Answers are grounded in this paper and cite their sources.
As a technique for authentication through untrusted public Internet terminals, photographic authentication relies on a person's ability to recognize personal photographs. The results from the authors' study demonstrate that this technique can reasonably withstand replay attacks, a common vulnerability of many existing techniques.
No takes yet. Share an insight, caveat, or question.
Pering et al. (2003) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: