The system you`ll use, will be nearly safe as a tresor if you make my rules to yours: 1. Use a self built system 2. Use the storage only for data 3. Use a life file system as knoppix for surfing if not possible use asource to get a kernel you need for make a small linux ure own. 4. Never, ever, use Windows as a save system Only your grandmother is safe looking out of the window to the street, be sure.