Cryptovirology: extortion-based security threats and countermeasures
SP'96 Proceedings of the 1996 IEEE conference on Security and privacy
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Many are familiar with the topic of malware and the dangers these pose to both organisations and individuals. Frequently targeted via anonymous emails, malware carries malicious payloads often contained within file attachments such as Adobe Acrobat and Microsoft Office documents. Emailed documents such as these, and potentially that useful utility you downloaded, can unfortunately have an even more sinister payload than simply co-opting a machine to a botnet. Today's trojans may hold a computer's user to ransom. The term 'ransomware' has been used to describe malware with this class of payload.