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Security Response

Tracking Cookies

Created: 28 Jul 2010 15:00:02 GMT • Updated: 22 Jul 2014 17:34:37 GMT • Translations available: 日本語
Ben Nahorney's picture
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Given the millions of threats that Symantec products block every day, you might find it interesting to know which detection consistently holds the top spot. No, it’s not a worm such as W32.Stuxnet, a virus like W32.Virut, or even one of our long-tem generic detections, such as Backdoor.Trojan. The detection most frequently encountered by Symantec antivirus users is Tracking Cookie.

Luckily this isn’t the sign of an underreported, massive outbreak in the threat landscape. Tracking cookies do what they say on the tin: they track your browsing habits. And while many cookies serve a useful purpose and are used on many websites, tracking cookies can be considered a privacy concern.

Tracking cookies are in the news as well, as some media companies that use them have found a way to resurrect deleted tracking cookies by using other cookies that are stored within Flash applications. Rest assured that these “Zombie cookies” will also be detected by Symantec antivirus system scans, just as regular tracking cookies are, and can be removed from your computer, if you so choose.