Fifteen security packages go head to head in our labs test, including Kaspersky, Norton, ZoneAlarm, McAfee, F-Secure and AVG. Find out which will keep you safe and which could let you down.

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

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An old standard, but one that still provides decent performance at a great price.

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A new behavioural analysis module only adds to AVG’s capabilities, although it isn’t the most elegant marriage

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Cheap, but there’s not much here to cheer about

Comprehensive, competent and configurable protection at a good price. This is the best security suite out there

It isn’t cheap, but plenty of features and top quality propel this printer to the top of the pile

A broad and likeable package, but needs better malware detection.

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

A powerful card at a competitive price – a deserved victory to cap ATI’s remarkable turnaround

An irritating package without a future.

An improvement on last year’s package, but sadly still flawed.

Lighter than ever, but its all-round performance isn’t quite first class.

Breathtakingly lightweight, but detection rates could be better.

A great desktop drive but you can get this capacity and similar performance for less

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

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