---
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