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Read 15 Critical Start reviews and testimonials from customers, explore 18 case studies and customer success stories, and watch 3 customer videos to see why companies chose Critical Start as their Managed Detection and Response

CRITICALSTART is leading the way in Managed Detection and Response (MDR) services. Their Trusted Behavior Registry reviews every alert to determine if it was generated by known-good behavior versus unknown behaviors that need to be investigated by their analysts. This allows them to resolve every alert and stop accepting risk - leveraging their transparent platform and native iOS and Android mobile apps. CRITICALSTART’s MDR services support a wide range of leading enterprise security technology partners, including Blackberry Cylance, Carbon Black, CrowdStrike, Devo, Microsoft, Palo Alto Networks, SentinelOne, and Splunk, among others.

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Customer Rating Review Scorebased on 1001 reference ratings
4.8/5.0 (1001)
  • 2025
    Spring 2025Rising StarManaged Detection and Response Software

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    Through the industry's original Concierge Security™ Team, Arctic Wolf provides the scalable managed cybersecurity protection IT-constrained companies need to keep their critical data, networks, web-based applications, and devices safe. Working as an extension of your internal team, highly-trained security experts deliver 24x7 cloud-based monitoring, risk management, threat detection, and response services that protect you from ever-evolving methods of cyber attack. By escalating only the issues that require action, Arctic Wolf eliminates noise, enabling IT to focus on other priority initiatives. Personal, predictable protection — it's the Arctic Wolf difference

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15Testimonials

  • "We have a full IT staff, so we didn’t need a fully hands-on services like MSSPs offer. Critical Start had all the features we were looking for. The promise of a high level of customer service and transparent communications also made Critical Start a compelling choice."

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18 Case Studies

  • Manufacturer Unifies Security Posture, Dramatically Increases Alert Visibility Through CRITICALSTART MDR Services and Palo Alto Cortex XDR™

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3 Customer Videos

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Additional Critical Start Information & Resources

Read Critical Start Reviews, Testimonials & Customer References from 15 real Critical Start customers.

Browse Critical Start Case Studies, Customer Success Stories, & Customer References from 18 businesses that use Critical Start.

Watch Critical Start Customer Videos to learn why 3 businesses chose Critical Start.