Why is it important to be able to identify users by their username?

Why is it important to be able to identify users by their username What role does a password play in identifying users?

Passwords provide the first line of defense against unauthorized access to your computer and personal information. The stronger your password, the more protected your computer will be from hackers and malicious software. You should maintain strong passwords for all accounts on your computer.

Why is it important to choose your username carefully?

Without much difficulty, they can capture information from groups and websites you belong to, and possibly even access your browser history. Often this data also leads to your social networking sites, which gives them pretty much everything else they need, including clues to your passwords.

Why is it important for users to have a login?

Login creates a user account. This means that users are uniquely identifiable within your product. For users this frequently means that they can see their own profile and information, change that information, and keep track of what are the identifiers on their account (profile picture, username, etc.)

Is username important for security?

The exposure of a person's username may not sound very risky, but it can trigger a cascade of security failures, each of which opens the door to account hijacking, identity theft or financial damage.