US 11,941,954 B1
Replay attack detection
Alexander William Whytock, Perthshire (GB); and Conor Michael Fyfe, Carnoustie (GB)
Assigned to NCR Corporation, Atlanta, GA (US)
Filed by NCR Corporation, Atlanta, GA (US)
Filed on Jan. 31, 2023, as Appl. No. 18/103,623.
Int. Cl. G07F 19/00 (2006.01)
CPC G07F 19/207 (2013.01) [G07F 19/209 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method, comprising:
instructing a peripheral to move at least one component of the peripheral to a known state;
evaluating an image captured of the peripheral for the at least one component in the known state; and
processing at least one security operation when the evaluating indicates that the at least one component is not represented in the image in the known state.