OT backup and restore testing: prove the recovery path
Inventory the files and dependencies needed to recover a control system, set recovery objectives, and test restoration on an isolated target.
Security information and event management (SIEM)
Centralized security-log correlation and alerting platform.
Security information and event management: a platform that collects, normalizes, correlates, retains, and alerts on security logs. OT deployments must account for passive collection, low-bandwidth links, long-lived assets, and the meaning of industrial events.
See also: OT · Industrial firewall · Zones and conduits
Use the concept: Subnet calculator · OT asset inventory template · OT backup & restore test template
In depth
OT incident response: a ransomware playbook for plants that can't just stop
Build an OT incident response plan that respects process safety — roles, containment without shutdowns, backups that restore, and tested playbooks.
Safety instrumented systems: the boundary between control and protection
Basic SIS and SIF concepts, independence, SIL targets, proof testing, bypasses, and the questions to answer before connecting safety to a control system.