# Attic MDR vs Critical Start Cortex XDR with MDR: side-by-side comparison (2026) [Attic MDR](https://cybersectools.com/tools/attic-mdr) is a commercial [managed detection and response](https://cybersectools.com/categories/mdr) solution by [Attic Security](https://cybersectools.com/companies/attic-security). [Critical Start Cortex XDR with MDR](https://cybersectools.com/tools/critical-start-cortex-xdr-with-mdr) is a commercial [managed detection and response](https://cybersectools.com/categories/mdr) solution by [Critical Start](https://cybersectools.com/companies/critical-start). Features, integrations, deployment and the company behind each one, side by side. Need the answer fast? [Best MDR Solutions for Business](https://cybersectools.com/shortlists/best-mdr-solutions) picks CrowdStrike Falcon Complete, Palo Alto Networks Unit 42 Managed XSIAM, Google Mandiant Threat Defense and 5 more. ## Side-by-side comparison | | Attic MDR | Critical Start Cortex XDR with MDR | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Managed Detection and Response | Managed Detection and Response | | Verified | No | No | | Deployment type | Cloud | Hybrid | | Company size fit | SMB, Mid-Market | SMB, Mid-Market, Enterprise | | Company | Attic Security | Critical Start | | Headquarters | – | – | ### Use cases and capabilities | | Attic MDR | Critical Start Cortex XDR with MDR | |---|---|---| | Ransomware Prevention | Yes | Yes | | Microsoft | Yes | – | ### Core features **Attic MDR** 10 features listed. Sign in on the page to see them. **Critical Start Cortex XDR with MDR** 7 features listed. Sign in on the page to see them. ### Integrations **Attic MDR** 2 integrations listed. Sign in on the page to see them. **Critical Start Cortex XDR with MDR** 2 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. - [Attic MDR](https://cybersectools.com/tools/attic-mdr) fits if you want a cloud product. - [Critical Start Cortex XDR with MDR](https://cybersectools.com/tools/critical-start-cortex-xdr-with-mdr) fits if you need both cloud and on-premises options and you are an enterprise. ## Attic MDR vs Critical Start Cortex XDR with MDR FAQ Common questions when comparing Attic MDR vs Critical Start Cortex XDR with MDR for managed detection and response. ### What is the difference between Attic MDR and Critical Start Cortex XDR with MDR? **Attic MDR**: 24/7 managed detection and response service for Microsoft 365 environments. Built by Attic Security. **Critical Start Cortex XDR with MDR**: MDR service layered on Palo Alto Cortex XDR for alert resolution and breach prevention. Built by Critical Start. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Attic MDR and Critical Start Cortex XDR with MDR? **Attic MDR** is made by Attic Security. **Critical Start Cortex XDR with MDR** is made by Critical Start. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Attic MDR a good alternative to Critical Start Cortex XDR with MDR? Often, yes. Attic MDR and Critical Start Cortex XDR with MDR are both Managed Detection and Response products, and both cover Ransomware Prevention. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Attic MDR vs Kaspersky Next MXDR Optimum](https://cybersectools.com/compare/attic-mdr-vs-kaspersky-next-mxdr-optimum) - [Attic MDR vs ThreatDown Managed Detection & Response (MDR)](https://cybersectools.com/compare/attic-mdr-vs-threatdown-managed-detection-and-response-mdr) - [Attic MDR vs AhnLab Managed Detection & Response (MDR)](https://cybersectools.com/compare/ahnlab-managed-detection-and-response-mdr-vs-attic-mdr) - [Critical Start Cortex XDR with MDR vs Kaspersky Next MXDR Optimum](https://cybersectools.com/compare/critical-start-cortex-xdr-with-mdr-vs-kaspersky-next-mxdr-optimum) - [Critical Start Cortex XDR with MDR vs ThreatDown Managed Detection & Response (MDR)](https://cybersectools.com/compare/critical-start-cortex-xdr-with-mdr-vs-threatdown-managed-detection-and-response-mdr) - [Critical Start Cortex XDR with MDR vs AhnLab Managed Detection & Response (MDR)](https://cybersectools.com/compare/ahnlab-managed-detection-and-response-mdr-vs-critical-start-cortex-xdr-with-mdr) ## Alternatives to each - [See all Attic MDR alternatives](https://cybersectools.com/alternatives/attic-mdr) - [See all Critical Start Cortex XDR with MDR alternatives](https://cybersectools.com/alternatives/critical-start-cortex-xdr-with-mdr) --- Source: https://cybersectools.com/compare/attic-mdr-vs-critical-start-cortex-xdr-with-mdr For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/attic-mdr.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Attic MDR and Critical Start Cortex XDR with MDR: 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