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A graphical password or graphical user authentication is a form of authentication using images rather than letters, digits, or special characters. The type of images used and the ways, in which users interact with them vary between implementations.
A strong password is your first line of defense against intruders and imposters. Here are some helpful tips on creating a secure password so you can make sure your information remains safe. Create a strong password • Use unique words - Don't use obvious words like "password". • Have 12 or more characters - Longer passwords are more secure.
Systems that use passwords for authentication must have some way to check any password entered to gain access. If the valid passwords are simply stored in a system file or database, an attacker who gains sufficient access to the system will obtain all user passwords, giving the attacker access to all accounts on the attacked system and possibly other systems where users employ the same or ...
Here are the most common password mistakes: Using personal information as part of a password – If you’re using a name, word or phrase that people associate with you as part of your passwords ...
A munged password (pronounced / ˈ m ʌ n dʒ /) refers to the practice of creating a password with common replacement strategies. [1] For example, replacing 'S' with '$' or '5' in a password. Alternatively, it can be seen as an application of Leet speak .
The simplest example of a challenge-response protocol is password authentication, where the challenge is asking for the password and the valid response is the correct password. An adversary who can eavesdrop on a password authentication can authenticate themselves by reusing the intercepted password. One solution is to issue multiple passwords ...
The easier a password is for the owner to remember generally means it will be easier for an attacker to guess. [12] However, passwords that are difficult to remember may also reduce the security of a system because (a) users might need to write down or electronically store the password, (b) users will need frequent password resets and (c) users are more likely to re-use the same password ...
Before you attempt another image challenge, clear the cache on your web browser. If you're still prompted to retake the image challenge multiple times a day, you might have a more serious issue. Check out the Security Center for info about recommended antivirus software and reset your password to make sure it's secure.