based in Denver, Colorado; specializes in penetration testing services to identify vulnerabilities before exploitation.
Valkyries' Information Security
Cybersecurity company based in Pueblo, Colorado, with 6 employees; provides penetration testing, managed security, disaster recovery, private cloud, and incident response services; 206 monthly website visits; active on social media.
Venture Sec
Cybersecurity firm based in Aurora, Colorado, specializing in penetration testing services; explicitly markets attack simulation and vulnerability assessment capabilities.
SimpleFly Tech
IT services and consulting company based in Denver, Colorado, with a focus on secure WiFi networks and cybersecurity; explicitly offers penetration testing services including cybersecurity assessments and active security testing; founded 2015; 1 employee.
Elevate Services Group
Colorado-based IT services company specializing in managed IT support and cybersecurity; offers penetration testing, vulnerability scans, and active security testing to identify vulnerabilities and prevent intrusions.
Todyl
Cybersecurity company specializing in comprehensive network security and offensive security services; explicitly offers penetration testing and active security testing capabilities, with a focus on attack vector documentation and security exercises. Based in Denver, Colorado, USA, with 118 employees (+7.8% YoY growth), $6.5M annual revenue, and $83.8M in total funding.
Blackpoint Cyber
Cybersecurity company specializing in network security, threat neutralization, and managed detection and response (MDR); offers penetration testing services as part of its security solutions; 157 employees (+7.1% YoY growth); $39.8M annual revenue; founded in 2014; headquartered in Denver, Colorado; raised $201.4M in total funding, last round Series C in June 2023; active in threat detection, network visualization, and cyber defense.
XSEC LIMITED
XSEC LIMITED is a cybersecurity-focused IT services and consulting company founded in 2018 and headquartered in Denver, Colorado. It has 1 employee with +100% YoY growth and provides services such as penetration testing, cloud security, software security, and AI-driven security solutions, explicitly offering penetration testing services as part of its assessment offerings.
Allied Cybersecurity
Cybersecurity firm based in Englewood, Colorado, specializing in penetration testing services; explicitly offers attack simulation to identify vulnerabilities, supporting active security testing capabilities.
CSD Cyber
Cybersecurity company based in Colorado Springs, Colorado; specializes in penetration testing and offensive security services, including a 'One-Day Black Box Penetration Test' and Red Team offerings.
Velite
Cybersecurity company specializing in penetration testing, 24/7 monitoring, incident response, and compliance services; headquartered in Silverthorne, Colorado, United States; offers cutting-edge pen testing and security resilience solutions.
L2 Cyber Solutions
Cybersecurity firm headquartered in Greenwood Village, Colorado, United States; specializes in penetration testing and security evaluation services; explicitly listed 'Penetration Testing' in their 2022 Capabilities Statement; provides tailored cybersecurity solutions to businesses.
Cyber Tech Connection
Cyber Tech Connection is a cybersecurity company headquartered in Boulder, Colorado; it provides penetration testing services including simulated cyber attack assessments, external/internal testing, and vulnerability reporting.
Tekkis
Cybersecurity company based in Westminster, Colorado, specializing in penetration testing and ethical hacking services; offers trusted protection for healthcare and veterinary offices, with a focus on professional security testing and cyber-attack simulations.
Linford & Company LLP
Independent external IT auditors specializing in SOC audits, assurance services, and penetration testing; headquartered in Denver, Colorado, with a focus on cybersecurity assessments and compliance.
Cyopsis now Vestige Digital Investigations
Digital forensics, e-discovery, investigations, and cybersecurity services provider; offers active penetration testing including network, web app, Wi-Fi, and external pentesting; $23.4M annual revenue, founded 2004, based in Englewood, Colorado, with 2 employees.
Olivetech
Cybersecurity and managed IT services provider based in Berthoud, Colorado; offers penetration testing, vulnerability assessments, and enterprise-grade cybersecurity solutions for professional service firms in Denver and Northern Colorado.
Lares
Cybersecurity firm specializing in penetration testing and red team assessments; based in Denver, Colorado, with a focus on offensive security services that simulate real-world cyber attacks to identify vulnerabilities.
FocusConnect IT
Cybersecurity company headquartered in Denver, Colorado; provides penetration testing services for vulnerability assessment and security management; serves fast-growing companies with a focus on IT and cybersecurity solutions.
