Fundz

Armadin Raises $189.9 Million in Seed and Series A Funding Led by Accel to Enhance Its AI-Powered Cybersecurity Platform.

PRIVATEMar 11, 2026

Amount Raised

$190 Million

Round Type

Series A

Menlo ParkArtificial IntelligenceSecurityCyber SecurityMachine LearningNetwork Security

Investors

GVBallistic VenturesAccelKleiner PerkinsMenlo Ventures8VCIn Q Tel

Description

Armadin, a San Francisco-based AI-native cybersecurity company, has successfully raised $189.9 million in a combined Seed and Series A funding round. This financing will be utilized to develop and scale their advanced cybersecurity platform. The investment round was led by Accel, with participation from other notable investors including Google Ventures and Kleiner Perkins. The funding is geared towards enhancing their defenses against AI-driven cyber threats.

Quick answer

Armadin raised $190 Million in a Series A round, dated March 11, 2026. Investors: GV, Ballistic Ventures, Accel, Kleiner Perkins, Menlo Ventures, 8VC and In Q Tel. Armadin is based in Menlo Park, California, United States.

How much did Armadin raise?
Armadin raised $190 Million in a Series A round on March 11, 2026.
Who invested in Armadin?
GV, Ballistic Ventures, Accel, Kleiner Perkins, Menlo Ventures, 8VC and In Q Tel are named as investors in this round.
What does Armadin do?
Armadin is a cybersecurity company building an AI-native platform designed to defend organizations against next-generation AI-powered cyber threats.
Where is Armadin based and how big is it?
Armadin is based in Menlo Park, California, United States. Fundz records about 154 employees.
Who are the decision-makers at Armadin?
Fundz holds 1 contact at Armadin, including the Head of Talent. Names and contact details are shown to Fundz members.

Source: Fundz verified event record.

Who else raised in Security and Cyber Security around the same time

Companies in the same sectors as Armadin that raised within 45 days of this round, from Fundz verified event records.

  • Reclaim Security raised $20M (Series A) on March 4, 2026.
  • Astelia raised $35M (Seed) on February 24, 2026.
  • Rilian raised $18M (Seed) on April 23, 2026.
  • Artemis Global Technologies raised $70M (Series A) on April 17, 2026.
  • ProValley raised an undisclosed amount (Seed) on April 10, 2026.
  • TENEX.AI raised $250M (Series B) on March 31, 2026.

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Company Information

Company

Armadin

Location

Menlo Park, California, United States

About

Armadin is a cybersecurity company building an AI-native platform designed to defend organizations against next-generation AI-powered cyber threats. The company focuses on developing autonomous offensive security systems that simulate advanced threat actors to identify exploitable vulnerabilities before attackers do. Armadin’s platform uses an 'agentic attacker swarm,' a network of specialized AI agents that continuously analyze, plan, and execute simulated attacks to test enterprise security defenses at machine speed.

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Related People

1 contact
Verified contactsTyler K., Head of TalentSee plans and pricing
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Funding Insights

What this usually means
Typical timeline to Series B
Series A companies typically raise their next round in 10-18 months

Armadin raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

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