A Penetration Tester, also known as an Ethical Hacker or White Hat Hacker, is a cybersecurity professional who is authorized to simulate attacks on computer systems, networks, and applications. Their role involves actively seeking vulnerabilities and weaknesses in an organization's security defenses. By using a combination of manual and automated techniques, Penetration Testers exploit identified vulnerabilities to gain unauthorized access, gather evidence, and provide comprehensive reports on the potential risks and recommended mitigations. Their work assists organizations in fortifying their security infrastructure and protecting against real-world cyber threats.