NIST SP 800-171 & CMMC 2.0 Control 3.5.9 Requirement:
Allow temporary password use for system logons with an immediate change to a permanent password.
NIST SP 800-171 & CMMC 2.0 3.5.9 Requirement Explanation:
Temporary passwords often follow a consistent style (e.g., ChangeMe2020!), this means that they can be more easily guessed by an attacker. If users are forced to change their password upon receiving a temporary one you can reduce this risk. For added security you can provide employees with a randomly generated password when they request a password reset.
Example NIST SP 800-171 & CMMC 2.0 3.5.9 Implementation:
When providing a temporary password to a user, set their account to require a password reset upon login. An example of when this will need to be done is when providing a password to a new employee or when an employee requests a password reset.
NIST SP 800-171 & CMMC 2.0 3.5.9 Scenario(s):
- Scenario 1:
John has requested a new password. Alice resets his password and sets his account to require a new password upon login. Alice provides John with the password, when John logs in he is required to set a new one.
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