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Utpal Vishwas

Utpal Vishwas

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I am Utpal Vishwas from Uttar Pradesh. Have completed my B. Tech. course from MNNIT campus Prayagraj in 2022. I have good knowledge of computer networking.

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Aryan Kumar

Aryan Kumar

01-Jun-2023

Session hijacking is a type of attack in which an attacker steals or guesses a valid session ID from a legitimate user and uses it to impersonate them on the web application. Session IDs are usually generated by the server and sent to the client as cookies, hidden form fields, or URL parameters.

Once the attacker has obtained the session ID, they can use it to access the victim's account without having to know their password. This can allow the attacker to perform a variety of actions, such as:

  • View the victim's account information
  • Make changes to the victim's account settings
  • Make unauthorized transactions
  • Download sensitive files

Session hijacking can have a significant impact on web applications. It can lead to data breaches, financial losses, and reputational damage.

There are a number of things that can be done to prevent session hijacking, including:

  • Using strong passwords
  • Enabling two-factor authentication
  • Keeping software up to date
  • Being careful about what information you share online
  • Being suspicious of unsolicited requests

By following these tips, you can help to protect yourself from session hijacking and other online attacks.

Here are some additional details about how session hijacking works:

  • Session ID theft: The attacker can steal the session ID by eavesdropping on network traffic, using a man-in-the-middle attack, or by tricking the victim into entering it into a malicious website.
  • Session ID guessing: The attacker can guess the session ID by trying common values, such as the victim's username or password.
  • Session ID fixation: The attacker can force the victim to use a specific session ID by redirecting them to a malicious website.

Once the attacker has obtained the session ID, they can use it to access the victim's account by sending requests to the web application with the session ID in the header. The web application will then treat the attacker as if they were the legitimate user.

Session hijacking is a serious security threat that can have a significant impact on web applications. By following the tips above, you can help to protect yourself from this type of attack.

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