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Commonly confused · Security Operations

Red Team vs Blue Team vs Purple Team: What's the Difference?

The red team plays the attacker, emulating real adversaries to test defenses. The blue team defends, detecting and responding to attacks, and the purple team is a collaborative function where red and blue share findings in real time to improve detection.

vsvs

Purple Team

Full definition
Red TeamBlue TeamPurple Team
RoleOffenseDefenseCollaboration and knowledge transfer
GoalAchieve objectives undetectedDetect, contain, and recoverImprove detections and close gaps quickly
Typical activitiesAdversary emulation, social engineering, exploitationMonitoring, threat hunting, incident response, hardeningJoint exercises mapped to MITRE ATT&CK
Knowledge sharingReports at the endLearns from incidentsContinuous during the exercise
RelatedWhite team referees rules of engagementSOC analystsCan be a mindset rather than a separate team
Remember it

Red attacks, blue defends, purple makes them talk.

Exam tip

If the scenario describes attackers and defenders working side by side to tune detections, the answer is purple team. The white team sets rules and judges exercises.

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