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Insights on network security, web infrastructure protection, and the latest in cybersecurity research.
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Potential Weaknesses in the OpenAI Sandbox that Could Have Contributed to the Hugging Face Incident
Henry Birge-Lee
July 31, 2026
6 min read
OpenAI's postmortem describes an agent that was sandboxed except for a package proxy that could fetch software from the Internet. That proxy sat in a bridge position between two networks, an architecture Princeton's security team would not tolerate on their own network years ago.
AI Security
Network Security
Sandbox Architecture
An Inflection Point in the web PKI
Henry Birge-Lee
June 15, 2026
14 min read
The web PKI underwrites every HTTPS connection on the modern internet, but quantum computing and AI agents are stretching its architecture past its limits. The path forward is a new application-layer PKI stacked on top — not a clean-slate replacement.
Web PKI
AI Security
Post-Quantum Cryptography
The future of Domain Control Validation (a.k.a. Why you should use DNS persist today)
Henry Birge-Lee
February 9, 2026
8 min read
Domain control validation is changing and its important to adopt technologies now that will scale and strengthen the future security of the PKI.
Network Security
DNS
Web PKI