RunSybil
RunSybil is a cybersecurity company specializing in Offensive Security, founded in 2023 and headquartered in San Francisco, United States. It has raised $40M in equity across 1 priced round, employs about 37 people, and is privately held.
#8Offensive Security Pacesetter· Q3 2026updated Oct 18, 2026
Latest RunSybil news and company activity
What RunSybil did, dated — selected moves from the record, one per kind, newest first.
- Oct 2026Customer winFurl Closes Deal with RunSybil's AI Security Solution
- Apr 2026RecognitionRunSybil CEO Ari Herbert-Voss to Keynote Black Hat Asia 2026
- Apr 2026Customer winNotion and Thinking Machines added to RunSybil customer logo wall
- Mar 2026Funding roundExclusive: AI cybersecurity startup RunSybil, founded by OpenAI's first security hire, raises $40 million led by Khosla Ventures
RunSybil Momentum score
73/ 100climbing
Mandos Momentum blends hiring, funding, traffic and sentiment into one score out of 100. The score is free; the pillars behind it unlock in the platform.
RunSybil funding
RunSybil has raised $40M in priced equity. Its most recent round was a Seed in March 2026.
- Equity raised
- $40M1 priced round
- Last round
- SeedMar 2026
RunSybil employees and hiring
RunSybil has about 37 employees, up 12% over the last 30 days.
- Employees
- 37
- 30-day change
- +12%
- Open roles
- 0
RunSybil competitors
Security professionals most often compare RunSybil against SafeHill on cybersectools.com. The full competitive set, with overlap scoring, is in the platform.
ranked by CybersecTools comparison demand, 90 days
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RunSybil CISO Score
How RunSybil reads to a CISO buyer: seven dimensions of the Mandos Framework, scored through the eyes of a security buyer.
