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Implement Proper Password Strength Controls ¶Ī key concern when using passwords for authentication is password strength. IDP / AD) used internally for unsecured access (e.g.

Do NOT use the same authentication solution (e.g.

accounts that can be used internally within the solution such as to a back-end / middle-ware / DB) to any front-end user-interface

Do NOT allow login with sensitive accounts (i.e.

Authentication Solution and Sensitive Accounts ¶ Email address as a User ID ¶įor information on validating email addresses, please visit the input validation cheatsheet email discussion. For high-security applications, usernames could be assigned and secret instead of user-defined public data. User 'smith' and user 'Smith' should be the same user. Make sure your usernames/user IDs are case-insensitive. Authentication General Guidelines ¶ User IDs ¶ The Session Management Cheat Sheet contains further guidance on the best practices in this area. Sessions should be unique per user and computationally very difficult to predict. Sessions are maintained on the server by a session identifier which can be passed back and forth between the client and server when transmitting and receiving requests. This is required for a server to remember how to react to subsequent requests throughout a transaction. Session Management is a process by which a server maintains the state of an entity interacting with it. Authentication in the context of web applications is commonly performed by submitting a username or ID and one or more items of private information that only a given user should know.

Insecure Direct Object Reference PreventionĪuthentication Cheat Sheet ¶ Introduction ¶Īuthentication is the process of verifying that an individual, entity or website is whom it claims to be. Use of authentication protocols that require no password

Require Re-authentication for Sensitive FeaturesĬonsider Strong Transaction Authentication Transmit Passwords Only Over TLS or Other Strong Transport Implement Secure Password Recovery MechanismĬompare Password Hashes Using Safe Functions Implement Proper Password Strength Controls Authentication Solution and Sensitive Accounts