Title

Successful and unsuccessful logins and logouts must be logged. (Cat II impact)

Discussion

Monitoring and recording successful and unsuccessful logins assists in tracking unauthorized access to the system. Without this logging, the ability to track unauthorized activity to specific user accounts may be diminished.

Check Content

Determine if all logon attempts are being logged. Procedure: Verify successful logins are being logged: # last -R | more If the command does not return successful logins, this is a finding. Verify if unsuccessful logons are being logged: # lastb -R | more If the command does not return unsuccessful logins, this is a finding.

Fix Text

Make sure the collection files exist. Procedure: If there are no successful logins being returned from the "last" command, create /var/log/wtmp: # touch /var/log/wtmp If there are no unsuccessful logins being returned from the "lastb" command, create /var/log/btmp: # touch /var/log/btmp

Additional Identifiers

Rule ID: SV-44830r1_rule

Vulnerability ID: V-765

Group Title: GEN000440

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.