Symantec’s latest offering is lighter than ever and an extremely effective security package. And get this, a RAM footprint smaller than Kaspersky

A modular scanning tool that catches most unwanted software – but not quite all

More approachable than ever, with excellent malware detection in an affordable package

A new interface and extra web-protection capabilities make AVG our top free antivirus choice

Clean, clear and light on its feet, but with few extras.

A quantum leap in usability over the previous version, although malware protection could still be better

A mixed performance undermines an otherwise good-value product.

A friendly suite for the less-experienced user, but technical types may find it limiting.

A highly usable all-round security suite, but ultimately a strong runner-up rather than a new champion.

We've had a quick play with the new version - and we like what we see. Definitely one to stick in your PC toolkit for 2008.

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A big improvement from Microsoft, but there’s still some way to go. OneCare can now call itself a serious security contender.

A winner on the strength of its excellent protection, coming first or equal-first in our malware and firewall test.

Is it worth paying for the full version of AVG Internet Security?

A professional product, but it's a poor performer for the price.

With peerless detection capabilities, this well-conceived package towers over its rivals.

The Vista version lacks many of the features of the XP suite, while slowing down the PC noticeably in usage

A free package that scores highly, beating almost all its big-name competition. It’s just a shame it’s such a nag

With peerless detection capabilities, this well-conceived package is a joy to use.

A three-PC licence as standard, superb silent interface and effective security utilities make Norton 360 a tempting buy.