In simple words, cookies are the files which are stored in the cache memory of our internet browser. To better explain you about Cookies, let’s take an example:
Whenever we visit a website which is cookies enabled that website will drop a cookie in our system. For example, whenever we visit an e-commerce site like Flipkart, what are the items we search, how much time we have spent viewing any item all this information is sent to that website with the help of a cookie.
Cookies are initially designed by websites to remember the useful information. As discussed earlier the tasks one perform over a particular website is tracked with the help of a cookie.
Cookies are downloaded by every website you visit on your system to enable faster access to their website. A cookie can be used for authentication, storing site preferences, shopping cart contents, the identifier for a server-based session, or anything else that can be accomplished through storing text data.
Basically online websites, whether it is an e-commerce website or a hotel booking website makes cookies so that they can record any personal information you enter or behavior (like your interests).
Now, whenever you visit that website again it will show the recommended data or personalized data based on your personal interests so that you can now view that website in more interactive manner.
Also read: What Is Captcha?
Everything in this world has two aspects, one good one bad. Same thing goes in the context of cookies.
Cookies do not in themselves present a threat to privacy since they are simply the text files which are used to store information based on surfing the web.
Most modern browsers allow users to decide whether to accept cookies or not, and the time frame to keep them. In fact, whichever browser you use gives you the option to manage cookies according to your wish.
One can easily restrict or block the cookies which are set by a website, from his browser settings.
The cookies are low priority threats which generally do not pose any risk. These cookies will be created each time you visit the internet using any browser. Since they are not a serious threat, we do not recommend that you block them.
However, it is strictly recommended that you can simply clean them from time to time. You can also use an anti-spyware tool which will clean these cookies from time to time and protects you from any coming threat.