Django contains a set of default password validators:
- UserAttributeSimilarityValidator ensures that any password that's chosen is not too similar to certain attributes of the user. By default, the similarity ratio is set to 0.7 and the attributes that are checked are the username, first and last name, and email address. If any of these attributes contains multiple words, each word is checked independently.
- MinimumLengthValidator checks that the password that's entered is at least the minimum number of characters in length. By default, passwords must be eight or more characters long.
- CommonPasswordValidator refers to a file containing a list of passwords that are often used, and hence are insecure. The list Django uses by ...