Linux Kernel Journey

Apr 9, 2026 · Information Security

Why Traditional AI Agent Sandboxes Fail and How Sandlock Provides a Lightweight Alternative

The article argues that heavy container‑ or micro‑VM‑based sandboxes mis‑solve AI agent security, because the real threat is prompt injection at the application layer, and demonstrates that a policy‑first approach using Linux Landlock, seccomp and per‑tool isolation—embodied in the open‑source Sandlock sandbox—delivers strong protection without root or heavyweight isolation.