Red teams are focused only on trying to compromise an organization using an attacker's tactics. They simulate real-world attacks to test the effectiveness of the organization's security defenses and identify vulnerabilities. Red team: Acts as adversaries to simulate attacks and find security weaknesses. White team: Oversees and ensures the rules of engagement are followed during the penetration test. Purple team: Facilitates collaboration between the red team and the blue team to improve security. Blue team: Defends against attacks and responds to security incidents.