Hacker News Top Stories: April 8, 2026 – Project Glasswing, AI Safety & Lunar Flyby

On April 8, 2026, Hacker News surfaced three critical infrastructure and AI safety initiatives. **Project Glasswing** (1,217 upvotes, 591 comments) released an open-source hardening framework for protecting production software against supply-chain injection attacks—specifically designed to detect and prevent AI-generated exploits in widely-deployed OSS dependencies, with practical application to CI/CD pipelines handling third-party libraries. **Claude Mythos Preview's System Card** (656 upvotes, 473 comments) published detailed threat models for production LLM deployments, including failure modes in RAG systems, prompt injection vectors, and mitigation patterns—directly applicable for teams shipping AI to regulated industries (fintech, healthcare). **Lunar Flyby** (660 upvotes) detailed autonomous navigation systems for private spacecraft, attracting infrastructure engineers validating edge-case handling in high-reliability autonomous systems. This list captures the community's priorities: securing AI-era software supply chains, understanding LLM deployment risks concretely, and pushing resilience standards in autonomous systems.