This also posted in the spyware forum but as there's people not going there and this is serious enough to take notice:
A serious security leak has been discovered in various version of Norton Antivirus.
http://xforce.iss.net/xforce/alerts/id/187
This allows anyone with the right skills to take total control over your computer.
All users should install the patch from Symantec ASAP or switch to another product.