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1 issued patent owned by Michael Iannamico

Graphical Password, Authentication System, Challenge Response,
Offer Amount Sought
Non-exclusive license Contact owner
Priority date
Jul 26, 2013
Expiration date
May 8, 2033
Forward references
An authentication system is presented that relies on an arrangement of positions defined through a positional matrix to determine the order in which two or more sets of images are extracted from a file structure and presented to a user through the mutually parallel rows or columns of a selection mechanism during the administration of an authentication challenge without revealing the images that are selected by the user.
Country Status Patent or Application Number
United States Issued Patent US8918851B1
Issued Patents
Pending Applications only
Author of Pretty Good Privacy (PGP encryption) User Guide and cited in numerous security related patents.
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