Viruses, worms, and Trojans, each of which has some unique characteristics, are starting to blend together in people’s perceptions as well as the way they behave. A virus can use worm-like logic to spread and also install a Trojan horse type program. The distinctions are also mostly lost on the IT professional trying hard to keep this software from impacting their network and end nodes. For the purposes of this paper, I’ll put them all together with the term malware. Malware has been getting much more prevalent and virulent, despite the fact that programs that counteract these undesirable applications have been getting better and better.
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