Why we cannot wait for better post-quantum signature algorithms

Cloudflare security blog feed covering post-quantum cryptography, vulnerability response, AI and frontier-model security, OAuth and non-human identity protection, threat-intelligence-driven WAF enforcement, MCP governance, client-side security, account-abuse prevention, and multi-vector attack investigation. The feed includes a response to the critical Linux “Copy Fail” privilege-escalation vulnerability, but most entries describe products, research, architecture, and migration guidance rather than specific newly disclosed vulnerabilities.