G06F21/00
Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
G06F21/00
Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
G06F21/30
Authentication, i.e. establishing the identity or authorisation of security principals
G06F21/30
Authentication, i.e. establishing the identity or authorisation of security principals
G06F21/316
by observing the pattern of computer usage, e.g. typical user behaviour
G06F21/316
by observing the pattern of computer usage, e.g. typical user behaviour