Cookies may be used for authentication, identification of a user session, user's preferences, shopping cart contents, or anything else that can be accomplished through storing text data. Cookies can be also used for travelling of data from one page to another.
Is Cookies Secured?
Well, this question has no specific answers in YES or NO. Cookies could be stolen by hackers to gain access to a victim's web account. Even cookies are not software and they cannot be programmed like normal executable applications. Cookies cannot carry viruses and cannot install malware on the host computer. However, they can be used by spyware to track user's browsing activities.
Revision number 2, Sunday, September 18, 2011 7:40:44 PM by codenickel
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Tue, Sep 20, 2011 3:37 AM
Why we can not keep at server side as well ?
Tue, Sep 20, 2011 1:29 PM
Because a cookie is like a ticket for the user of site. The ticket should be kept at the client so this way the client can say who is he/she for the site.