Beyond Encryption Mailock for M365 is a commercial email encryption solution by Beyond Encryption. Nightfall Data Encryption is a commercial email encryption solution by Nightfall AI. Features, integrations, deployment and the company behind each one, side by side.
AES-256 encrypted email add-on for M365 with auth & revocation.
AI-powered email encryption solution for compliance with HIPAA, FINRA, FERPA
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Common questions when comparing Beyond Encryption Mailock for M365 vs Nightfall Data Encryption for email encryption.
Beyond Encryption Mailock for M365: AES-256 encrypted email add-on for M365 with auth & revocation. Built by Beyond Encryption.
Nightfall Data Encryption: AI-powered email encryption solution for compliance with HIPAA, FINRA, FERPA. Built by Nightfall AI.
The table above shows where their features, integrations, deployment and company size fit differ.
Beyond Encryption Mailock for M365 is made by Beyond Encryption. Nightfall Data Encryption is made by Nightfall AI. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Beyond Encryption Mailock for M365 and Nightfall Data Encryption are both Email Encryption products. Use the table above to see where features, deployment and company size fit differ.
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Updated 2026-11-02
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