look in your bios for 'wake on ring' etc and set to disable maybe.
was the computer on standby? check your mouse is not set to bring the computer out of standby.i can turn on my computer just by walking into the room if my mouse is set so :-)
WPA2 hack: How secure is your Wi-Fi?
Add Depth Of Field to a photo using Tilt Shift Blur in Photoshop
iPhone tips & tricks
Comment afficher des fichiers cachés sur Mac ?