r/CMMC↗
**Members seeking information, guidance, and assistance for meeting the new DoD CMMC rating guidelines.** Read the CMMC **final** Rule here: [32 CFR 170 CMMC](https://www.federalregister.gov/documents/2024/10/15/2024-22905/cybersecurity-maturity-model-certification-cmmc-program) Join Us on Discord: https://discord.gg/tpbF54E **Sister subs:** /r/NISTControls /r/GovIT /r/AzureGov
13k subscribers73 posts / mo in Sep 2026 (incl. ~3% by known bots)57 authors / mosince 2019
r/CMMC has 13k members (+54% over the last 12 months). It gets about 73 posts a month from 57 people. Top topics: Crypto Tracking Platforms, Microsoft Management Solutions and Exchange and Office 365 Migration.
When to post on r/CMMC
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How r/CMMC has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/CMMC
Top topics
Share of the subreddit's posts
- Crypto Tracking Platforms1.6%
- Microsoft Management Solutions1.2%
- Exchange and Office 365 Migration1.0%
- Microsoft MFA & Office0.9%
- Cybersecurity Politics & Policy0.9%
Brands people mention
Most-mentioned brands and sites, last 12 months
- Microsoft
- NIST
- SAM
- eCFR
Everything else about r/CMMC
Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research