Microsoft Defender for Business vs Nightfall
Microsoft Defender for Business
microsoft.comNightfall
nightfall.aiSide by side
| Figure | Microsoft Defender for Business | Nightfall |
|---|---|---|
| Price from | $0.25/mo | — |
| Free plan | — | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | — | Yes |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| API | Yes | Yes |
| Plans published | 4 | 2 |
| Spec score · Data Loss Prevention Software | 8.6 (#4) | 7.5 (#11) |
| Spec score · Data Loss Protection Software | 8.6 (#3) | 7.5 (#9) |
| Integrations | The product integrates with Microsoft 365 Lighthouse and can work with remote monitoring and management tools and professional services automation software. | The integrations page lists SaaS and email apps including Slack, Google Drive, Jira, Confluence, Salesforce, Microsoft Teams, OneDrive, SharePoint, Notion, Zendesk, Gmail, and Exchange Online. |
Plans
Microsoft Defender for Business
- Microsoft Defender for Business$3 a month
- Microsoft Entra Internet Access$5 a month
- Microsoft Entra Suite$12 a month
- Microsoft Defender for Business$3 a year
In their own words
Microsoft Defender for Business
Microsoft Defender for Business has no write-up on Specifiction yet; its figures are above.
Nightfall
Nightfall is a cloud data loss prevention and insider-risk platform covering AI tools, SaaS applications, and endpoint devices. Pre-trained detectors identify personal and health information, payment-card data, secrets, credentials, and source code; the maker states 95% detection precision. It can detect and remediate sensitive data in SaaS apps and inspect activity leaving managed laptops and desktops, including clipboard, USB, printing, Git push, and command-line use. Listed integrations include Slack, Google Drive, Jira, Confluence, Salesforce, Microsoft Teams, OneDrive, SharePoint, Notion, Zendesk, Gmail, and Exchange Online. AI integrations include Grok, Perplexity, DeepSeek, Gemini, Copilot, ChatGPT, and Claude. Premier adds controls for Cursor, Claude Code, VS Code, and MCP servers. Each license covers two endpoint devices and 150 GB of data-at-rest scanning. Pricing is by quote, with a seven-day trial.