https://www.rocket.chat/defense-us
Secure Defense Communications Platform | Rocket.Chat
Secure communications for defense with DoD ATO up to IL6. Deploy on-prem, air-gapped, or secure cloud. Trusted by federal agencies.
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https://www.executivebiz.com/articles/nokia-federal-cmmc-lvl-2
Nokia Federal Earns CMMC Level 2 to Support Secure Defense Communications - ExecutiveBiz
Mar 26, 2026 - CMMC Level 2 is designed for contractors handling controlled unclassified information.
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https://www.frequentis.com/en/defense-usa/secure-communications?scroll=article-17
Secure Communications Solutions for Defense USA | Frequentis
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