What is the key difference between red-teaming and purple-teaming?

What is the key difference between red-teaming and purple-teaming?

• A. Red-teaming simulates attackers; Purple-teaming emphasizes collaboration between blue and red to improve defense.
• B. Purple-teaming simulates attackers; Red-teaming focuses on defense improvements.
• C. Red-teaming is illegal; Purple-teaming is legal only with approvals.
• D. Purple-teaming is used only in development environments.

Answer: (A)