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Legion Security raises $30 million in Series A funding led by Coatue, with participation from Accel and Picture Capital, to enhance its AI-driven security operations.

PRIVATEJul 30, 2025

Amount Raised

$30 Million

Round Type

Series A

New YorkArtificial IntelligenceSecurityCyber SecurityNetwork Security

Investors

CrowdstrikeAccelPicture CapitalWizGoogleCoatue

Description

Cybersecurity startup Legion Security has raised $30 million in a Series A funding round led by Coatue, with participation from Accel and Picture Capital, along with senior angel investors from Wiz, Google, and CrowdStrike. This funding aims to develop an AI SOC companion that automates security processes. The company has now raised a total of $38 million since its founding. The previous round was an $8 million Seed raise last year.

Quick answer

Legion Security raised $30 Million in a Series A round, dated July 30, 2025. Investors: Crowdstrike, Accel, Picture Capital, Wiz, Google and Coatue. Legion Security is based in New York, New York, United States.

How much did Legion Security raise?
Legion Security raised $30 Million in a Series A round on July 30, 2025.
Who invested in Legion Security?
Crowdstrike, Accel, Picture Capital, Wiz, Google and Coatue are named as investors in this round.
What does Legion Security do?
Legion introduces a browser extension AI SOC companion that turns in-house expertise into scalable automation.
Where is Legion Security based and how big is it?
Legion Security is based in New York, New York, United States.
Who are the decision-makers at Legion Security?
Fundz holds 1 contact at Legion Security. 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 Legion Security that raised within 45 days of this round, from Fundz verified event records.

  • TENEX.AI raised $27M (Series A) on September 11, 2025.
  • InnerActiv raised an undisclosed amount (Funding Round) on August 29, 2025.
  • Reach Security raised $10M on July 29, 2025.
  • Starseer raised $2M (Seed) on July 23, 2025.
  • Daylight Security raised $7M (Seed) on July 22, 2025.
  • Empirical Security raised $12M (Seed) on July 17, 2025.

Who to call at Legion Security, and when

A new round usually means Legion Security is about to hire and buy. The teams that reach out first get the meeting.

  • An alert the day Legion Security raises, hires an executive or expands, scored against what you sell
  • The decision-makers there, with verified emails
  • Who you already know at Legion Security, from your own LinkedIn network

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Company Information

Company

Legion Security

Location

New York, New York, United States

About

Legion introduces a browser extension AI SOC companion that turns in-house expertise into scalable automation. It trains within your organization, observing your team's investigations, learns their patterns, and helps us improve them. Then, it automates them at your own pace, at any scale, and without requiring any integrations or APIs.

AI made execution free. Knowing first is the whole game now.

Fundz sees it the moment Legion Security raises, hires an exec or expands, usually minutes after it happens, and tells you who to reach.

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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

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

145 of these a day, filtered to the companies you pick, with the decision-maker attached.

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