PCG Systems
Colorado-based managed services provider specializing in strategy, technology, and cybersecurity; offers penetration testing among its managed security services, serving clients nationwide from Denver, CO.
TechSkill Nation LLC
Private information services company based in Parker, Colorado, USA; founded in 2017; 2 employees with -33.3% YoY growth. Specializes in cybersecurity consulting, including penetration testing, incident triage, and CISO services, alongside software development, cloud, and infrastructure solutions. Minimal web traffic with 54 monthly visits.
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Point Solutions Group, Llc
Cybersecurity firm headquartered in Denver, Colorado; provides penetration testing and red-team services with a focus on proactive security assessments; confirmed offerings include annual pen tests and simulated attack exercises.
C-4 Solutions
Cybersecurity company based in Colorado Springs, Colorado; provides comprehensive security solutions including penetration testing and security assessments; specializes in attack simulation to identify vulnerabilities in networks, applications, and systems.
DarkOwl
DarkOwl is a darknet data provider and cybersecurity firm based in Denver, Colorado, specializing in darknet, deep web, and high-risk surface web content indexing; it offers darknet intelligence platforms and penetration testing services. With 15 employees and $4.8M annual revenue, it was founded in 2009 and has raised $14.1M in funding. Recent partnerships focus on enhancing darknet intelligence and cybersecurity investigations.
Bluewave Cyberdefense
Cybersecurity firm based in Denver, Colorado, with 2 employees; specializes in MDR, cloud security, incident response, endpoint and network security, IAM, vulnerability management, and penetration testing; focuses on providing SMBs with unified security solutions.
Haden Grey
IT Services and IT Consulting company based in Centennial, Colorado, USA; 14 employees with +64.3% YoY growth; offers penetration testing (PTaaS), network, web app, API, mobile, and cloud security testing services; founded in 2020; 753 monthly website visits.
TopNotchQA
TopNotchQA is a private software development company specializing in quality assurance testing, including penetration testing; based in Boulder, Colorado, with 14 employees, founded in 2015, offering services in security, functional, performance, and accessibility testing, leveraging over 45 years of combined experience.
Esimplicity Technologies
Cybersecurity company headquartered in Broomfield, Colorado; offers risk assessments and penetration testing services to identify vulnerabilities and enhance cybersecurity posture; focuses on affordable IT solutions for construction, finance, and manufacturing industries.
OnPath Testing
IT services and consulting company specializing in quality assurance and security testing, including penetration testing; based in Boulder, Colorado, with 7 employees, $1.4M revenue, founded in 2009, with a focus on customized testing solutions and active security testing capabilities.
Rio Bravo Systems, Inc.
Rio Bravo Systems, Inc. is a private IT services and consulting company headquartered in Englewood, Colorado, with 75 employees and a -9.7% YoY growth. The firm specializes in enterprise IT solutions and cybersecurity, including penetration testing services conducted by certified ethical professionals; it has been in operation for over 20 years with offices in the US and Latin America. The company has a modest web presence, with 1,097 monthly visits and a global rank of #11,404,967, and holds a 4.3/5 employer rating.
ItGuys Team MSP
Managed service provider based in Denver, Colorado; offers on-site IT support, cybersecurity, and penetration testing services including stress-testing and biannual assessments; founded in Colorado with a focus on proactive security solutions.
Dpg Solutions
Cybersecurity firm based in Parker, Colorado; offers penetration testing, vulnerability scanning, and code reviews as part of DevSecOps services, emphasizing active security testing capabilities.
CloudSapio
IT services and consulting company based in Denver, Colorado, specializing in cybersecurity, IT support, and penetration testing; founded 2022; 2 employees; provides certified ethical hacking and penetration testing services, aiming to make technology accessible and secure for businesses.
Radicl
Cybersecurity company based in Boulder, Colorado; provides managed cybersecurity services for regulated industry SMBs; offers Penetration Testing as a Service (PTaaS) supported by 500+ security experts, modernizing pentesting through a community-driven platform.
Propel Technology
IT services and cybersecurity company based in Westminster, Colorado, United States; specializes in penetration testing and security risk assessments, emphasizing active vulnerability identification and cybersecurity consulting.
Deepseas
Cybersecurity company based in Denver, Colorado; provides managed detection and response (MDR) services with a 24/7 team of cyber experts; offers penetration testing (pentest) services through offensive security, emphasizing active attack simulation and vulnerability assessment.