Cookie Hijacking

Noun · Security & Infosec

Definitions

  1. The theft or misuse of a session cookie so an attacker can impersonate a logged-in user. It can result from XSS, insecure transport, session fixation, or other web security weaknesses.

    In plain English: Stealing or abusing a session cookie to act as another user.

    Example: "The exposed admin session was traced to cookie hijacking after the user browsed an untrusted page with a vulnerable extension."

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