hybrid hardening

The hybrid hardening tag on WindowsForum.com covers guidance for securing Microsoft Exchange environments that span on-premises servers and Microsoft 365. Content focuses on CISA-recommended playbooks for hardening Exchange hybrid deployments, including steps to decommission end-of-life on-premises or hybrid Exchange servers after migrating mailboxes to the cloud. Discussions emphasize reducing attack surfaces by applying Microsoft's hybrid hardening best practices, addressing ongoing security risks that attract threat actors. The tag is relevant for IT administrators and security professionals managing Exchange hybrid configurations and seeking authoritative, actionable hardening steps.