You receive an email from an outside party stating that clients on your network have been encrypted and the only way to decrypt them is to send Bitcoins to a man named "The Jackal". Your company has fallen victim to a/an:
A ransomware attack involves encrypting user's data and witholding the encryption key until a ransom is paid. Darn it, Jackal!
Ransomware is a type of malware from cryptovirology that threatens to publish the victim's data or perpetually block access to it unless a ransom is paid While some simple ransomware may lock the system in a way which is not difficult for a knowledgeable person to reverse, more advanced malware uses a technique called cryptoviral extortion, in which it encrypts the victim's files, making them inaccessible, and demands a ransom payment to decrypt them In a properly implemented cryptoviral extortion attack, recovering the files without the decryption key is an intractable problem – and difficult to trace digital currencies such as Ukash or Bitcoin and other cryptocurrency are used for the ransoms, making tracing and prosecuting the perpetrators difficult