Legion Security
Legion Security is a cybersecurity company specializing in Security Operations, founded in 2024 and headquartered in New York, United States. It has raised $38M in equity across 2 priced rounds, employs about 65 people, and is privately held.
updated Oct 1, 2026
Latest Legion Security news and company activity
What Legion Security did, dated — selected moves from the record, one per kind, newest first.
- Sep 2026PartnershipLegion Security Accepted into OpenAI Daybreak Blue Cybersecurity Initiative
- Sep 2026RecognitionLegion Security Included in CyberVendorGuide's 2026 SOC Automation Tools List
- Aug 2026Feature launchLegion Security launches Autonomous Mode and Guided Mode operational modes
- Jul 2025Funding roundLegion Emerges From Stealth With $38M to Redefine AI-Driven Security Operations
Legion Security Momentum score
44/ 100
Mandos Momentum blends hiring, funding, traffic and sentiment into one score out of 100. The score is free; the pillars behind it unlock in the platform.
Legion Security funding
Legion Security has raised $38M in priced equity. Its most recent round was a Series A in July 2025.
- Equity raised
- $38M2 priced rounds
- Last round
- Series AJul 2025
Legion Security employees and hiring
Legion Security has about 65 employees, up 1% over the last 30 days, with 1 open roles.
- Employees
- 65
- 30-day change
- +1%
- Open roles
- 1
Legion Security competitors
Security professionals most often compare Legion Security against Command Zero and Mave on cybersectools.com. The full competitive set, with overlap scoring, is in the platform.
by search demand for comparison pages on cybersectools.com, 90 days
The other 440 data points.
- Funding historyevery round, every investor named
- Headcount growthvelocity, departments, seniority
- Open jobs1 live postings, role mix
- Tech stackframeworks, clouds, security
