Securing Historian Server in OT Environment When to Use - When deploying a new historian server in an OT environment and configuring it securely from the start - When hardening an existing historian after a security assessment identified it as a high-risk target - When designing historian data replication architecture through a DMZ for IT access to process data - When implementing access controls to prevent unauthorized modification of historical process data - When investigating suspected historian compromise or data integrity issues Do not use for IT-only database security without OT data (…