Alexis Kestler
As a cybersecurity analyst and technology enthusiast, I‘m always exploring the latest and greatest in security tools and services. In recent years, I‘ve really come to appreciate the value managed detection and response (MDR) can provide organizations struggling to keep up with increasingly sophisticated threats.
In this detailed guide, I‘ll share my insights on MDR: what it is, key benefits, how it works, and an in-depth look at 10 leading providers. My goal is to equip you with the information needed to determine if MDR is right for your organization‘s security needs. I‘ll adopt a casual, conversational tone to make this dense topic more engaging. Let‘s dive in!
What is MDR and Why it Matters
MDR stands for managed detection and response. It combines advanced security monitoring and threat hunting with 24/7 investigation and response by a team of security experts.
As a fellow security geek, I‘m sure you‘re no stranger to the cyber threat landscape. The volume and complexity of threats are escalating rapidly. Highly motivated cybercriminals have access to black market tools and AI to launch extremely sophisticated attacks.
Most organizations I‘ve worked with are spread dangerously thin when it comes to security. Their overburdened IT and security teams struggle to defend sprawling networks against relentless threats. It‘s incredibly challenging for them to implement all the tools and hire all the skilled staff needed to monitor for threats, hunt for hidden attackers, and rapidly respond to incidents.
This is where MDR really shines. MDR providers operate state-of-the-art security operations centers (SOCs) that connect to your infrastructure through APIs. Their security analysts, engineers, and threat hunters monitor your environment 24/7, using cutting edge tech like SIEM, EDR, deception, and threat intel feeds.
When a threat like ransomware or a targeted intrusion is detected, the MDR provider‘s security team springs into action. They have the expertise to immediately investigate, contain the threat, and remediate damage so your own staff doesn‘t have to.
Based on my experience, MDR empowers resource-constrained security teams with an elite line of defense run by specialist security operators. The 24/7 monitoring and response, advanced analytics, and threat expertise MDR offers are nearly impossible for most organizations to reproduces in-house.
Next, let‘s explore the benefits of MDR and how it works in more detail.
Why Organizations Need 24/7 Security Monitoring and Response
MDR really shines when it comes to providing comprehensive monitoring and rapid incident response, which are critical security capabilities:
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The 2022 SonicWall Cyber Threat Report found that ransomware attacks skyrocketed 105% year-over-year. Ransomware groups are constantly finding new ways to infiltrate networks, evade detection, and maximize damage. Stopping these stealthy attackers requires ongoing vigilance and rapid response when they are detected.
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According to a recent survey I read, the median dwell time for attackers before being detected was 24 days. That‘s way too long! Skilled adversaries take advantage of excessive dwell time to move laterally, escalate privileges, and cause maximum disruption. MDR shortens dwell time by employing advanced analytics, honeypots, and threat hunting.
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Verizon‘s 2022 Data Breach Investigations Report revealed that over 90% of breaches involved some sort of human error on the defender‘s side. Humans are fallible, and staff get tired, distracted and slip up on security processes. MDR provides a robust system of technology safeguards and human oversight that is much more reliable than isolated internal teams.
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The same Verizon DBIR report found that credential theft and phishing cause the majority of breaches. Defending against stealthy social engineering requires top-notch capabilities like behavioral analytics, log correlation, and link analysis that most organizations can‘t staff themselves. MDR platforms provide these out-of-the-box.
Based on my experience consulting with numerous clients, most security teams simply lack the budget, tools, training, and staffing needed to achieve 24/7 monitoring plus fast and accurate threat detection and response. MDR providers can deliver these mission critical capabilities at a fraction of the cost of building it yourself.
How MDR Works
MDR is a fully managed service combining three key elements – advanced security analytics, experienced security experts, and efficient processes. Here‘s a peek behind the curtain:
The Tech Stack
MDR platforms ingest telemetry and data from customers‘ existing security tools using APIs. This typically includes:
- SIEM – centralizes and analyzes logs from networks, endpoints, cloud, etc.
- EDR – captures detailed endpoint activity required for threat hunting
- FW/SWG – monitors web traffic and protects from web-based attacks
- Deception – tricks attackers into engaging with decoys to reveal presence
- Threat intel – feeds of known IOCs, TTPs, adversary trends
- Vulnerability scanners – detect misconfigurations and unpatched assets
- UEBA – analyzes behavior patterns and surfaces insider risks
These technologies provide extensive visibility across hybrid environments while enabling advanced threat analytics and automation.
The Security Analysts
Experienced Tier 1-3 security analysts work around the clock detecting incidents, conducting triage, coordinating response, and documenting action taken.
Analysts have specialized expertise in areas like digital forensics, malware reverse engineering, cloud security, and data analytics. They follow detailed playbooks when threats emerge to rapidly understand impact and contain them.
Threat hunters proactively search for hidden risks and indicators of compromise using cutting-edge techniques. By surfacing hard-to-detect threats, they shorten dwell time and prevent incidents from escalating.
