Malware---or malicious software---poses a severe security threat to Internet users, according to "A View on Current Malware Behaviors"; Bayer, Habibi, Balzarotti, Kirda and Kreugel; April 2009. Malware infiltrates a computer without user consent and causes symptoms that can lead to identity theft or severe computer damage. Modern malware programs are complex and require more than simple user-friendly tools to remove. As a result, malware experts commit to training and research, and continually update their knowledge. Malware experts may study online and provide assistance in technical forums or attend traditional programs in the computer security industry.
Read more: How to Become a Malware Expert | eHow.com