PC Pro reported on a study run by Microsoft Study and Carnegie Mellon College, which calculated the dependability and safety of the concerns that the 4 most popular webmail providers use to reset account passwords. AOL, Google, Microsoft, and Yahoo all depend on personal questions to authenticate users who have overlooked their passwords. The research found that the "secret questions" utilized by all 4 webmail companies were insufficiently dependable authenticators, and that the safety of individual query appears a lot weaker than passwords themselves. Yahoo claims to have updated all their personal questions in response to this research, but AOL, Google, and Microsoft have yet to make any altered.
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