It is best practice that password policies combine dictionaries, with password length requirements (at least 15 characters), and length-based password aging. The password deny list contains several billion passwords, and is regularly updated in response to new password leaks. Specops Password Policy supports custom dictionaries, and also has a leaked password protection add-on. This means checking future passwords against such dictionaries, and preventing users from selecting passwords that are susceptible to attacks. The best protection against a dictionary attack is using a dictionary during the password creation process. Hackers are not the only ones who can take advantage of password predictability. Password dictionary overview and best practiceĪs long as users continue using common/predictable passwords, dictionary attacks will continue to work.
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