Ransomware is a form of malicious software [malware] that enables cyber criminals to remotely lock down files on your computer or mobile device. 

Criminals will use ransomware to extort money from you [a ransom], before they restore your access to the files. 

There are many ways that ransomware can infect your device, whether is be a link to a malicious website in an unsolicited email, or through a security vulnerability in a piece of software you use.

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