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Chapter 2. Knock, Knock. Who’s There? > Attack Details: Failed Authentication
Attack Details: Failed Authentication
The Palin attack succeeded because the Yahoo email system did not distinguish a real user from an imposter. Such an attack is called impersonation or failed authentication.
A computer system does not have the cues we do with face-to-face communication that let us recognize our friends. Instead computers depend on data to recognize others. Determining who a person really is consists of two separate steps:
