Ensure the Logon Failure Delay is Set Correctly in login.defs

Description

To ensure the logon failure delay controlled by /etc/login.defs is set properly, add or correct the FAIL_DELAY setting in /etc/login.defs to read as follows:

FAIL_DELAY 

Rationale

Increasing the time between a failed authentication attempt and re-prompting to enter credentials helps to slow a single-threaded brute force attack.