What Is a Threat

What is a threat?

A) the electronic defacing of an existing website
B) the abuse of pay-per-click, pay-per-call, and pay-per-conversion revenue models by repeatedly clicking on a link to increase charges or costs for the advertiser
C) a computer crime where a competitor or disgruntled employee increases a company's search advertising costs by repeatedly clicking on the advertiser's link
D) an act or object that poses a danger to assets