Session management testing is a critical component of web application testing and audit because sessions maintain the state between a user and the application after authentication. The primary objective of session management testing is to ensure that session tokens are generated securely, transmitted safely, stored appropriately, and invalidated correctly to prevent unauthorized access, session hijacking, fixation, or replay attacks. Methodologies for session management testing involve a structured approach that includes understanding the session architecture, identifying session tokens, analyzing their properties, and evaluating the entire session lifecycle from creation to termination. The first step in session management testing is reconnaissance and identification of session mechanisms used by the application. Testers analyze how the application tracks user sessions, whether through cookies, URL parameters, hidden fields, local storage, or custom headers. Intercepting traffic using proxy tools such as Burp Suite or OWASP ZAP helps determine where session identifiers are transmitted and whether multiple tokens are used for authentication, authorization, or tracking. Understanding whether the application uses server-side sessions, token-based sessions such as JSON Web Tokens (JWT), or hybrid approaches is essential for selecting appropriate testing strategies. Once session tokens are identified, the next methodology focuses on evaluating token generation and randomness. A secure session token should be unpredictable and possess sufficient entropy to resist brute-force attacks. Testers collect multiple tokens over time and analyze them for patterns, sequential increments, or identifiable structures. Statistical analysis tools may be used to measure entropy levels. If tokens