Google's Dev Signal is brilliant. It's also a security nightmare waiting to happen.

Google's Dev Signal is brilliant. It's also a security nightmare waiting to happen. Google just published a great article about Dev Signal — a multi-agent system that reads Reddit, stores long-term memory in Vertex AI, and auto-generates expert content via MCP tools. It's elegant. It's also a security nightmare that nobody's talking about. The attack surface Google didn't mention Dev Signal's architecture: Reddit (untrusted input) → Reddit Scanner Agent → Vertex AI Memory Bank (long-