AI Security for Apps reached GA, letting Cloudflare block prompt injection and PII leaks at the WAF layer. On the same day, it also launched RFC 9457-compatible error responses that replace HTML with JSON or Markdown when AI agents hit Cloudflare errors.
Four infrastructure-security stories from early March 2026: AI attack tool CyberStrikeAI compromising 600 FortiGates, Cloudflare's split detection/blocking WAF architecture, standardization of TLS Encrypted Client Hello, and CISA's KEV addition for VMware Aria Operations.