STIGQter: STIG Summary: Tanium 7.x Operating System on TanOS Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 02 Apr 2025:

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

DISA Rule

SV-254861r1067744_rule

Vulnerability Number

V-254861

Group Title

SRG-OS-000329

Rule Version

TANS-OS-000985

Severity

CAT II

CCI(s)

• CCI-002238 - Automatically lock the account or node for either an organization-defined time period, until the locked account or node is released by an administrator, or delays the next logon prompt according to the organization-defined delay algorithm when the maximum number of unsuccessful logon attempts is exceeded.

Weight

10

Fix Recommendation

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 "L" for "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.

Check Contents

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.

Vulnerability Number

V-254861

Documentable

False

Rule Version

TANS-OS-000985

Severity Override Guidance

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.

Check Content Reference

M

Target Key

5491