Kaspersky Internet Security 2017

Little changes in the 2017 update, but it still offers perfect protection in tests – and now adds a VPN and tools to update and manage software. 3 PCs/1yr, £20; amazon.co.uk REVIEW Issue 267, p64

Avast Free Antivirus

Avast Free Antivirus can’t match paid-for suites for virus detection, but it remains a strong performer with some nifty features. Against tough rivals, this is the pick of the free crop. Free; avast.com REVIEW Issue 265, p84

Bitdefender Internet Security 2017

While the interface is a step back from 2016, everything else that’s great about Bitdefender stays: most notably the silent but deadly “Autopilot” protection. 3 PCs/1yr, £25; amazon.co.uk REVIEW Issue 267, p65