Some, such as the West Coast Labs Trojan Checkmark, evaluate the ability for antivirus software to detect and remove Trojans from a system. Common PC operating systems are included in most of the third party tests. I T PC-Cillin Trend Micro Inc. Increased awareness about viruses and available solutions in the form of internet downloads, information on websites and articles. Very few are actually damaging and most of them are virus hoaxes.
Computer viruses are a constant low-level annoyance.
Every company knows that it ought to have anti-virus software, and that virus protection is a cost of doing business, just like backup and fire insurance. Anti-virus vendors generally offer monthly updates, and in a typical corporate environment new updates are installed every one to six months. Because it takes a typical new virus many months, or even a few years, to become widespread, this is reasonable. The Internet currently plays a comparatively small role in the spread of viruses. So the Concept virus spreads over the Net only when someone mails an infected document to someone else, or makes one available on their Web site.