RunSybil
San Francisco, US · Founded 2023 · Delaware corporation · 33 employees on LinkedIn · 3 known investors
RunSybil provides AI-powered active defense and offensive security capabilities for enterprise security teams, automating hacker-level threat detection and response.
Founders & leadership
RunSybil was founded in 2023 by Ari Herbert-Voss and Ariel Herbert-Voss.
Investors · 3
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Reported raises · per SEC filings
Form D private placements$30M disclosed across 1 round · 2026
▶$30MraisedApr 2026 · 5 investors · Other TechnologyRule 506(b)
▶$30MraisedApr 2026 · 5 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Brian ByunDirector
- Ari Herbert-VossExecutive Officer, Director
- Offering amount
- $30M
- Amount sold
- $30M
- First sale
- Jan 2026
- Incorporated
- Corporation, Delaware, 2023
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Competitors · 9
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Frequently asked questions
- What does RunSybil do?
- RunSybil provides AI-powered active defense and offensive security capabilities for enterprise security teams, automating hacker-level threat detection and response.
- Who founded RunSybil?
- RunSybil was founded by Ari Herbert-Voss, Ariel Herbert-Voss in 2023.
- Who are RunSybil's investors?
- RunSybil's investors include Conviction, Menlo Ventures, S32.
- How much funding has RunSybil raised?
- RunSybil has disclosed $30M raised across 1 round.
- Where is RunSybil headquartered?
- RunSybil is headquartered in San Francisco, US.