# Beyond Encryption Mailock for M365 vs Nightfall Data Encryption: side-by-side comparison (2026) [Beyond Encryption Mailock for M365](https://cybersectools.com/tools/beyond-encryption-mailock-for-m365) is a commercial [email encryption](https://cybersectools.com/categories/email-encryption) solution by [Beyond Encryption](https://cybersectools.com/companies/beyond-encryption). [Nightfall Data Encryption](https://cybersectools.com/tools/nightfall-data-encryption) is a commercial [email encryption](https://cybersectools.com/categories/email-encryption) solution by [Nightfall AI](https://cybersectools.com/companies/nightfall-ai). Features, integrations, deployment and the company behind each one, side by side. ## Side-by-side comparison | | Beyond Encryption Mailock for M365 | Nightfall Data Encryption | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Email Encryption | Email Encryption | | Verified | No | No | | Deployment type | Cloud | Cloud | | Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | Beyond Encryption | Nightfall AI | | Headquarters | – | – | ### Use cases and capabilities | | Beyond Encryption Mailock for M365 | Nightfall Data Encryption | |---|---|---| | Encryption | Yes | – | | Microsoft 365 | Yes | – | | Outlook | Yes | – | | Microsoft | Yes | – | | PII | – | Yes | | Browser Security | – | Yes | ### Core features **Beyond Encryption Mailock for M365** 10 features listed. Sign in on the page to see them. **Nightfall Data Encryption** 10 features listed. Sign in on the page to see them. ### Integrations **Beyond Encryption Mailock for M365** 5 integrations listed. Sign in on the page to see them. **Nightfall Data Encryption** 5 integrations listed. Sign in on the page to see them. ## Beyond Encryption Mailock for M365 vs Nightfall Data Encryption FAQ Common questions when comparing Beyond Encryption Mailock for M365 vs Nightfall Data Encryption for email encryption. ### What is the difference between Beyond Encryption Mailock for M365 and Nightfall Data 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. ### Who makes Beyond Encryption Mailock for M365 and Nightfall Data Encryption? **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. ### Is Beyond Encryption Mailock for M365 a good alternative to Nightfall Data Encryption? 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. ## Related comparisons - [Beyond Encryption Mailock for M365 vs Honeycake Email](https://cybersectools.com/compare/beyond-encryption-mailock-for-m365-vs-honeycake-email) - [Beyond Encryption Mailock for M365 vs Beyond Encryption Mailock for Outlook](https://cybersectools.com/compare/beyond-encryption-mailock-for-m365-vs-beyond-encryption-mailock-for-outlook) - [Beyond Encryption Mailock for M365 vs Beyond Encryption Mailock Enterprise](https://cybersectools.com/compare/beyond-encryption-mailock-enterprise-vs-beyond-encryption-mailock-for-m365) - [Nightfall Data Encryption vs Honeycake Email](https://cybersectools.com/compare/honeycake-email-vs-nightfall-data-encryption) - [Nightfall Data Encryption vs Beyond Encryption Mailock for Outlook](https://cybersectools.com/compare/beyond-encryption-mailock-for-outlook-vs-nightfall-data-encryption) - [Nightfall Data Encryption vs Beyond Encryption Mailock Enterprise](https://cybersectools.com/compare/beyond-encryption-mailock-enterprise-vs-nightfall-data-encryption) ## Alternatives to each - [See all Beyond Encryption Mailock for M365 alternatives](https://cybersectools.com/alternatives/beyond-encryption-mailock-for-m365) - [See all Nightfall Data Encryption alternatives](https://cybersectools.com/alternatives/nightfall-data-encryption) --- Source: https://cybersectools.com/compare/beyond-encryption-mailock-for-m365-vs-nightfall-data-encryption For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/beyond-encryption-mailock-for-m365.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Beyond Encryption Mailock for M365 and Nightfall Data Encryption: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md