Mandiant’s founder just raised $190M for his autonomous AI agent security startup

Published: (March 10, 2026 at 02:21 PM EDT)
3 min read
Source: TechCrunch

Source: TechCrunch

Funding Round

Kevin Mandia, the founder of the cybersecurity startup Mandiant (sold to Google for $5.4 billion in 2022), has launched a new AI‑native cybersecurity startup called Armadin. The company has raised $189.9 million in combined seed and Series A funding, led by Accel with participation from GV, Kleiner Perkins, Menlo Ventures, 8VC, Ballistic Ventures, and the CIA’s venture arm In‑Q‑Tel. Armadin says this is a record amount for a security startup at such an early stage, though the valuation has not been disclosed.

Comparison with Other Security Startups

While other security companies have raised similarly large Series A rounds, Armadin appears to be the first to secure a record‑breaking amount out of the gate. For context:

  • In 2019, password‑management company 1Password raised $200 million in a Series A round, but it was already 14 years old at the time.
  • OneTrust, a privacy‑compliance startup, also raised $200 million in a Series A round in 2019, after three years of operation and while already in growth mode.

These examples illustrate that Armadin’s funding is notable given the company’s nascent stage.

Founder Background

Before founding Armadin, Kevin Mandia was a venture‑capitalist at Ballistic Ventures, the security‑focused fund co‑founded by veteran security VC Ted Schlein (formerly of Kleiner Perkins). Mandia is an internationally recognized security expert and the original founder of Mandiant (established in 2004).

Product Vision

Mandia founded Armadin to build autonomous cybersecurity agents—software that can learn and respond to threats without human intervention. In an interview with CNBC, he warned that autonomous AI hackers are on the horizon and should be feared. Security researchers and government agencies have echoed these concerns, noting that AI is already lowering the barrier to launching sophisticated attacks.

“When you have AI on offense, what you are going to get is a technology that can think, can learn, can adapt,” Mandia said, adding that attackers could complete attacks in minutes that previously took days.

Armadin’s goal is to equip white‑hat security experts with automated agents, enabling them to field “agentic armies” against AI‑powered attacks launched by black‑hat actors.

Team

  • Travis Lanham – former Google Cloud Security principal engineer
  • Evan Peña – former Mandiant executive
  • David Slater – former Google SecOps engineer

Sources

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