Legion Security is one of the most exciting emerging players in cybersecurity, using AI to transform how security teams operate.
Legion Security is one of the most exciting emerging players in cybersecurity, using AI to transform how security teams operate. Acting as a browser-based companion, it learns how analysts work and helps teams move faster and more efficiently without adding complexity.
Having recently raised $38 million and expanding rapidly across the UK and EMEA, Legion is quickly becoming a vendor to watch. Early adopters, including organisations such as Virgin Money, are already seeing the impact – reducing investigation time and freeing up teams to focus on higher-value work.
Legion Security helps organisations scale their security operations by embedding AI directly into how analysts work – reducing manual effort, improving consistency, and accelerating response times without adding complexity or headcount.
What sets Legion apart?
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Learns how your team actually works
Captures real analyst behaviour and turns it into repeatable, scalable workflows -
Operates directly in the browser
Works across existing tools and environments without disruption -
Instant deployment, no heavy lift
No APIs or complex integrations required - quick to adopt and easy to scale -
Reduces noise and manual effort
Automates repetitive investigation steps so teams can focus on higher-value work -
Faster investigations and response
Reduced investigation time by up to 50% in live SOC environments and up to 81% reduction in time to investigate and respond (MTTI/R) for common use cases -
Scales without increasing headcount
Extends the capability of existing teams without additional hires -
Flexible automation on your terms
Move from guided workflows to autonomous execution as confidence grows -
Full visibility and control
Every action is transparent and aligned with your processes -
Proven in real-world environments
Used by organisations including Virgin Money to scale security operations and SOC teams report keeping up with significantly higher alert volumes without increasing resource