Warning: Fortinet Releases Critical Security Hardening Updates for Multiple Products, Patch Immediately!

**Executive summary:** Fortinet announced coordinated security hardening updates for FortiOS, FortiManager, FortiAnalyzer, FortiMail and FortiAuthenticator addressing multiple critical- and high-severity issues across many version branches; fixed versions and upgrade guidance are listed for each product, but individual CVE identifiers and technical details are pending publication. Organisations are urged to prioritise patching internet-facing and management systems, apply temporary mitigations (restrict admin access, use VPN/SASE, enforce MFA), and increase monitoring for suspicious activity while awaiting Fortinet PSIRT advisories.