ocr: Attects currently executing application VIRUS LOCAL Simple to remove MAIN MEMORY Limited damage if contained - a May infect all stored applications FIXED Potential local data damage LOCAL STORAGE Moderate damage if caught in time SHARED FILE SYSTEMS 5 Widespread System Utilities infection Editors Compilers Shared tions Communica- System May damage cause substantial Applica- tions files Complex recovery Tools SYSTEM WIDE REMOVABLE MEDIR E Extremely difticult to recover Floppies WORMS Removable Tape Media may not be Hard Disks Backups traceable -Widely Dispersed -Archieved for long periods Proba ...