A password puzzle focuses on finding a password to a challenge.

A password puzzle focuses on finding a password to a challenge.

Password are strings of symbols that are used to protect information. Usually only a select number of people know it.

Unlike real-world passwords, here, on Puzzling.SE, clues are usually given to enable the solver to determine the password.

The strength of a password is a measure of how difficult the password is to 'crack', i.e. how many trial and errors are needed to determine an unknown password.

This site does not claim to provide any security on passwords. For a more rigorous approach to information security, please see: