Taking the Top Hacker in the US to New Heights: XBOW Raises $75M Series B
xbow.com | blog | #ai-security | #bug-bounty | #pentesting | #agentic-ai | #company-news | #hackerone | #funding
Summary
XBOW raised a $75M Series B led by Altimeter, bringing total funding to $117M, to scale its autonomous pentesting platform after topping HackerOne's US leaderboard.
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--- id: 5183 title: "Taking the Top Hacker in the US to New Heights: XBOW Raises $75M Series B" source_domain: xbow.com source_url: "https://xbow.com/blog/series-b" published_at: "2026-03-20T19:19:07Z" tags: ["ai-security", "bug-bounty", "pentesting", "agentic-ai", "company-news", "hackerone", "funding"] phying_url: "https://phying.com/item/5183" lang: en --- # Taking the Top Hacker in the US to New Heights: XBOW Raises $75M Series B ## Summary XBOW raised a $75M Series B led by Altimeter, bringing total funding to $117M, to scale its autonomous pentesting platform after topping HackerOne's US leaderboard. ## Intelligence Metadata - **Sources:** xbow.com - **Published:** 2026-03-20T19:19:07Z - **Original:** https://xbow.com/blog/series-b - **Phying News:** https://phying.com/item/5183