One thing to remember NTFS will on encrypted files without that key you are up Z creek without Z paddle, if someone wants to do backup in XP there is a program on the disk called Valueadd folder. there are 3rd party programs also out there. for the person who has not read the COMP TIA A+ Program there is a reason NTFS was created to make it more secure against espionage. same reason when you do your business on line for a secured session. also if you have no protection such as a security set from Firewall to Virus Scan, a virus will latch onto anything and will jump back on the Hard Drive. and you is a sitting duck !