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Virus

A self-replicating program that attaches itself to clean file and spreads throughout a computer system, infecting files with malicious code.

Trojans

A type of malware that is disguised as legitimate software. Cybercriminals trick users into uploading Trojans onto their computer where they cause damage or collect data.

Spyware

A program that secretly records what a user does, so that cybercriminals can make use of this information. For example, spyware could capture credit card details.

Ransomware

Malware which locks down a user’s files and data, with the threat of erasing it unless a ransom is paid.

Adware

Advertising software which can be used to spread malware.

Botnets

Networks of malware infected computers which cybercriminals use to perform tasks online without the user’s permission.

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