Microsoft named a leader in the Frost Radar for cloud and application runtime security

Microsoft Security Blog roundup (late June–July 2026) covering: Microsoft named a leader in Frost Radar for cloud & application runtime security; acceleration of quantum‑safe readiness guidance; June product/security updates; threats and defenses for AI agents (MCP/tool‑poisoning risks); a malicious Chromium extension spoofing Perplexity AI that redirects browser search via MV3 APIs; an active Photo ZIP campaign targeting hospitality organizations that uses fake image shortcut files to deliver a persistent Node.js implant and evade detection; Microsoft named a leader in Forrester Wave for EPM;