MacZine
The MacTech Solutions Newsletter
Topic · 9 articles

NIST 800-171

Every MacZine article on NIST 800-171, newest first - written, reviewed and versioned in the open.

019Issue Nº

The CMMC Levels Are Not a Ladder, and Only One Requires a Pen Test

Level 1, 2, and 3 test different things on different clocks. Only one requires a penetration test - here is which, and why the other two do not.

August 1, 2026
017Issue Nº

Your Training Records Are Compliance Evidence. Are They?

Three CMMC controls turn security awareness training into an evidence problem. Most organizations do the training and fail the control anyway.

August 13, 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
012Issue Nº

RMF and CMMC Are Not the Same Program. Run Them as One.

RMF authorizes a system, CMMC certifies a contractor. They ask overlapping questions in different vocabularies - and paying twice is the mistake.

August 6, 2026
009Issue Nº

The System Security Plan an Assessor Actually Reads

Most SSPs are written to be filed, not read. Here is how a C3PAO assessor moves through the document, and what they are checking at each stop.

August 3, 2026
008Issue Nº

How Your SPRS Score Is Actually Calculated

The DoD Assessment Methodology scores 110 controls on a 5/3/1 weighting and bottoms out at -203. Here is the arithmetic, and how a CO reads it.

July 31, 2026
005Issue Nº

CMMC Phase 2 Is Paused. Your Compliance Clock Isn't.

DoD paused CMMC Phase 2 certification to review the program - the DFARS and NIST 800-171 obligations under it did not. What to do during the review.

July 28, 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