What are computer cookies??.. 


Every time when  you use web browsers some websites will ask your permission to access Cookies.. We may wonder what exactly these cookies or what they do. Here is brief article on cookies.. What they are and what they do... 

What are Cookies:

Cookies are small files which are stored on a user's computer. They are designed to hold a modest amount of data specific to a particular client and website, and can be accessed either by the web server or the client computer. This allows the server to deliver a page tailored to a particular user, or the page itself can contain some script which is aware of the data in the cookie and so is able to carry information from one visit to the website (or related site) to the next.

In what way the websites use your cookies:

Here is an example

An online shopping website might use Cookies to keep track of all of the products you have added to their Shopping Cart. If you log into a website, it may create a cookie to remember the time you logged in at.

What do exactly a cookie contain:

cookie will contain a string of text that contains information about the browser. To work, a cookie does not need to know where you are from, it only needs to remember your browser. Some Web sites do use cookies to store more personal information about you. However, this can be done only if you yourself have provided the Web site with that personal information. Legitimate Web sites will encrypt this personal information stored in the cookie to prevent unauthorized usage by another party with access to your cookie folder.

Are cookies secure:

There is a lot of concern about privacy and security on the internet. Cookies do not in themselves present a threat to privacy, since they can only be used to store information that the user has volunteered or that the web server already has. Whilst it is possible that this information could be made available to specific third party websites, this is no worse than storing it in a central database. If you are concerned that the information you provide to a webserver will not be treated as confidential then you should question whether you actually need to provide that information at all.



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