An administrator thinks the UNIX systems may be compromised, but a review of system log files
provides no useful information. After discussing the situation with the security team, the
administrator suspects that the attacker may be altering the log files and removing evidence of
intrusion activity. Which of the following actions will help detect attacker attempts to further alter
log files?

A.
Enable verbose system logging

B.
Change the permissions on the user’s home directory

C.
Implement remote syslog

D.
Set the bash_history log file to “read only”

Explanation: