Microsoft Exchange Security Best Practices
Security Advisory Summary Microsoft Exchange Security Best Practices A visual guide to hardening on-premises Exchange environments against persistent threats based on official cybersecurity agency recommendations. Infrastructure Maintenance Patching CadenceApply CUs twice yearly and monthly security updates immediately. Migrate EOL ServersMove to Exchange Server SE; support for 2016/2019 ended Oct 2025. Emergency MitigationEnsure EM Service remains… Read More »Microsoft Exchange Security Best Practices



