Best Managed Detection & Response (MDR) Companies

Expel is a cybersecurity company that helps companies minimize business risk. Its technology and people work together to make sense of security signals and to detect, understand, and fix issues quickly. The company offers managed detection and response (MDR), remediation, phishing, and threat hunting and develops the Expel Workbench platform, which enables customers to choose how they prioritize their security operations. Expel serves companies of all sizes across all industries. The company was formerly known as The Concern. It was founded in 2016 and is based in Herndon, Virginia.

BlueVoyant combines internal and external cyber defense capabilities into an outcomes-based cloud-native platform by monitoring networks, endpoints, attack surfaces, and supply chains, as well as the web for threats. The full-spectrum cyber defense platform illuminates, validates, and remediates threats to protect the enterprise. The company was formerly known as BlueteamGlobal. The company was founded in 2017 and is based in New York, New York.

Arctic Wolf Networks provides cybersecurity services. It offers managed detection and response, cloud detection and response managed risk, cloud security posture management, managed security awareness, and more. It was founded in 2012 and is based in Eden Prairie, Minnesota.

ActZero provides Managed Detection and Response services powered by AI technology and strategic acquisitions. ActZero’s Intelligent MDR can help users drive security engineering, increase internal efficiencies and effectiveness and, ultimately, build a mature cybersecurity posture.

Blackpoint Cyber develops cyber security products and secure enterprise collaboration systems. The company specializes in enterprise cyber defense product development. Blackpoint Cyber was founded in 2014 and is based in Ellicott City, Maryland.

Critical Insight provides managed detection and response cyber-security consulting solutions. The company primarily services the healthcare industry. Critical Insight was formerly known as Critical Informatics. The company was founded in 2011 and is based in Bremerton, Washington.

Critical Start is a cybersecurity integrator providing managed detection and response services. Critical Start was founded in 2012 and is based in Plano, Texas.

Cynet provides an agentless solution for the detection and remediation of advanced and unknown threats, such as unsigned malware and zero-day attacks. Its proprietary product correlates and analyzes indicators from files, networks, endpoints, and user behavior to uncover threats, which have bypassed the prevention layer. It was founded in 2015 and is based in Rishon Lezion, Israel.

deepwatch provides a platform for internet cybersecurity to protect the customer's and clients' networks from threats. The company provides detection and response to cyber threats together with guidance that helps to mitigate risk and improve security. deepwatch was founded in 2019 and is based in Tampa, Florida.

Difenda provides cybersecurity with Difenda Shield (SecOps-as-a-Service), advisory services and offensive security.

Red Canary provides a multi-dimensional endpoint threat detection system that combines technology with human analysts to assess thousands of potentially malicious events per day.