New antivirus to ward off ransom seekers

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Global security firm Sophos has unveiled a new antivirus.

A key feature of the Sophos Home Premium antivirus is its advanced anti-ransomware capability that can detect previously unknown ransomware.

Ransomware is a type of malicious software designed to block access to a computer until the owner pays  ransom. 

The antivirus is designed to protect PCs and Macs.