Who’s Winning AI Cybersecurity?
RSA is underway. Here’s who’s raised the most and who to watch next.
Feed The AI Team
April 30, 2025
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The largest cybersecurity conference, RSA, kicks off this week in San Francisco. Companies will flood the conference floor with deep pockets of recently raised funding to pitch potential customers.
Let’s break down who raised the most, startups to watch, and what this means for the future of AI:
🏆 Heavy Hitters
These are the companies raising hundreds of millions and shaping the future of AI security:
ReliaQuest – Raised $500M+ at a $3.4B valuation for AI-powered security ops.
Abnormal Security – Closed $250M Series D at a whopping $5.1B valuation.
Cyberhaven – Raised $100M Series D, now valued at $1B.
Sublime Security – Secured $60M Series B for adaptive, AI-powered email protection.
Protect AI – Raised $60M to secure ML pipelines — a fast-growing attack vector.
🚀 Startups to Watch
These up-and-comers are redefining what AI-native security looks like:
GetReal Security – Raised $17.5M to fight deepfakes and impersonation attacks.
VanishID – Raised $10M for digital executive protection via agentic AI.
Charm Security – Secured $8M to power customer-facing security platforms.
Terra Security – Raised $7.5M to bring agentic AI to automated pen testing.
📡 The Trend: AI-Native Everything
From email security to generative AI threat detection, security is becoming more autonomous, adaptive, and AI-native. Startups like Terra and VanishID are building systems that think like attackers. And investors are pouring cash into tools that can defend in real time without human bottlenecks.
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