The operating system must prevent the use of dictionary words for passwords.

STIG ID: SRG-OS-000480-GPOS-00225  |  SRG: SRG-OS-000480 |  Severity: medium |  CCI: CCI-000366 |  Vulnerability Id: V-203778 | 

Vulnerability Discussion

If the operating system allows the user to select passwords based on dictionary words, then this increases the chances of password compromise by increasing the opportunity for successful guesses and brute-force attacks.

Check

Verify the operating system prevents the use of dictionary words for passwords. If it does not, this is a finding.

Fix

Configure the operating system to prevent the use of dictionary words for passwords.