Penetration testing is an authorized simulated cyberattack against computer systems, networks, or applications to identify and exploit security vulnerabilities. Also known as "pen testing" or "ethical hacking," this proactive security assessment demonstrates how attackers could breach defenses, access sensitive data, or disrupt operations through controlled exploitation of discovered weaknesses.
Unlike automated vulnerability scans that simply flag potential issues, penetration testing actively exploits vulnerabilities to prove their real-world impact. Security professionals with explicit permission conduct these tests using the same tools and techniques as malicious actors, but with the goal of strengthening defenses rather than causing harm.
Types of Penetration Testing
Network Penetration Testing: Assesses the security of network infrastructure including firewalls, routers, switches, and network services to identify vulnerabilities that could allow unauthorized access.
Web Application Testing: Examines web applications for vulnerabilities including SQL injection, cross-site scripting, authentication flaws, and insecure API endpoints.
Social Engineering Testing: Simulates phishing campaigns, pretexting calls, and physical intrusion attempts to test employee security awareness and organizational security culture.
Red Team Exercises: Comprehensive, multi-vector attacks that simulate advanced threat actors targeting an organization's people, processes, and technology simultaneously.
Cloud Infrastructure Testing: Assesses the security of cloud configurations, IAM policies, and cloud-hosted applications for misconfigurations and vulnerabilities.
Penetration Testing Methodologies: Standard methodologies include PTES (Penetration Testing Execution Standard), OWASP Testing Guide for web applications, and NIST guidelines, ensuring comprehensive and consistent assessment approaches.
Penetration Testing Phases: Reconnaissance, scanning, gaining access, maintaining access, and reporting. The final report documents all findings with risk ratings, evidence, and remediation recommendations.
Pangratis supports security teams conducting penetration tests by providing visibility into email security controls and helping organizations identify gaps in their email threat detection capabilities.