®Manual encryption
®Completely provided by the user
®Demands userÕs active
participation
®Risky, but reliable
®Transparent encryption
®Performed at low-level during ALL operations
permanently
®Difficult to implement correctly
®Generally doesnÕt work
well with networking
®Easy to use, most secure
®Semi-Transparent (ÒOn
the Fly encryptionÓ)
®Operates not permanently, but before/after access
®May cause degradation of computerÕs
efficiency
®If data to be encrypted is too great, can cause loss of
data
®http://services.devadvisers.net/cryprite/042ETYPE.HTM