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Ubuntu 22.04 LTS must enforce password complexity by requiring at least one uppercase character be used.

An XCCDF Rule

Description

Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks. Password complexity is one factor of several that determines how long it takes to crack a password. The more complex the password, the greater the number of possible combinations that need to be tested before the password is compromised.

ID
SV-260560r1015012_rule
Version
UBTU-22-611010
Severity
Medium
References
Updated

Remediation Templates

A Manual Procedure

Configure Ubuntu 22.04 LTS to enforce password complexity by requiring that at least one uppercase character be used.  
 
Add or modify the following line in the "/etc/security/pwquality.conf" file: 
  
ucredit = -1