ContractWarden: Kernel-Enforced Damage Boundaries for AI Agents Via Human-Authorized Contracts

Large language model agents can execute commands, create subprocesses, and directly access files and networks, allowing prompt injection or planning errors to become operating-system side effects. We present ContractWarden, a Linux reference monitor that enforces a human-authorized damage boundar...

It's a Feature, Not a Bug: Secure and Auditable State Rollback for Confidential Cloud Applications

Replay and rollback attacks threaten cloud application integrity by reintroducing authentic yet stale data through an untrusted storage interface to compromise application decision-making. Prior security frameworks mitigate these attacks by enforcing forward-only state transitions state continuit...