This publication provides readers with introduction to computer scanning and scanners Focus lies on scanning associated processes and instruments. Introduction to antivirus programmes and software is given. Special focus lies on cryptovirology, disk cloning and virus hoax. Lists of antivirus software, computer viruses and timeline of notable computer viruses and worms are given. CONTENTS: Introduction to Computer Scanning and Scanners; Focus on Scanning Associated Processes and Instruments; Introduction to Antivirus Programmes and Software; Focus on Other Antivirus Programmes and Softwares; Focus on Cryptovirology, Disk Cloning and Virus Hoax.