Compliance insights, product updates, and security guidance for defense contractors.https://www.ironkeep.us/https://www.ironkeep.us/blog/what-is-nist-800-171/https://www.ironkeep.us/blog/what-is-nist-800-171/NIST 800-171 defines the 110 security controls defense contractors must implement to protect CUI. Here is what it requires, who must comply, and how it connects to CMMC.Sun, 29 Mar 2026 00:00:00 GMThttps://www.ironkeep.us/blog/active-directory-audit-cmmc-nist-800-171/https://www.ironkeep.us/blog/active-directory-audit-cmmc-nist-800-171/How to audit your Active Directory environment for CMMC Level 2 compliance. PowerShell scripts, NIST 800-171 control mapping, and a prioritized remediation framework.Sat, 28 Mar 2026 00:00:00 GMThttps://www.ironkeep.us/blog/what-does-cmmc-stand-for/https://www.ironkeep.us/blog/what-does-cmmc-stand-for/CMMC stands for Cybersecurity Maturity Model Certification. Here is what it means for defense contractors, what the levels require, and how to get started.Sat, 28 Mar 2026 00:00:00 GMThttps://www.ironkeep.us/blog/office-365-to-cmmc-compliant-email-migration/https://www.ironkeep.us/blog/office-365-to-cmmc-compliant-email-migration/You don't need GCC High to get compliant. Here's how to plan an email migration for CMMC Level 2 without rebuilding your entire Microsoft environment.Wed, 25 Mar 2026 00:00:00 GMThttps://www.ironkeep.us/blog/cmmc-level-2-email-controls-what-your-c3pao-will-ask/https://www.ironkeep.us/blog/cmmc-level-2-email-controls-what-your-c3pao-will-ask/The specific NIST 800-171 controls your C3PAO assessor will examine for your email system. Mapped to practices with what they expect to see for each one.Wed, 25 Mar 2026 00:00:00 GMThttps://www.ironkeep.us/blog/cmmc-compliant-email-pricing-2026/https://www.ironkeep.us/blog/cmmc-compliant-email-pricing-2026/Real cost comparison for a 15-person defense contractor. Licensing, migration, add-ons, and hidden costs for every CMMC-compliant email option.Wed, 25 Mar 2026 00:00:00 GMThttps://www.ironkeep.us/blog/dfars-72-hour-cyber-incident-reporting/https://www.ironkeep.us/blog/dfars-72-hour-cyber-incident-reporting/DFARS 252.204-7012 requires reporting cyber incidents to the DoD within 72 hours. Most email systems cannot support this. Here is what the clause actually requires.Wed, 25 Mar 2026 00:00:00 GMThttps://www.ironkeep.us/blog/fedramp-moderate-vs-high-email-cmmc/https://www.ironkeep.us/blog/fedramp-moderate-vs-high-email-cmmc/FedRAMP authorization levels are confusing. Here is which level your email provider needs for CMMC Level 2 and which providers actually have it.Wed, 25 Mar 2026 00:00:00 GMThttps://www.ironkeep.us/blog/cmmc-compliant-email-providers-2026/https://www.ironkeep.us/blog/cmmc-compliant-email-providers-2026/Not every email provider that claims CMMC compliance actually meets the requirements. Here is what CMMC Level 2 demands from your email system and which providers deliver.Sun, 22 Mar 2026 00:00:00 GMThttps://www.ironkeep.us/blog/encrypted-cui-is-still-cui/https://www.ironkeep.us/blog/encrypted-cui-is-still-cui/Encrypting Controlled Unclassified Information does not remove its control designation. Here is what 32 CFR Part 2002 actually says and what it means for your CMMC compliance.Sat, 21 Mar 2026 00:00:00 GMThttps://www.ironkeep.us/blog/cmmc-compliant-email-for-small-business/https://www.ironkeep.us/blog/cmmc-compliant-email-for-small-business/Most small defense contractors overpay for compliant email or use tools that don't meet the requirements. Here's what CMMC actually requires and how to evaluate your options.Sat, 28 Feb 2026 00:00:00 GMT