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Security Operations · Foundational

Blue Team

The defensive security team responsible for detecting, responding to and preventing attacks.

Definition

Blue teams operate SOC monitoring, incident response, threat hunting, hardening and detection engineering. In exercises they defend against the red team. Their effectiveness is measured by detection and response metrics.

Example

SOC analysts detecting and containing a red team's beacon within one hour.

Exam tip

Blue team is defense; in exercises, the white team sets rules and judges.

Don't confuse it with

Related terms