Grimlock: Guarding High-Agency Systems with eBPF and Attested Channels

This collection of newly announced arXiv papers covers security-relevant advances across agent systems, LLM orchestration, caching, cryptography, mobile privacy, and storage privacy. Highlights: Grimlock — an eBPF-enforced Agent Guard combining traffic interception, post-handshake attestation bound to TLS1.3 channel bindings, and short-lived channel-bound scope tokens to enforce authorization and provenance across sandboxes; HARP — a trace-first methodology measuring harm amplification in multi-agent LLM systems and showing how local compromises can propagate and amplify system-level harm; PoS