| Recipe 55 | Validating Password Strength |
Task
Suppose your task is to check whether the passwords entered by users when signing up for a user account on your website are resistant to guessing or brute-force attacks. Usually, companies establish a password policy that outlines the criteria for creating and using passwords, which set requirements such as:
- Having a minimum length of 8 characters or more
- Containing both uppercase and lowercase letters
- Containing one or more numerical digits
- Containing special characters like @, #, $, etc
- Forbidding words listed in the password blocklist
- Forbidding words related to the user’s personal information
- Forbidding the use of the company name or its abbreviation
- Forbidding passwords that match the date of birth, license ...
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