Information
Defines the minimum number of alphabetic characters in a password.
In setting the minalpha attribute, it ensures that passwords have a minimum number of alphabetic characters.
Solution
In/etc/security/user, set the default user stanza minalpha attribute to be greater than or equal to 2-
chsec -f /etc/security/user -s default -a minalpha=2
This means that there must be at least 2 alphabetic characters within an 8 character user password.