Incident Response
MDR analysts have honed incident response processes enabling coordinated, rapid containment of threats:
- Triage – First steps like isolating infected hosts, suspending user accounts, and halting lateral movement
- Investigate – Determine root cause, identify affected assets, and assess damage
- Remediate – Eliminate the threat by cleaning hosts, restoring data, patching vulnerabilities, etc.
- Report – Keep customers updated throughout the process and provide final incident report
By having mature IR procedures and technology purpose-built for IR in place, MDR services are able to respond 10X faster than typical internal security teams.
This combination of advanced security analytics, expert staffing, and dialed-in processes enables MDR to provide 24/7 monitoring plus accelerated incident response well beyond most organization‘s capabilities.
Next, let‘s dig into 10 leading MDR providers and key selection criteria.
10 Top MDR Providers to Consider
The MDR market has expanded rapidly, with offerings from MSSPs, security vendors, and specialized providers. Based on my evaluations, these 10 MDR services stand out from the pack:
1. Arctic Wolf
Overview – One of the fastest growing MDR providers, Arctic Wolf offers managed risk and security solutions through their AWN CyberSOC platform. Concierge security team provides white-glove onboarding and account management.
Key Capabilities
- AWN CyberSOC platform centralizes monitoring, alerting, investigation, threat hunting, and compliance reporting
- Integrated technology stack includes Microsoft Sentinel, CrowdStrike, and ZScaler
- Arctic Wolf Security Operations engineers act as an extension of clients‘ teams
- Endpoint, network, and cloud monitoring plus compliance assessments and advice
- Unique risk scoring provides visibility into security gaps and improvement opportunities
Top Use Cases – Mid-size to large organizations seeking comprehensive managed detection, response, and compliance capabilities. Particularly strong for those adopting Microsoft Azure cloud solutions.
2. eSentire
Overview – eSentire uses Elusive AI machine learning and malicious behavior modeling to detect stealthy threats across on-prem, cloud, SaaS, and specialized assets. Their MDR service is called Managed Detection and Response.
Key Capabilities
- 24/7 proactive threat hunting, investigation, containment, and elimination by expert analysts
- Advanced behavioral analytics spot anomalies across networks, workloads, cloud, endpoints, logs, users, etc.
- Real-time threat intelligence tailored to unique industry threats
- Lightweight data collectors and fast deployment model
- Compliance expertise covering HIPAA, PCI DSS, GDPR, CCPA, NERC CIP, ISO 27001
Top Use Cases – Heavily regulated organizations in healthcare, finance, energy, retail that require compliance-centric MDR services.
3. Proficio
Overview – Proficio provides enterpise MDR powered by 24/7 analysis, their Metatron SIEM platform, and proprietary threat intelligence and behavioral analytics capabilities.
Key Capabilities
- SOC analysts provide monitoring, alert triage, threat investigation, containment and elimination
- AI-powered incident prioritization and automated containment actions
- Custom threat intel tailored to each client‘s unique threats and risk profile
- Consulting services for security assessments, gap analysis, architecture design, and process optimization
- Compliance-oriented services supporting PCI DSS, SWIF, GDPR, CCPA, FedRAMP, HIPAA and more
Top Use Cases – Large enterprises with complex security needs across cloud, network, endpoints, users, and logs. Ideal for those with rigorous compliance requirements.
4. Red Canary
Overview – Red Canary focuses on preventing breaches across enterprise endpoints and hybrid environments. Combining carbon black, Tanium, and managed threat detection and response by an expert security operations team.
Key Capabilities
- Advanced endpoint security analytics spot subtle attack indicators
- Continuous endpoint event analysis for rapid investigation and response
- Team of threat hunters proactively search for covert adversaries
- Investigation, containment, and remediation of confirmed threats
- Executive reporting provides visibility into security incidents, trends, and organizational risk
Use Cases – Larger enterprises looking to augment internal security, particularly those with complex endpoint environments, hybrid cloud models, and sophisticated threats.
5. BlueVoyant
Overview – BlueVoyant MDR service delivers continuous proactive monitoring, detection, and response across cloud, network, endpoints, supply chain, credentials, and other attack surfaces.
Key Capabilities
- 24/7 SOC performs advanced analytics, threat hunting, alert monitoring, and incident response
- Support for hybrid cloud, on-prem, core network, remote endpoints, OT, and IoT
- Remote containment and elimination of threats within client infrastructure
- Security platform purpose-built for MDR with SOC automation, orchestration, and case management
- Outcome-based "pay for results" pricing model
Use Cases – Global enterprises with expansive, complex IT infrastructure and threat surfaces that require broad security monitoring and response.
6. Expel
Overview – Expel provides transparent, collaborative MDR services purpose-built for cloud. Combining human expertise with developer-centric design.
