The Pentagon's secret team to think like adversaries during the Cold War evolved into a powerful cybersecurity practice called red teaming. This approach involves simulating an attack against an organization's technology, people, and processes by a group of security professionals known as the Red Team, while the Blue Team covertly defends against attacks from the Red Team. The adversarial mindset is critical to effective red teaming, combining strategic thinking with tactical creativity. It requires understanding an attacker's motivations, considering non-technology entities such as people and processes, embracing holistic problem-solving by viewing a target holistically, and adopting a relentless mindset similar to real attackers. By incorporating this approach into their security strategy, organizations can better understand the threat landscape, identify vulnerabilities, and strengthen their security posture, ultimately becoming more competitive in a world of evolving threats.