!!! Overview
[{$pagename}] is the concept from that is recommended by information security experts have using a unique [password] for every individual site on which [Traditional Registration] is required.


[{$pagename}] is, within a restricted [Context] part of the [Password Modification Policy]


With an average of 130 accounts registered to one [Email Address] in the [United States], it's not surprising that 73% of [users] have duplicate passwords. Expecting a [User] to remember 130 different passwords would be extremely difficult for anyone — and probably send [Password Recovery] requests through the roof.

[{$pagename}] across multiple [Password-based] services is common. According to a [2018|Year 2018] study of nearly 30 million users and their passwords, password reuse and modifications were common for 52% of users. The same study also found that 30% of the modified passwords and all the reused passwords can be cracked within just 10 guesses. This behavior puts users at risk of being victims of a [breach] [Replay attack]. Once an [Attacker] gets hold of a [Credential Leaked Databases], they can try to execute a breach replay attack. In this [attack], the actor tries out the same [credentials] on different [services] to see if there is a match.

In [2019|Year 2019] [Microsoft]'s threat research team checked over 3 [billion] [credentials] and found a match for over 44 [million] [Azure] AD and [Microsoft] Services Accounts. 

!! More Information
There might be more information for this subject on one of the following:
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* [#1] - [Is Passwordless Authentication More Secure Than Passwords?|https://auth0.com/blog/is-passwordless-authentication-more-secure-than-passwords/|target='_blank'] - based on information obtained 2019-10-14