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Top 21 Vulnerability Testing startups
Jul 08, 2025 | By Fernando Lopez | 11 |
These startups develop software for penetration testing, identifying system weaknesses, assessing security risks and managing vulnerabilities.
1
Country: USA | Funding: $565.4M
Tenable helps organizations to understand and reduce their cybersecurity risk across the full range of modern computing assets.
Tenable helps organizations to understand and reduce their cybersecurity risk across the full range of modern computing assets.
2
Country: USA | Funding: $500M
NetSPI is a cybersecurity company that offers enterprise security testing and attack surface management services.
NetSPI is a cybersecurity company that offers enterprise security testing and attack surface management services.
3
Country: USA | Funding: $350.5M
Rapid7 is a cybersecurity company that helps organizations detect and respond to security threats effectively.
Rapid7 is a cybersecurity company that helps organizations detect and respond to security threats effectively.
4
Country: USA | Funding: $249.5M
Pentera is the market leader in Automated Security Validation
Pentera is the market leader in Automated Security Validation
5
Country: USA | Funding: $230.7M
Bugcrowd harnesses the power of a global community of security researchers to surface critical software vulnerabilities.
Bugcrowd harnesses the power of a global community of security researchers to surface critical software vulnerabilities.
6
Country: USA | Funding: $178.5M
Horizon3.ai develops NodeZero which provides an autonomous penetration testing solution that helps customers find and fix attack vectors.
Horizon3.ai develops NodeZero which provides an autonomous penetration testing solution that helps customers find and fix attack vectors.
7
Country: USA | Funding: $159.4M
HackerOne is a powered security platform that connects businesses with penetration testers and cybersecurity researchers.
HackerOne is a powered security platform that connects businesses with penetration testers and cybersecurity researchers.
8
Country: USA | Funding: $151.5M
Horizon3.ai offers an autonomous penetration testing platform that helps organizations proactively find and fix security vulnerabilities.
Horizon3.ai offers an autonomous penetration testing platform that helps organizations proactively find and fix security vulnerabilities.
9
Country: USA | Funding: $107.6M
Synack is a crowdsourced security platform that utilizes augmented intelligence to discover and secure vulnerable applications.
Synack is a crowdsourced security platform that utilizes augmented intelligence to discover and secure vulnerable applications.
10
Country: USA | Funding: $59.2M
Vicarius develops an autonomous vulnerability remediation platform to protect organizations from the next major supply-chain attack.
Vicarius develops an autonomous vulnerability remediation platform to protect organizations from the next major supply-chain attack.
11
Country: France | Funding: $56.7M
Filigran is a cybersecurity company that develops an open-source threat intelligence management platform.
Filigran is a cybersecurity company that develops an open-source threat intelligence management platform.
12
Country: Sweden | Funding: $42M
Detectify sets the standard for External Attack Surface Management (EASM), providing 99.7% accurate vulnerability assessments.
Detectify sets the standard for External Attack Surface Management (EASM), providing 99.7% accurate vulnerability assessments.
13
Country: USA | Funding: $37M
Cobalt is a PTaaS platform that transforms traditional pentesting into a data-driven vulnerability management engine.
Cobalt is a PTaaS platform that transforms traditional pentesting into a data-driven vulnerability management engine.
14
Country: USA | Funding: $34M
Qualys is the pioneer and leading provider of information security and compliance cloud solutions.
Qualys is the pioneer and leading provider of information security and compliance cloud solutions.
15
Country: Belgium | Funding: €25.3M
Intigriti enables clients to launch managed security testing at scale and accurately assess risk to prioritize remediation.
Intigriti enables clients to launch managed security testing at scale and accurately assess risk to prioritize remediation.
16
Country: Ireland | Funding: $13.6M
One platform. Five full-featued Solutions | Hybrid solution providing automated vulnerability intelligence with validation done by humans.
One platform. Five full-featued Solutions | Hybrid solution providing automated vulnerability intelligence with validation done by humans.
17
Country: UK | Funding: £5.5M
Onsecurity is an offensive security company that offers pentesting, vulnerability scanning and threat intelligence, all on one platform.
Onsecurity is an offensive security company that offers pentesting, vulnerability scanning and threat intelligence, all on one platform.
18
Country: USA | Funding: $3.1M
Pen Testing as A Service (PTaaS) | World's first full stack PTaaS powered by Certified Hackers and AI
Pen Testing as A Service (PTaaS) | World's first full stack PTaaS powered by Certified Hackers and AI
19
Country: UK | Funding: £915K
Intruder is a cloud-based vulnerability scanner that finds cyber security weaknesses in your external infrastructure.
Intruder is a cloud-based vulnerability scanner that finds cyber security weaknesses in your external infrastructure.
20
Country: UK
Pentest People are a boutique security consultancy focussing on bringing the benefits of Pentesting as a Service (PTaaS) to all its clients.
Pentest People are a boutique security consultancy focussing on bringing the benefits of Pentesting as a Service (PTaaS) to all its clients.
