Details are few because the researchers are withholding the goods until an Aug. 2 presentation at the Black Hat USA 2006 conference: The two researchers--one with ISS and the other at the US Naval postgrad school--say that they have uncovered techniques that allow them to hack into a laptop through flaws in the driver software that manages the way in which the radio interprets signals and passes them to the operating system. Most horrifying? Half the flaws they found don't require the Wi-Fi adapter to be connected to a network--just active.