CORE

Control (preventive, detective, corrective)

A safeguard that reduces risk. Preventive controls stop an incident before it happens (a firewall), detective controls notice it happening (a SIEM alert), and corrective controls fix things afterward (restoring from backup).

Related terms

CORE Defense in depth Layer multiple controls so one failure doesn't leave you fully exposed. GRC Risk register A living list of identified risks, their impact, and who owns each one.
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