Ifølge PCWelt.de så er der en alvorlig fejl i Microsofts Service Pack 2 til Windows XP, der tillader en hvilken som helst at kigge på indholdet i din PC.
As soon as you install SP2 on a Windows XP PC with a certain configuration, your file and printer sharing data are visible worldwide, despite an activated Firewall. This also applies to all other services. The PC only has to provide sharing for an internal local network and connect to the Internet via dial-up or ISDN. Users of DSL services are also affected, if a firewall is not integrated into the DSL modem or a common modem instead of a DSL router is used. Additionally, Internet Connection Sharing of the PC has to be disabled. Læs mere på PCWelt.de (på englesk..): http://www.pcwelt.de/know-how/extras/103039/