STIGQter: STIG Summary: Cisco ISE NAC Security Technical Implementation Guide Version: 2 Release: 4 Benchmark Date: 01 Jul 2026:

The Cisco ISE must generate a log record when an endpoint fails authentication. This is This is required for compliance with C2C Step 1.

DISA Rule

SV-242589r812760_rule

Vulnerability Number

V-242589

Group Title

SRG-NET-000492-NAC-002100

Rule Version

CSCO-NC-000150

Severity

CAT II

CCI(s)

• CCI-000172 - Generate audit records for the event types defined in AU-2 c that include the audit record content defined in AU-3.

Weight

10

Fix Recommendation

If required by the NAC SSP, configure a log to be generated and sent when an endpoint has a change in posture status.

From the Web Admin portal:
1. Choose Administration >> System >> Logging >> Logging Categories.
2. Configure the "Failed Attempts" category and the Targets field to have LogCollector selected at a minimum. This is the default setting. If the environment has an additional SYSLOG server, it can be selected here as well.

Check Contents

If DoD is not at C2C Step 1 or higher, this is not a finding.
If not required by the NAC SSP, this is not a finding.

Verify that a log will be generated and sent when an Endpoint has a change in posture status.

From the Web Admin portal:
1. Choose Administration >> System >> Logging >> Logging Categories.
2. Verify the Failed Attempts has LogCollector set as a target at a minimum.

If the Failed Attempts logging category is not configured to send to the LogCollector and/or another logging target, this is a finding.

Vulnerability Number

V-242589

Documentable

False

Rule Version

CSCO-NC-000150

Severity Override Guidance

If DoD is not at C2C Step 1 or higher, this is not a finding.
If not required by the NAC SSP, this is not a finding.

Verify that a log will be generated and sent when an Endpoint has a change in posture status.

From the Web Admin portal:
1. Choose Administration >> System >> Logging >> Logging Categories.
2. Verify the Failed Attempts has LogCollector set as a target at a minimum.

If the Failed Attempts logging category is not configured to send to the LogCollector and/or another logging target, this is a finding.

Check Content Reference

M

Target Key

5383