Hooking Coding Agents with the Cedar Policy Language

Matt Maisel, CTO and Cofounder, Sondera, speaks at [un]prompted 2026 on: Hooking Coding Agents with the Cedar Policy Language. Coding agents wield dangerous access to your code and terminal, and prompt injection renders soft guardrails useless. This...

Matt Maisel, CTO and Cofounder, Sondera, speaks at [un]prompted 2026 on: Hooking Coding Agents with the Cedar Policy Language.

Coding agents wield dangerous access to your code and terminal, and prompt injection renders soft guardrails useless. This talk demonstrates a reference monitor using Rust hooks and Cedar policies to deterministically intercept every shell command, file read, and other actions. We’ll live demo forbidding exfiltration and destructive behaviors, leaving you with an open-source tool compatible with Cursor, Claude Code, and GitHub Copilot CLI.