XBOW
Autonomous Offensive Security Platform
Seattle, United States · Founded 2024 · $270.0M raised
- Headquarters
- Seattle, Washington
- Employees
- 51–200
- Founded
- 2024
- Business Model
- B2B
- Website
- xbow.com
- Total Funding
- $270.0M
- Last Round
- $35.0M Extension RoundMay 2026
- Rounds
- 5
About
XBOW is an autonomous offensive security platform that independently discovers and exploits vulnerabilities in web applications without human direction. Built by the creators of GitHub Copilot and GitHub Advanced Security, XBOW has passed 75% of industry-standard penetration testing benchmarks and 85% of novel challenges at machine speed. It validates every finding through real exploitation — not theoretical risk — freeing security teams to focus on remediation and judgment.
Summary
XBOW is an Artificial Intelligence company based in Seattle, United States, founded in 2024. It has raised $270.0M in total across 5 rounds, most recently a $35.0M Extension Round round in May 2026. Investors include Altimeter Capital and Sequoia Capital.
Tech & App Stack
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Funding History
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May 2026
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Seed through Extension Round — per-round amounts, valuations, and who invested in each round.
Investors
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