Symantec’s Security Response website reported 81 viruses discovered during a 30-day period this fall. In the U.S., worms that have been the most successful at propagating have inflicted comparatively little damage. Antivirus scanners do nothing to protect against the most serious virus threat today: new viruses. On a properly protected computer, executables infected with a familiar signature such as Chernobyl’s simply can’t run. A paper presented at this year’s Usenix Symposium convincingly showed several strategies for infecting between 1 million and 10 million Internet hosts in 15 minutes.”]
Source: https://www.csoonline.com/article/2113087/antivirus—great-business–lost-cause.html