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Critical Start Cortex XDR with MDR is a commercial managed detection and response tool by Critical Start. SilverSky Managed Endpoint Detection and Response is a commercial managed detection and response tool by SilverSky. Compare features, ratings, integrations, and community reviews side by side to find the best managed detection and response fit for your security stack.
Based on our analysis of NIST CSF 2.0 coverage, core features, integrations, company size fit, here is our conclusion:
Critical Start Cortex XDR with MDR
Mid-market and enterprise teams already committed to Palo Alto Cortex XDR should choose Critical Start's MDR layer if your SOC is understaffed or lacks incident response depth; the service resolves every alert regardless of severity, not just critical ones, which cuts alert fatigue and ensures nothing slips through triage. The bi-directional Cortex XDR integration means analysts work inside your existing platform rather than context-switching to a separate console, and the mobile SOC app actually works for remote containment, not just read-only dashboards. This is a poor fit for organizations without Palo Alto's NGFW and XDR stack already in place; you're buying tightly integrated MDR for a specific platform, not a platform-agnostic detection service.
SilverSky Managed Endpoint Detection and Response
Mid-market and lower-enterprise teams without dedicated SOC capacity should pick SilverSky Managed EDR for its genuine 24/7 managed response, not just alert monitoring; you're outsourcing incident triage and containment to humans, not buying another tool that generates more tickets. The underlying Cynet platform covers the full incident lifecycle from detection through mitigation, with NIST scores of 5 or higher across Detect, Respond, and Recover functions. Skip this if you have mature internal SOC staff who prefer full control of their detection tuning and investigation workflow; the managed model works best when you're understaffed and need someone else owning alert fatigue.
MDR service layered on Palo Alto Cortex XDR for alert resolution and breach prevention.
Managed EDR service with 24x7 SOC monitoring using Cynet platform
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Common questions about comparing Critical Start Cortex XDR with MDR vs SilverSky Managed Endpoint Detection and Response for your managed detection and response needs.
Critical Start Cortex XDR with MDR: MDR service layered on Palo Alto Cortex XDR for alert resolution and breach prevention. built by Critical Start. headquartered in United States. Core capabilities include Monitoring of unlimited data volumes ingested from Cortex XDR Prevent and Pro, Resolution of all alerts regardless of severity or priority level, Coverage across endpoint, network, and cloud data sources..
SilverSky Managed Endpoint Detection and Response: Managed EDR service with 24x7 SOC monitoring using Cynet platform. built by SilverSky. headquartered in United States. Core capabilities include 24x7 SOC monitoring and alert response, Endpoint protection with ransomware and malware prevention, AI-based threat detection with automated response..
Both serve the Managed Detection and Response market but differ in approach, feature depth, and target audience.
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