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Rethinking Security from the OS Up in the Age of AI and more RSAC 2026 Interviews - Karen Heart, Sachin Jade, Phil Calvin, Craig Sanderson, Travis Wong - ESW #456
Rethinking Security from the OS Up in the Age of AI
Karen Heart discusses a file-system–first approach to security, arguing that most modern attacks—including ransomware and supply chain compromises—succeed because they inherit user permissions and operate inside overly trusted system structures.
She explains how limiting file access, socket (network) access, and privilege escalation at the operating system level can reduce entire classes of attacks. Rather than relying on reactive detection, her approach emphasizes immutable, allowlisted controls embedded close to the kernel layer, designed…
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