It seems that no sooner do you feel safe turning on your computer than you hear on the news about a new kind of internet security threat. Usually, the security threat is some kind of malware (though the term "security threat" no doubt sells more newspapers).
What is malware? Malware is exactly what its name implies: mal (meaning bad, in the sense of malignant or malicious rather than just poorly done) + ware (short for software). More specifically, malware is software that does not benefit the computer's owner, and may even harm it, and so is purely parasitic.
12 types of undesirable attack on your computer
Autoresponders and their use to prevent attack by email .
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