Key Capabilities
- Lightweightcollector gathers data from cloud providers using APIs
- Native support for leading cloud platforms – AWS, Azure, GCP
- Transparent access and visibility into security operations
- DevSecOps-powered environment with SIEM-as-code, Infrastructure as Code (IaC) security, and APIs
- Usage-based pricing aligned to cloud consumption
Use Cases – Innovative enterprises running multi-cloud or hybrid-cloud environments that want collaborative, developer-friendly security solutions.
7. Critical Start
Overview – Critical Start MDR provides enterprises with turnkey threat monitoring, detection, investigation, and response capabilities backed by numerous SOCs and their Extended Detection and Response (XDR) platform.
Key Capabilities
- Multiple global SOCs provide follow-the-sun security expert monitoring
- XDR provides unified visibility across endpoints, network, cloud, identities, etc.
- Tuning based on unique client environments and risk profiles
- Virtual CISO service for ongoing strategic security guidance
- Compliance expertise for frameworks like NIST 800-53, HIPAA, NERC CIP, PCI DSS, ISO 27001
Use Cases – Heavily regulated enterprises in healthcare, finance, energy, and other industries needing always-on security monitoring, robust compliance, and virtual CISO partnership.
8. CyberProof
Overview – CyberProof takes an intelligence-led approach to MDR, leveraging threat intelligence, military-grade cybersecurity expertise, and security analytics. Part of UST and backed by Blackstone.
Key Capabilities
- Integrated threat intel feeds power monitoring, alerting, and proactive threat prevention
- 24/7 SOC staffed by military cybersecurity and intelligence experts
- Unified platform combines SIEM, SOAR, endpoint, deception technologies, and more
- Services tailored to financial services, healthcare, retail, energy, and other verticals
- Solutions mapped to regulations like GDPR, HIPAA, PCI DSS, NERC CIP
Use Cases – Highly regulated organizations in the finance, healthcare, energy, and retail verticals seeking a compliance-oriented MDR provider with proven military cybersecurity expertise.
9. Huntress
Overview – Huntress delivers fully managed endpoint detection and response powered by proprietary IDS tools and tradecraft focused on identifying ransomware, supply chain footholds, and data exfiltration.
Key Capabilities
- Advanced endpoint monitoring, investigation, and response for ransomware and breaches
- Integration with Windows Defender, SentinelOne, and other endpoint platforms
- 24/7 monitoring and alert investigation by expert cybersecurity analysts
- Proprietary threat intel feeds powering detection of new ransomware and exploits
- Incident containment and remediation guidance for confirmed threats
Use Cases – SMBs and mid-market organizations seeking turnkey endpoint security analytics and response capabilities delivered by specialists.
10. Cyber adAPT
Overview – Cyber adAPT provides affordable, turnkey MDR services tailored to resource-constrained SMBs. Combines technology automation and human expertise.
Key Capabilities
- Lightweight data collection reduced deployment time
- Monitoring, detection, and response customized to unique client risk scenarios
- Fixed monthly pricing regardless of assets, users, or data volume
- Virtual CISO provides strategic plans, risk assessments, gap analysis, and architectures
- Hands-on incident response assistance from skilled analysts
Use Cases – SMBs with limited security staff and budget seeking effective, tailored detection and response capabilities without overspending.
This covers 10 of the top MDR services I recommend considering if your organization is exploring outsourced security monitoring and response capabilities. Each offers different strengths depending on your industry, IT infrastructure, risk profile, and budget.
How to Select the Right MDR Provider
Choosing the ideal MDR partner depends on your specific organizational requirements and use cases. Here are some of the factors I advise clients weigh carefully during MDR selection:
Security Stack Integration – Ensure the provider has connectors, APIs, and platform integrations to ingest logs and data from your major security tools – endpoint, firewall, cloud, IAM, etc. Quick, non-intrusive deployment is key.
Use Case Match – Align the provider‘s offerings to your biggest detection, monitoring, and response gaps. Whether that‘s endpoint security, targeted ransomware protection, compliance, or cloud monitoring.
Team Integration – Look for MDR services that integrate seamlessly with your security operations processes through ticketing, collaboration capabilities, status updates, and clear delineation of responsibilities.
Detection and Response Capabilities – Evaluate detection accuracy, types of threat hunting employed, investigation and triage processes, remote response capabilities, and efficacy of remediation.
Total Cost – Weigh the total cost against your budget and the expected business value. Look for transparent pricing without overage charges.
Service Experience – Assess the provider‘s reputation for customer service, support responsiveness, personnel expertise, communication processes, and overall transparency.
The MDR market still has some maturing to do, but the services highlighted in this guide represent the best of breed in my opinion. They provide advanced threat detection, continuous monitoring, and rapid response well beyond most organization‘s in-house capabilities.
I hope you‘ve found this guide helpful as you consider whether MDR could be a fit for your organization. Feel free to reach out if you have any other questions!
