What is password?

Password

A password is a secret word or string of characters that is used for user authentication to prove identity, or for access approval to gain access to a resource (example: an access code is a type of password). The password should be kept secret from those not allowed access. The use of passwords is known to be ancient. Sentries would challenge those wishing to enter an area or approaching it to supply a password or watchword, and would only allow a person or group to pass if they knew the password. In modern times, user names and passwords are commonly used by people during a log in process that controls access to protected computer operating systems, mobile phones, cable TV decoders, automated teller machines (ATMs), etc. A typical computer user has passwords for many purposes: logging in to accounts, retrieving e-mail, accessing applications, databases, networks, web sites, and even reading the morning newspaper online.

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Some articles on password:

List Of Late Night With Jimmy Fallon Sketches - Recurring Segments Featuring Celebrity Guests - Password
... After showing a brief clip of the original black-and-white Password from the 1960s (originally hosted by Allen Ludden, Betty White's husband), Jimmy played Betty (along with two audience members) in a game of Password hosted by Higgins on a recreation of the original Password set ... Jimmy later teamed up with Robert De Niro to play against Bradley Cooper and an audience member ...
Last Pass Password Manager - Security Breach
... is theoretically possible that data such as email addresses, the server salt, and the salted password hashes were copied from the LastPass database ... so they could be rebuilt, and on May 4, 2011, they requested all users to change their master password ... were asking users to refrain from changing their password until further notice, having judged that the possibility of the passwords themselves being compromised to be trivially small ...
History of Passwords
... Passwords or watchwords have been used since ancient times ... Passwords in military use evolved to include not just a password, but a password and a counterpassword for example in the opening days of the Battle of Normandy. 101st Airborne Division used a password — flash — which was presented as a challenge, and answered with the correct response — thunder ...
Million Dollar Password
... Million Dollar Password is an updated version of the game show Password on CBS, which was hosted by Regis Philbin and ran from June 1, 2008 to June 14, 2009 ...
Sarah Palin Email Hack - Incident
... The hacker posted the account's password on /b/, an image board on 4chan, and screenshots from within the account to WikiLeaks ... A /b/ user then logged in and changed the password, posting a screenshot of his sending an email to a friend of Palin's informing her of the new password ... However, he did not blank out the password in the screenshot ...