Leadership
The team hacking together for decades, now joined by some of the most accomplished operators in the market today. Proven expertise. Practiced craft.
Backed by world-class investors
Tenzai raised a record seed round in cybersecurity history. Backed by world-class investors Greylock Partners, Battery Ventures, and Lux Capital, with Asheem Chandna (Greylock) and Scott Tobin (Battery) on the board.
Asheem Chandna
One of the most influential cybersecurity investors of the last two decades. Joined Greylock in 2003 and has led investments across the most consequential enterprise security companies in market.
Scott Tobin
General Partner at Battery Ventures, where he has led enterprise security investing for more than two decades. One of the longest-tenured cybersecurity investors in the industry.
News and updates about the AI hacker
Featured announcements, recent press coverage, and downloadable assets for journalists, analysts, and partners.
Markus Alliance achieves 5x penetration testing efficiency with Tenzai
Markus Alliance transformed its penetration testing services with Tenzai, adopting a hybrid AI and human workflow that dramatically accelerated the execution of testing tasks, surfaced more critical findings, and doubled the team's capacity for client engagements.
GLM-5.2 Is the Most Cost-Efficient Cyber Model We've Tested. It's Also Not #1.
Z.ai's new model exploits 67% of planted vulnerabilities at $1.13 per lead — the most efficient configuration we've tested. GPT-5.5 and Opus-4.8 beat it. But only when you pay for it.
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Tenzai Hits #1 on HackerOne - In Under 90 Days
We gave the Tenzai AI hacker a HackerOne account and let it run. In under 90 days — our first full quarter on the platform — it reached #1 among all AI security companies, with findings ranging from a new CVE to a one-click RCE chain to database access covering trillions of records. Here's what it found, and what we learned.
