Install Antivirus Software
Viruses are the most well-known of several categories of maliciously targeted programs (generically called malware). Most malware programs install themselves through vulnerabilities in the operating system, software, or through social engineering. Once installed, the malware will deliver some sort of a payload (from simply spreading itself again to installing a keylogger to track everything you type) and attempt to spread itself further.
IT Services licenses Symantec Endpoint Protection for Windows and Mac OS X. Both versions are available for download from the IT Services Site Licensing Office website:
Antivirus software is only as effective as its latest definitions, or, the list of viruses the software can detect. Because of the high number of viruses for Windows, most Windows antivirus software has this capability built into the program to automatically update its definitions on a set schedule.