#TLS Certificate
Cloudflare’s New Certificate Design Aims to Make Quantum-Safe HTTPS Actually Practical
Cloudflare is building a certificate authority around a new 'Merkle Tree Certificate' format designed to deliver post-quantum website authentication without bloating every TLS handshake. Early tests show a...
Microsoft Lets connectivity.office.com TLS Certificate Expire, Breaking Enterprise Microsoft 365 Diagnostics
Microsoft allowed the TLS certificate for connectivity.office.com — a critical enterprise Microsoft 365 diagnostic endpoint — to expire on June 14, 2026, triggering browser security warnings and breaking...