MacZine
The MacTech Solutions Newsletter
Topic · 7 articles

DFARS

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

031Issue Nº

What Actually Makes a File CUI

CUI is a government designation, not a judgment you make on a file's contents. How marking, derivative marking, and decontrol actually work.

September 1, 2026
030Issue Nº

Read the Solicitation's Compliance Clauses Before You Bid

Compliance cost gets decided at bid or no-bid, not after award. A front-to-back read of the clauses, DD-254, and Section L/M that actually price it.

August 31, 2026
022Issue Nº

Can You Put CUI in an AI Tool? Read the Cloud Clause First

The DFARS clause that governs cloud service providers already answers whether CUI can go into an AI tool - most of the commercial tier fails it.

August 19, 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
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
007Issue Nº

DoD Paused CMMC Phase 2. Your Subcontract Flow-Down Didn't.

DoD suspended CMMC Phase 2's federal clause, but a prime's subcontract requirement is a separate instrument - and it doesn't lift itself.

July 30, 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