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What are effective methods to prevent session hijacking on a web application?
Asked on Mar 28, 2026
Answer
To effectively prevent session hijacking, you should implement a combination of secure session management practices, encryption, and protective headers.
Example Concept: Session hijacking occurs when an attacker gains unauthorized access to a user's session ID. To mitigate this risk, ensure all session data is transmitted over HTTPS to encrypt the data in transit. Implement secure cookies by setting the HttpOnly and Secure flags, which prevent client-side scripts from accessing the session ID and ensure cookies are only sent over secure connections.
Additional Comment:
- Regenerate session IDs after successful login to prevent fixation attacks.
- Use short session expiration times and implement automatic logout for inactive sessions.
- Monitor for unusual session activity, such as multiple IP addresses using the same session ID.
✅ Answered with Security best practices.
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