Detecting local graphic password deciphering attacks

摘要: A mechanism for using a graphic password test while providing the ability detecting attempts by programs to decipher malicious attack is disclosed. An access module provides prompt an entity attempting protected resource. image-substitution first or second image (images display and password, respectively). programmatic interface that displayed on computer screen can be modified periodically provide program different from human user. receiving receives in response determination determines if password. When received, it likely malware attempt at bypassing test. analysis responds e.g., collecting information about attempted access.