ACSC Essential EightCMMC 2.0

ACSC Essential Eight covers 20% of CMMC 2.0

22 of the 110 controls in CMMC 2.0 are already satisfied by evidence you collected for ACSC Essential Eight. 88 are genuine gaps. Every claim below was judged against both control sets and then argued against; the ones that did not survive are published further down with the reason each failed.

20%
of the target already covered
22
controls evidenced
88
genuine gaps
0
claims rejected in review

This number is directional. It says how much of CMMC 2.0 your ACSC Essential Eight evidence satisfies. The reverse pair is a different number, often very different, because a security standard has enormous depth for access control and almost none for lawful basis or data subject rights.

57 candidate mappings were examined and 0 were removed. Signed off 2026-08-19, review level machine verified. Mappings were judged by Claude Code rather than read line by line by a practitioner. Every claim shows its reasoning so you can check it. Ask and a practitioner will review this pair.

Where the gaps are

Coverage is never evenly spread. A source standard usually satisfies one part of a target almost completely and barely touches another, and which part is which is the thing worth knowing before you plan the work.

Risk Assessment2 of 3 evidenced, 1 to do
Configuration Management5 of 9 evidenced, 4 to do
Audit and Accountability3 of 9 evidenced, 6 to do
Incident Response1 of 3 evidenced, 2 to do
System and Information Integrity2 of 7 evidenced, 5 to do
Identification and Authentication3 of 11 evidenced, 8 to do
Access Control3 of 22 evidenced, 19 to do
System and Communications Protection2 of 16 evidenced, 14 to do
Media Protection1 of 9 evidenced, 8 to do
Awareness and Training0 of 3 evidenced, 3 to do
Security Assessment0 of 4 evidenced, 4 to do
Maintenance0 of 6 evidenced, 6 to do
Physical Protection0 of 6 evidenced, 6 to do
Personnel Security0 of 2 evidenced, 2 to do

Theme level, not control level, deliberately. The per-control list of what is evidenced and what is a gap is the report itself, so publishing it here would be publishing the thing being sold.

Claims that held

A sample. Each one names the control whose evidence does the work, the control it satisfies, and why.

E8-ADMIN-ML3AC.L2-3.1.5argued against and upheld
Least Privilege

Privileged access for users and services is limited to only what their duties require.

E8-ADMIN-ML2AC.L2-3.1.5argued against and upheld
Least Privilege

Privileged access is revalidated at 12 months and removed after 45 days of inactivity.

E8-ADMIN-ML1AC.L2-3.1.6argued against and upheld
Non-Privileged Account Use

Privileged accounts are used solely for privileged duties, with separate unprivileged accounts for other work.

E8-ADMIN-ML2AC.L2-3.1.7argued against and upheld
Privileged Functions

Privileged access events are centrally logged.

E8-ADMIN-ML1AC.L2-3.1.7argued against and upheld
Privileged Functions

Unprivileged user accounts cannot log on to privileged operating environments.

E8-ADMIN-ML2AU.L2-3.3.1argued against and upheld
System Auditing

Privileged access and account management events are centrally logged and retained for analysis.

E8-UAH-ML3AU.L2-3.3.1argued against and upheld
System Auditing

PowerShell module, script block and transcription logs are created and centrally collected.

E8-APP-ML3AU.L2-3.3.5argued against and upheld
Audit Correlation

Event logs from servers and workstations are analysed in a timely manner to identify incidents.

Claims that did not hold

Nothing proposed for this pair was rejected in review. That is unusual and worth knowing rather than hiding: it means the candidate set was small and every candidate held.

The full report

Everything above is a sample. The report is every evidenced control and every gap, with the reasoning and the source document behind each one, in a form you can hand to an assessor. $299, emailed immediately.

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