How damaging is today's spyware? Edward Mandla watches the watchers.

Will a beefed-up firewall, User Account Control and disk encryption make Vista a safer choice than XP?

Spammers will turn to spyware in response to government regulations and technology upgrades, according to security vendor SurfControl.

Do you have a business or are in charge of a business’ tech security? Get some tips from PC Authority’s experts.

How can parents ensure that their children do not inadvertently or deliberately encounter content they feel is inappropriate?

You had mail.

Gnutella was first introduced by Nullsoft in March 2000. If the name Nullsoft rings a bell, it may well be because it is also the creator of Winamp, the most popular software MP3 player on the Interne

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.

P2P site complains to police about 'illegal' tactics.

Signature-based security unable to cope with 'zero-minute' threats.

Norton AntiVirus (NAV) remains the world’s most popular anti-virus program -and for good reason. It is the ideal set-and-forget anti-virus protection that is as close to idiot-proof as anyone has yet got. However, it is not the cheapest and some of its competitors, such as PC-cillin now offer more for the money.

It's always a bonus to uncover a shortcut or program enhancement, and here we bring you 100 tips and tricks that we hope will make your computing experience quicker, simpler or more rewarding.

We've searched every corner of the web for the most useful (and useless) sites you've never seen. Download free movies and music, find the cheapest shopping sites, get a degree, make money, walk on Mars and much more.