Tanium must automatically lock accounts and require them be unlocked by an administrator when three unsuccessful login attempts in 15 minutes are exceeded.

Tanium must automatically lock accounts and require them be unlocked by an administrator when three unsuccessful login attempts in 15 minutes are exceeded.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-254861	TANS-OS-000985	SV-254861r866124_rule		Medium

Description
By limiting the number of failed login attempts, the risk of unauthorized system access via user password guessing, otherwise known as brute forcing, is reduced. Limits are imposed by locking the account.

STIG	Date
Tanium 7.x Operating System on TanOS Security Technical Implementation Guide	2022-10-31

Details

Check Text ( C-58474r866122_chk )
1. Log in to Tanium interactively as a TanAdmin user. 2. Type "A" for "Appliance Configuration Menu". 3. Type "A" for Security. 4. Type "P" for Security Policy. 5. The section for "Account lockout:" should read "0 seconds after 3 failures". If the section reads anything else, this is a finding.

Fix Text (F-58418r866123_fix)
1. Log in to Tanium interactively as a TanAdmin user. 2. Type "A" for "Appliance Configuration Menu". 3. Type "A" for "Security". 4. Type "P" for "Security Policy". 5. Type "Account Lockout Time". 6. Set the account lockout time to "0". Note: The time range for the three failures to occur is 15 minutes by default and cannot be configured otherwise.