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Password Entropy Definition: Password entropy refers to the measure of the randomness and unpredictability of a password, typically calculated based on the length and complexity of the characters used.
Password entropy refers to the measure of the randomness or unpredictability of a password. It indicates the strength of a password based on the variety and complexity of characters it contains. Passwords with higher entropy are considered more secure as they are harder for attackers to guess through brute force or dictionary attacks. A password with greater entropy is typically longer and includes a mix of uppercase and lowercase letters, numbers, and special characters.