Why we cannot wait for better post-quantum signature algorithms

Cloudflare security blog feed covering post-quantum cryptography migration, OAuth and non-human identity security, AI and MCP application security, vulnerability discovery, threat-intelligence-driven WAF protection, client-side and account-abuse defenses, and investigation of multi-vector attacks. The most directly vulnerability-focused item describes Cloudflare’s response to the critical Linux “Copy Fail” privilege-escalation vulnerability, with detection and mitigation across its fleet and no reported customer impact or exploitation. The feed also discusses emerging security architecture for