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RunSybil Secures $40 Millio...

SOLD

RunSybil Secures $40 Million Investment Led By Khosla Ventures In AI Cybersecurity Solution

Building Size

Asset Type

Closing

Mar 18, 2026

AI

RunSybil, an AI cybersecurity startup, has raised $40 million in a funding round led by Khosla Ventures, with participation from S32, the Anthology Fund from Anthropic, Menlo Ventures, Conviction, Elad Gil, and several angel investors including Nikesh Arora, Amit Agarwal, and Jeff Dean. The investment will support RunSybil's efforts in enhancing its cybersecurity solutions, focusing on continuous autonomous penetration testing on live software to identify and exploit vulnerabilities.

Summary of transaction details:

  • Deal Type: Funding Round
  • Transaction Amount: $40,000,000
  • Founders: Ari Herbert-Voss & Vlad Ionescu
  • Headquarters: San Francisco, California
  • Notable Investors: Khosla Ventures, S32, Anthology Fund, Menlo Ventures, Conviction, Elad Gil, Nikesh Arora, Amit Agarwal & Jeff Dean

Founded in 2023, RunSybil aims to embed security testing as a permanent capability within software development, assisting startups, major financial institutions, and Fortune 500 companies in detecting critical flaws that traditional methods often overlook. The company's AI agent, Sybil, automates the process of ethical hacking, thereby contributing to enhanced cybersecurity measures across various sectors.

Players

RunSybil
RunSybilBuyer

Nikesh Arora

RunSybil

Buyer

5 deals

Buyer
RunSybil
RunSybilSeller
RunSybil
RunSybilSeller

Market CRE Market Snapshot

Boundary boundary · CRE · Sale transactions

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Purchase Price

Annual NOI

Loan Amount

Interest Rate (%)

Loan Term (yrs)

Down Payment (%)

Cap Rate

5.80%

Cash-on-Cash

-1.66%

Monthly Payment

$14,164

Annual Debt Svc

$169,964

Annual Cash Flow

$-11,334

DSCR

0.93