Buffered VPN Coupons a list of tech and cybersecurity related topics that are explained in an informative and straightforward manner for your convenience. With the help of our glossary, you should be able to get a better understanding of how various online security aspects work. Adware stands for advertising supported software. It does not necessarily have to be installed to be considered as such. For example, pop up advertising on websites can be considered adware as well. Adware is rarely useful to the user. The majority of adware is considered intrusive, flooding the users screen with advertising, disrupting browsing activity, and being all around irritating. This does not mean all free software that uses ads is necessarily dangerous. For example, some versions of the widely used chat program Skype use advertising. Although it should be noted that it was exploited by malicious parties to spread adware.