managed-detection-and-response
(8)
Expel
Expel built the security service its founders once wished they could buy: one that keeps the tools, loses the alert pile, and shows its work. A decade in, its hardest product may be trust itself.
CyFlare
CyFlare is a U.S.-based Managed Security Service Provider that runs cybersecurity operations on behalf of MSPs, resellers and technology vendors. Through its CyFlare ONE platform and a 24/7 Open-XDR-enabled Security Operations Center, the company delivers managed detection and response, managed EDR, XDR, vulnerability management, managed email security and compliance support, letting channel partners offer enterprise-grade security to their clients without building an in-house SOC.
Netenrich
Netenrich is a San Jose-based security and digital operations company that helps enterprises run modern security operations on Google SecOps. Its Resolution Intelligence Cloud platform combines agentic AI, big-data analytics, and human expertise to power Adaptive MDR, Cyber Risk Operations, and threat detection - shifting security teams from chasing alerts toward what the company calls autonomic security operations.
ProTelesis Corporation
ProTelesis Corporation is a San Diego-based managed services provider (MSP/MSSP) born from the 2019 merger of two California telecom heavyweights - Protel (a leading Mitel Blue dealer) and Xtelesis (a leading Mitel Orange dealer). The company has evolved from a traditional phone-system business into a full-stack technology partner delivering managed IT, cybersecurity, unified communications, cloud, structured cabling, and managed detection and response. With offices across California, the Pacific Northwest, Utah, and Bangalore, it supports thousands of clients and hundreds of thousands of endpoints, with a focus on biotech, defense, and growing small-to-midsize businesses.
Vectra AI
Vectra AI is a San Jose-based cybersecurity company that uses artificial intelligence to detect, investigate, and stop active cyberattacks across hybrid and multi-cloud environments. Its platform - built around what the company calls Attack Signal Intelligence - watches network, identity, public cloud, and SaaS behavior to surface real attacks in progress while filtering out the noise that overwhelms security teams. Founded in 2011 and led by CEO Hitesh Sheth, Vectra has raised roughly $425M, reached a $1.2B valuation, and was named a Leader in the 2026 Gartner Magic Quadrant for Network Detection and Response.
BlueVoyant
BlueVoyant is a New York-based cyber defense company that combines a cloud-native technology platform with a 24x7 global security operations team to protect organizations from threats inside and outside their network. Its full-spectrum platform spans managed detection and response (MDR/MXDR), digital risk protection, and supply chain (third-party) cyber risk defense, drawing on global telemetry, dark web intelligence, and a deep partnership with Microsoft and Splunk. Founded in 2017 by James Rosenthal and Thomas Glocer, the company serves enterprises and governments worldwide and has raised roughly $695M to date.
At-Bay
At-Bay is an InsurSec company that sells cyber insurance alongside the security tools, monitoring, and incident response needed to actually prevent claims. By bundling underwriting with active risk management, the company has positioned itself as both insurer and security partner for small and mid-sized businesses.
Blackpoint Cyber
Blackpoint Cyber is a Denver-based managed detection and response (MDR) company built by former NSA cyber operations experts who decided the best way to defend businesses was to think like the attackers they used to be. Founded in 2014, the company serves managed service providers (MSPs) with a 24/7 security operations center, proprietary threat detection technology, and its unified CompassOne platform - combining endpoint, identity, cloud, and compliance tools into a single dashboard. With $210M in total funding and 23 G2 badges in Spring 2025, Blackpoint has become one of the most recognized MDR providers in the MSP channel, locking compromised Microsoft 365 accounts roughly every 30 minutes.