Why we cannot wait for better post-quantum signature algorithms

Cloudflare security blog feed covering post-quantum cryptography migration, vulnerability response, AI and frontier-model security, OAuth and non-human identity protection, threat-intelligence-driven WAF rules, MCP governance, client-side security, account-abuse prevention, and multi-vector attack investigation. The most directly vulnerability-focused item describes mitigation of the critical Linux “Copy Fail” privilege-escalation vulnerability with no reported customer impact or exploitation; no CVE identifier is provided in the feed.