Penetration tests are crucial for ensuring the security of an organization's systems by simulating real-world attacks to identify vulnerabilities. These tests, conducted by skilled security professionals, go beyond automated scans, providing a thorough evaluation of system security and offering insights for improvement. They are often required to meet compliance standards and customer trust expectations, particularly in sectors dealing with sensitive data, such as PCI-DSS compliance for card data handling. The process typically involves planning, testing, remediation, and retesting, and can be tailored to various scopes and methodologies, including black box, grey box, and white box approaches, depending on the level of information provided to the tester. Different types of penetration tests, such as network, web application, and mobile application tests, address specific security concerns. The article shares a positive experience with the vendor Strike, highlighting their modern approach, user-friendly dashboard, and efficient testing process, emphasizing the importance of choosing the right partner for penetration testing while underscoring the need for ongoing due diligence and adaptation to changing security needs.