Critical Start MDR vs Microsoft Defender for Business

Critical Start MDR is a managed detection and response service combining proactive security intelligence with human-driven threat detection and response. It identifies unmonitored assets, endpoint coverage gaps, and log-ingestion failures. Customers can choose automatic, facilitated, or managed remediation, while analyst collaboration and threat response are described as available 24x7x365. The MDR page states a 10-minute notification SLA for Critical alerts. Named integrations include CrowdStrike Falcon, Microsoft Defender for Endpoint, Palo Alto Networks Cortex XDR, SentinelOne, and VMware Carbon Black. The provider also describes direct APIs and more than 100 log-source integrations across email, identity, cloud, network, and endpoint environments. MOBILESOC, available on iOS and Android, can isolate hosts, disable user accounts, and remove email. Analysts work in SOC 2 Type 2 certified centers. MDR for operational technology supports multiple physical locations, separate IT and OT alert handling, and read-only visibility rules. Pricing is available on request.

Microsoft Defender for Business has no write-up on Specifiction yet; its figures are above.