A Security
Founded 2025
Offensive security platform running continuous automated attack validation tied to remediation workflows.
Pentesting & Offensive Security
Penetration testing, breach and attack simulation, bug bounty, and offensive security platforms.
26 vendors; newest added 2026-08-08. Ordered by name. No paid placement.
Autonomous AI system that continuously attacks customer environments to validate real attack paths.
Artiphishell
Founded 2025
Autonomous vulnerability discovery technology from the UCSB team that won DARPA's AI Cyber Challenge.
Bishop Fox
Founded 2005
Offensive security firm offering penetration testing, red teaming, and continuous attack surface testing.
BreachLock
Founded 2019
Penetration testing provider combining human-led testing, automated scanning, and attack surface management.
Bugcrowd
Founded 2012
Crowdsourced platform for bug bounty, vulnerability disclosure, pentesting, and attack surface management.
Business Unit Creative SRL
Founded 2024
Italian services firm delivering penetration testing, threat intelligence, and cyber resilience consulting.
Casco
Founded 2025
Automated security testing across web applications, APIs, infrastructure, and AI systems.
Cobalt
Founded 2013
Pentest-as-a-service platform pairing a vetted tester community with workflow and reporting software.
eShard
Founded 2015
Security testing tools and services for chips, embedded hardware, and mobile applications.
HackerOne Inc.
Founded 2012
Platform connecting organizations with security researchers for bug bounties and penetration tests.
Horizon3.ai
Founded 2019
Autonomous penetration testing that exploits and verifies weaknesses in live environments.
Octopwn
Founded 2024
Browser-based toolkit for internal network penetration testing, focused on Windows environments.
Autonomous AI pentesting agents that validate findings with working proof-of-concept exploits.
Pentera
Founded 2015
Automated penetration testing platform continuously validating which attack paths work against an environment.
Plainsea
Founded 2022
Platform for managing and delivering penetration testing engagements.
PlexTrac
Founded 2016
Reporting and workflow platform for penetration testers and red teams to deliver and track findings.
PortSwigger
Founded 2008
Creator of Burp Suite, the widely used toolkit for testing web application security.
Prescient Security
Founded 2018
Penetration testing and compliance audit firm holding CREST certification.
ProjectDiscovery
Founded 2020
Maintains open-source security tools, including Nuclei, for attack surface discovery and testing.
Raxis
Founded 2011
US penetration testing firm delivering manual, human-led tests across networks and applications.
Strike
Founded 2021
Offensive security platform pairing AI-driven attack execution with human expert oversight.
Tenzai
Founded 2025
AI agents that penetration test enterprise software, exploit findings, and guide fixes.
Terra Security
Founded 2024
Continuous penetration testing performed by AI agent swarms under human supervision.
Veria Labs
Founded 2025
AI penetration testing agents built by veterans of a top-ranked US hacking team.
XBOW
Founded 2024
Autonomous AI system performing penetration tests and discovering exploitable vulnerabilities at machine pace.