CyStack Penetration Testing is a professional security testing service that simulates attacks on systems, network infrastructure, and applications to identify vulnerabilities before attackers can exploit them. The service follows a structured methodology including planning and reconnaissance, vulnerability analysis, exploitation, post-exploitation, and reporting phases. The service offers three testing approaches: black box testing (simulating external attacks with no internal access), gray box testing (evaluating threats with partial internal access), and white box testing (comprehensive testing with full system access including source code). Testing targets include web applications, mobile applications, web services and APIs, desktop applications, infrastructure, and specialized applications. CyStack's penetration testing team consists of security experts with software development and cybersecurity research backgrounds who regularly speak at international security conferences and have discovered vulnerabilities in major technology companies. The service identifies common vulnerabilities including infrastructure and cloud security misconfigurations, remote code execution, business logic flaws, known vulnerabilities (CVEs), broken authentication and access control, server-side injection, and insecure deserialization. Results are managed through a centralized security platform that provides vulnerability overview dashboards, automated discovery of new vulnerabilities and attack surfaces, direct commenting and discussion on vulnerabilities, detailed remediation guidance, and integration with collaboration tools. Upon completion, clients receive a security certificate demonstrating their system has undergone rigorous testing.