What is the essential purpose of employing Penetration Testers or Red Teamers in a mature defense organization?

Answer

Simulating real-world attacks to test the effectiveness of the defensive teams

Penetration Testers and Red Teamers simulate real-world attacks to test the effectiveness of the defensive teams (the Blue Team), providing immediate, concrete data on weaknesses in detection logic and response times.

What is the essential purpose of employing Penetration Testers or Red Teamers in a mature defense organization?
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