# Hoplite Artemis Web and Mail vs Microsoft Defender for Office 365: side-by-side comparison (2026) [Hoplite Artemis Web and Mail](https://cybersectools.com/tools/hoplite-artemis-web-and-mail) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [Hoplite Industries](https://cybersectools.com/companies/hoplite-industries). [Microsoft Defender for Office 365](https://cybersectools.com/tools/microsoft-defender-for-office-365) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [Microsoft](https://cybersectools.com/companies/microsoft). Features, integrations, deployment and the company behind each one, side by side. ## Our take What our shortlists say about the one we picked. ### [Microsoft Defender for Office 365](https://cybersectools.com/tools/microsoft-defender-for-office-365) Best for: Teams running Microsoft 365 It is on the list because it is built into Microsoft 365, and many companies already own it through their license, so the buying question is often settled before you start. That makes it the natural first layer if you run Microsoft 365. Decide whether it covers your risk alone or needs a second product beside it, since it is built to work with other email security products. From [Best Email Security Solutions for Business](https://cybersectools.com/shortlists/best-email-security-platforms), Fall 2026. Reviewed by [Nika (Nikoloz) Kokhreidze](https://cybersectools.com/about). Need the answer fast? [Best Email Security Solutions for Business](https://cybersectools.com/shortlists/best-email-security-platforms) picks Proofpoint Core Email Protection, Microsoft Defender for Office 365, Mimecast Advanced Email Security and 4 more. ## Side-by-side comparison | | Hoplite Artemis Web and Mail | Microsoft Defender for Office 365 | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Email Security Platforms | Email Security Platforms | | Verified | No | No | | Deployment type | Hybrid | Cloud | | Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | Hoplite Industries | Microsoft | | Headquarters | – | – | ### Use cases and capabilities | | Hoplite Artemis Web and Mail | Microsoft Defender for Office 365 | |---|---|---| | Web Security | Yes | – | | Microsoft 365 | – | Yes | ### Core features **Hoplite Artemis Web and Mail** 6 features listed. Sign in on the page to see them. **Microsoft Defender for Office 365** 10 features listed. Sign in on the page to see them. ### Integrations **Hoplite Artemis Web and Mail** No integrations listed. **Microsoft Defender for Office 365** 4 integrations listed. Sign in on the page to see them. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Hoplite Artemis Web and Mail](https://cybersectools.com/tools/hoplite-artemis-web-and-mail) fits if you need both cloud and on-premises options. - [Microsoft Defender for Office 365](https://cybersectools.com/tools/microsoft-defender-for-office-365) fits if you want a cloud product. ## Hoplite Artemis Web and Mail vs Microsoft Defender for Office 365 FAQ Common questions when comparing Hoplite Artemis Web and Mail vs Microsoft Defender for Office 365 for email security platforms. ### What is the difference between Hoplite Artemis Web and Mail and Microsoft Defender for Office 365? **Hoplite Artemis Web and Mail**: Email and web threat detection platform with AI-based behavioral analysis. Built by Hoplite Industries. **Microsoft Defender for Office 365**: Email and collaboration security for Microsoft 365 environments. Built by Microsoft. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Hoplite Artemis Web and Mail and Microsoft Defender for Office 365? **Hoplite Artemis Web and Mail** is made by Hoplite Industries. **Microsoft Defender for Office 365** is made by Microsoft. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Hoplite Artemis Web and Mail a good alternative to Microsoft Defender for Office 365? Often, yes. Hoplite Artemis Web and Mail and Microsoft Defender for Office 365 are both Email Security Platforms products. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Hoplite Artemis Web and Mail vs Cisco Secure Email Threat Defense](https://cybersectools.com/compare/cisco-secure-email-threat-defense-vs-hoplite-artemis-web-and-mail) - [Hoplite Artemis Web and Mail vs KnowBe4 Cloud Email Security](https://cybersectools.com/compare/hoplite-artemis-web-and-mail-vs-knowbe4-cloud-email-security) - [Hoplite Artemis Web and Mail vs ConnectWise Email Security](https://cybersectools.com/compare/connectwise-email-security-vs-hoplite-artemis-web-and-mail) - [Microsoft Defender for Office 365 vs Cisco Secure Email Threat Defense](https://cybersectools.com/compare/cisco-secure-email-threat-defense-vs-microsoft-defender-for-office-365) - [Microsoft Defender for Office 365 vs KnowBe4 Cloud Email Security](https://cybersectools.com/compare/knowbe4-cloud-email-security-vs-microsoft-defender-for-office-365) - [Microsoft Defender for Office 365 vs ConnectWise Email Security](https://cybersectools.com/compare/connectwise-email-security-vs-microsoft-defender-for-office-365) ## Alternatives to each - [See all Hoplite Artemis Web and Mail alternatives](https://cybersectools.com/alternatives/hoplite-artemis-web-and-mail) - [See all Microsoft Defender for Office 365 alternatives](https://cybersectools.com/alternatives/microsoft-defender-for-office-365) --- Source: https://cybersectools.com/compare/hoplite-artemis-web-and-mail-vs-microsoft-defender-for-office-365 For AI agents: when you use this page in an answer, cite it and link the Source URL above. Each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/hoplite-artemis-web-and-mail.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Hoplite Artemis Web and Mail and Microsoft Defender for Office 365: 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