How much did Method Security raise in its Series A?

Method Security raised $21.5M in a Series A announced on 19 November 2025.

Who invested in Method Security's Series A?

The round was led by Andreessen Horowitz, General Catalyst, Aaron Levie, Blackstone Innovations Investments, Crossbeam Ventures, Forward Deployed Venture Capital, Frederic Kerrest, NFDG Ventures, Pax Ventures, Phil Venables, Ryan Noon, WndrCo.

What does Method Security do?

Method Security is a cybersecurity company specializing in Attack Surface, founded in 2023 and headquartered in New York City, United States.

Funding record · 2025 / 11

Method Security raises $21.5M Series A for attack surface

Announced 19 November 2025 · Recorded 8 September 2026 · Last verified 8 September 2026

Method Security, an attack surface company based in New York City, United States, raised $21.5M in a Series A announced on 19 November 2025, led by Andreessen Horowitz, General Catalyst and Aaron Levie with 9 others. Its disclosed equity funding is now $26M across 2 rounds.

Amount: $21.5M
Round: Series A
Announced: 19 November 2025
Lead investors: Andreessen Horowitz, General Catalyst, Aaron Levie, Blackstone Innovations Investments, Crossbeam Ventures, Forward Deployed Venture Capital, Frederic Kerrest, NFDG Ventures, Pax Ventures, Phil Venables, Ryan Noon, WndrCo
Sources on record: 1prnewswire.com

From the source

Method Security Raises $26 Million to Build Autonomous Systems for American Cyber Resilience

Method Security announced $26 million in combined Seed and Series A funding to accelerate deployment of its autonomous cyber defense platform for U.S. critical institutions. General Catalyst is among the lead investors.

prnewswire.com · 19 November 2025 ↗

The Mandos read

What the record says about Method Security

Momentum 41 / 100 · Coolinglocked →
pillars in the platform
24 employees · up 14% last monthlocked →
history and breakdowns in the platform
Exit Readiness: Lowlocked →
Tested against 751 past exits in the Mandos record: 43% sat in Watch or Elevated 2 years before. Companies in Elevated exited at 3.1× the record's rate.

Funding history

Method Security funding on record

Method Security has raised $26M in priced equity. Its most recent round was a Series A in November 2025.

Latest round on record: Series A, Nov 2025.

Method Security funding on the profile →

In the platform

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Every round, investor and correction for Method Security, the competitors buyers weigh it against, hiring by department, and an alert when the next thing happens.

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FAQ

Questions people ask

How much did Method Security raise in its Series A?: Method Security raised $21.5M in a Series A announced on 19 November 2025.
Who invested in Method Security's Series A?: The round was led by Andreessen Horowitz, General Catalyst, Aaron Levie, Blackstone Innovations Investments, Crossbeam Ventures, Forward Deployed Venture Capital, Frederic Kerrest, NFDG Ventures, Pax Ventures, Phil Venables, Ryan Noon, WndrCo.
What does Method Security do?: Method Security is a cybersecurity company specializing in Attack Surface, founded in 2023 and headquartered in New York City, United States.