behavioral-detection
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Halcyon Bet Your Security Stack Will Fail. Its Payoff Is a $1 Billion Ransomware Safety Net
Most security vendors promise to keep attackers out. Halcyon starts with the impolite assumption that every layer - including its own - can fail, then sells enterprises a second chance before ransomware turns downtime into leverage.
The Open-Source Trojan Horse: How ARMO Turned 11,000 GitHub Stars Into a Cloud-Security Business
ARMO gave away a Kubernetes scanner, watched 40,000 companies download it, then built a runtime-security business on top. This is the story of the open-source Trojan horse - and the eBPF sensor that made it work.
RAD Security
RAD Security is a San Francisco cloud-native security company that pairs runtime telemetry with agentic AI to help teams detect, investigate, and respond to threats across Kubernetes and cloud environments. Founded in 2021 as KSOC and rebranded RAD Security in 2024, it builds behavioral, eBPF-driven detection and a roster of AI 'RADBots' that triage alerts, generate compliance evidence, and automate security workflows. The company raised a $14M Series A in February 2025, bringing total funding to about $20M.