MacZine
The MacTech Solutions Newsletter
Topic · 7 articles

CUI

Every MacZine article on CUI, newest first - written, reviewed and versioned in the open.

018Issue Nº

A C3PAO Validates the Evidence Problem Behind Vault-Codex

A CMMC assessor's letter of support confirms the documentation and evidence-management problem is real - and where MacTech Vault-Codex fits.

August 14, 2026
016Issue Nº

EnclaveWatch: Monitoring a CUI Vault Without Draining It

Continuous monitoring usually means shipping logs somewhere central. Inside a CUI boundary that is the one thing you should not do. EnclaveWatch inverts it.

August 12, 2026
014Issue Nº

FIPS 140-3 Is the Control That Fails Quietly

Encryption that is strong is not the same as encryption that is validated. The distinction costs 5 SPRS points and it is invisible until an assessor looks.

August 10, 2026
011Issue Nº

The 72-Hour Clock in DFARS 252.204-7012, Hour by Hour

DFARS 7012 gives you 72 hours to report a cyber incident to DoD. Walking the clock hour by hour shows where contractors actually lose the time.

August 5, 2026
010Issue Nº

Enclave or Whole Network? The Scoping Decision, Priced

Scoping CMMC Level 2 to a CUI enclave or to your whole network is a cost decision disguised as an architecture decision. Here is how the two actually compare.

August 4, 2026
003Issue Nº

Freehold: Secure Comms You Hold Outright

Peer-to-peer encrypted chat, calls and 2 GB file transfer for small DIB teams - post-quantum, air-gap ready, 800-171 evidence built in. Free, open source.

July 22, 2026
002Issue Nº

The First 90 Days of a CMMC Level 2 Program

A practitioner's sequence for the first 90 days of CMMC Level 2: scope the CUI boundary, baseline against NIST 800-171, and start evidence discipline early.

July 21, 2026