I am assuming you have Vista?
On that basis you also have a Firewall as well as Defender with Vista and that used alongside AVG will certainly help to keep you free from attack.
In addition you probably also have a firewall on your router.
WPA2 hack: How secure is your Wi-Fi?
HP’s new Surface Pro rival is designed specifically for Adobe-using designers and artists
Best kids apps for iPhone & iPad
Que faire si son iPhone ou iPad est tombé dans de l'eau ?