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Yet, depending on how cookies are used and exposed, they can represent a serious security risk. For instance, cookies can be hijacked. As most websites utilize cookies as the only identifiers for user sessions, if a cookie is hijacked, an attacker could be able to impersonate a user and gain unauthorized access.
Should I worry about tracking cookies?
Like we said before, they are just data stored by a website, and not malware. At worst, they can pose a threat to your privacy, in the case of tracking cookies. Further, many cookies are not only legitimate, but also required for normal operation of some websites.
Tracking cookies are neither good or bad. They are simply small text files, that in and of themselves don’t do anything. Tracking cookies are silently dropped on the user’s computer, but they can’t do any damage there and they hardly take up any space.
Is it bad to have tracking cookies on your computer?
If you’re someone who is alerted by tracking cookies during a virus scan, be advised that these files are not malicious and will not do damage to your computer. However, over a long period of time, tracking cookies from major advertising networks can grow to be so large and full of your personal information that they may be seen as invasive.
Risk Associated with Cookies 1 Cross Site Request Forgery Attack (XSRF) A browser sends a cookie in response to a request, regardless of where the request came from. 2 Session Fixation. Session fixation attacks are based on application level. 3 Cross-Site Scripting. 4 Cookie Tossing Attack. 5 Cookie Overflow Attack.
How are tracking cookies used in an attack?
When tracking cookies can be seen by a malicious attacker, the cookies effectively become spyware. The tracking cookies can then be used to track the user’s activities on a site and target them in a social engineering attack or, depending on what is tracked, identity theft.
So, if a Flash cookie is retained on a computer’s hard disk, it will be used as a backup for the normal cookie and hence can be used to recall the preferences of a particular user to a website. Common risks of cookies are: A browser sends a cookie in response to a request, regardless of where the request came from.