DIFF Subgroup
G06F 21/40 by quorum, i.e. whereby two or more security principals are required
Introduced: January 2013
Full Title
Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity > Authentication, i.e. establishing the identity or authorisation of security principals > User authentication > by quorum, i.e. whereby two or more security principals are required
No child classifications to compare. This is a leaf node in both IPC and CPC.