Cookies are small files which are stored on a user's computer. Some would argue that tracking cookies are bad for your privacy, in that they remove some of your privacy.

Bad Cookie Monster! This mostly depends on what your definition of “bad” is. They can't infect computers with viruses or other malware, although some cyber attacks can hijack cookies and, therefore, browsing sessions. At worst, they can pose a threat to your privacy, in the case of tracking cookies. There are a lot of myths surrounding cookies, mostly making them out to be in some way dangerous for your computer or infringing of privacy rights.. → German. What is a Cookie? I have heard that cookies are bad for privacy - is that true? No, but it may impact your experience when browsing a site as it may not remember preferences such as: location, preferred language, etc, to help optimize your visit. However, they can be used by advertisers as you browse the web to collect information about you. Today's online searchers and shoppers benefit from browser cookies but many may still not fully understand what computer cookies are or how they work in the background to aid in your everyday online experience.

The Bad Side of Cookies. As a person who helps a lot of individuals with their personal computer problems I seem to run into a familiar line of thinking on a regular basis, and that is many people seem to think web cookies (also known as browser cookies or an HTTP cookie) are … The danger lies in their ability to track individuals' browsing histories. Quite a bit of personal data may reside in the cookie files in your computer, such as ID and Password information. Microsoft, Google, and Firefox are implementing do-not-track features into their browsers, giving consumers the option to block cookies that may track their surfing for advertising purposes. The bigger question is, are the uses thereof good or bad.

Further, many cookies are not only legitimate, but also required for normal operation of some websites. What Are Cookies? This mostly depends on what your definition of “bad” is. Web Cookies: the good, the bad and the ugly…. At worst, they can pose a threat to your privacy, in the case of tracking cookies. Bad? Controlling cookies in Firefox.

There's nothing harmful about the cookies existing on your computer, they're essentially just text files. Quite a bit of personal data may reside in the cookie files in your computer, such as ID and Password information. Neither, they are just a mechanism to how the Web works. Cookies are, in fact, nothing more than very small text files that are placed on your computer/browser when you visit certain websites.