The packages we've recommended below are published by some of the most respected names in the security business - you'll almost certainly recognise them all. How to choose the best free antivirus for you Can I trust a free antivirus tool? These great antivirus tools will keep you safe from the latest threats absolutely for free – so there’s no need ever to go unprotected. But you don't need to shell out a fortune to be safe in fact, you don't have to pay a penny. In other words, you most certainly still need protection. Nowadays they'll steal your credit card numbers, or lock up your irreplaceable files and demand a ransom for their return.

In years past, the bad guys might have messed up your settings or put a jokey message on screen.

Make no mistake, though: attacks are still happening - and they're more insidious and dangerous than ever. We know, internet security is boring - and since it hasn't been much in the headlines lately, you'd be forgiven for thinking that the threat had died down. The truth is, thanks to improvements in Windows and elsewhere, it's harder than it used to be for nasty viruses and the like to get into your computer.

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