Secure authentication is important for any online service that handles personal or financial information. Features such as multi-factor authentication, strong passwords, and secure session management can help reduce unauthorized access.
Government portals are another useful example of why login security and clear account-recovery instructions matter. For Canadians accessing tax information, the official CRA sign-in page explains the available login methods and account recovery options.
What security practices do you think are most important when developing a reliable login system?