Microsoft Defender for Business vs Rational Review
Microsoft Defender for Business
microsoft.comRational Review
rationalenterprise.comSide by side
| Figure | Microsoft Defender for Business | Rational Review |
|---|---|---|
| Price from | $0.25/mo | — |
| Free plan | — | — |
| Free trial | Yes | — |
| Open source | — | — |
| Web | — | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| iOS | Yes | — |
| Android | Yes | — |
| API | Yes | — |
| Self-hosted | — | Yes |
| Plans published | 4 | 1 |
| Spec score · eDiscovery Software | 8.4 (#3) | 6.7 (#22) |
| Integrations | The product integrates with Microsoft 365 Lighthouse and can work with remote monitoring and management tools and professional services automation software. | Rational Governance can push in-place indexes and custodian data into Rational Review; production load files are compatible with Relativity and Concordance. |
| Purpose | Microsoft Defender for Business is an endpoint security solution for small and medium-sized businesses with up to 300 users that helps protect devices from ransomware, malware, phishing, and other threats. | Rational Review is an AI-powered eDiscovery platform covering legal hold, collection, processing, review, analysis, redaction, and production. |
| Support | Microsoft's Defender for Business documentation provides a guide for getting help or contacting support. | Clients receive a permanently assigned project manager, and the maker offers data-scientist assistance with predictive coding. |
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.
Rational Review
Rational Review is a paid, self-hosted and web eDiscovery platform from Rational Enterprise, founded in 2006. It covers legal hold, collection, processing, review, analysis, redaction, and production for litigation, investigations, regulatory response, and compliance matters. AI functions include document chat, summarization, sentiment analysis, predictive coding, and Matter Agent workflow automation. The platform handles email, Microsoft Teams, Slack, SMS, WhatsApp, Office files, PDFs, and audio or video with transcription. Rational Governance can send in-place indexes and custodian data into Review, while production load files work with Relativity and Concordance. Deployment includes browser SaaS, with on-premises and private-cloud options offered for government and regulated enterprise customers. Listed safeguards include AES-256 encryption at rest, TLS 1.3 in transit, two-factor authentication, SSO/SAML, role-based access controls, and audit logs. Compliance capabilities listed include HIPAA, SOC 2, ISO 27001, DoD SRG, FISMA, and FedRAMP. Pricing is on request, billed per gigabyte with predictable monthly billing, no per-seat minimums, and no separate processing fees.