Managed Detection Response
DeepSeas MDR delivers continuous detection and response across endpoint, network, cloud, identity, email, SaaS, and OT environments, with AI-assisted triage and analysts owning investigative judgment.
DeepSeas provides continuous threat monitoring and response across endpoint, network, cloud, identity, email, SaaS, and OT environments. AI-driven triage filters routine activity while experienced analysts investigate meaningful threats, coordinate response, and document outcomes. With support for the security tools you already own, your organization gains proactive visibility, faster decisions, and measurable cyber defense without building a round-the-clock internal SOC.
Continuous monitoring and analyst-led response across the environments, systems, and security tools your organization already operates.
DeepSeas MDR delivers continuous detection and response across endpoint, network, cloud, identity, email, SaaS, and OT environments, with AI-assisted triage and analysts owning investigative judgment.
Endpoint MDR monitors endpoints and servers, investigates alerts as data arrives, and supports containment actions within the response authority established for your organization.
Network Detection & Response surfaces lateral movement, command and control, data staging, and unmanaged devices while correlating network activity with endpoint, identity, and cloud context.
Email Threat Detection & Response identifies phishing, business email compromise, malicious links, attachments, and account takeover activity, connecting email findings with broader investigations.
DeepSeas monitors criminal forums, marketplaces, and underground sources for exposed credentials, infostealer logs, claims of access, brand impersonation, and threats involving your organization.
OT & ICS Security Monitoring helps protect industrial environments with detections and response playbooks designed around operational constraints, safety considerations, and uptime requirements.
Threat monitoring is most effective when alerts become completed investigations rather than another queue for your team. DeepSeas combines AI-driven filtering, continuous threat hunting, detection engineering, and experienced analysts across endpoint, network, cloud, identity, email, SaaS, and OT environments. The service works inside the tools you already own, helping reduce noise while providing documented response and measurable cyber defense outcomes.
See how integrated monitoring and response can turn fragmented security signals into clearer, documented cyber defense outcomes.
"DeepSeas is a pleasure to work with. They produce consistent and outstanding results for us and our program, while being thorough, knowledgeable, and easy to work with. We have not had a finding in a certification/re-certification audit in three years across five ISO standards!"
DeepSeas combines experienced practitioners, integrated technology, and complete cyber defense capabilities in one program.
Continuous monitoring, detection, and response helps organizations address threats without staffing a round-the-clock internal SOC.
Bring-your-own-stack support works with established SIEM, EDR, and CNAPP tools instead of requiring a rip-and-replace approach.
AI handles routine triage while experienced analysts investigate meaningful events, make decisions, and coordinate response.
A six-layer cyber defense stack connects monitoring with advisory, offensive security, threat intelligence, SOC, and GRC capabilities.
Experienced cybersecurity leaders and practitioners support measurable, customized defense outcomes.
Chief Executive Officer
Lewie Dunsworth serves as Chief Executive Officer of DeepSeas, leading the company's mission to make cybersecurity a strategic advantage for nearly 1,000 organizations worldwide. Under his leadership, DeepSeas has grown into a recognized leader in Managed Detection and Response, earning recognition from Gartner and Frost & Sullivan as a top provider in the industry. Lewie drives the company's vision across its six-layer cyber defense stack, spanning strategic advisory, offensive security, threat intelligence, managed detection and response, the CyberFusion SOC, and governance, risk and compliance. He is committed to ensuring that enterprise, mid-market, government, and education clients receive proactive, measurable, and customized cybersecurity outcomes. Lewie's leadership reflects nearly three decades of industry experience and a steadfast focus on client trust and operational excellence.
CISM, CIPP/E, SANS GCIH, GIAC, HITRUST
Keith Robertson brings 25 years of governance, risk management, and compliance experience to DeepSeas, including prior service as a Fortune 500 Chief Security Officer and Enterprise Risk Officer. He holds an impressive array of certifications, including CISM, CIPP/E, SANS GCIH, GIAC, and HITRUST, reflecting his comprehensive expertise across security management, privacy, incident handling, and healthcare compliance. Keith's executive-level experience gives him a unique perspective on enterprise risk, allowing him to help DeepSeas clients align cybersecurity strategy with broader business objectives. His background in high-stakes corporate security leadership positions him well to guide organizations through complex governance challenges and regulatory requirements. Keith is committed to helping clients build mature, enterprise-grade risk management programs that support long-term security and compliance success across diverse industries.
CISSP, CCSK, Licensed Attorney
Sean Duffy combines 25 years of cybersecurity experience with a unique legal background, holding both CISSP and CCSK certifications as well as a license to practice law. A United States Navy veteran, Sean brings a disciplined, mission-focused approach to his work advising C-suite executives and boards of directors on cybersecurity strategy and risk. His legal expertise allows him to provide clients with a nuanced understanding of regulatory and liability considerations alongside technical security guidance, a combination that is especially valuable for organizations navigating complex compliance landscapes. Sean's extensive advisory experience makes him a trusted voice for senior leadership teams seeking to understand cybersecurity risk in business terms. His military background and legal training reflect the depth and diversity of expertise that defines the DeepSeas team.
CISSP, HITRUST
Matt Lammers is an experienced CISO and IT risk executive who brings both deep technical certification and management consulting experience to DeepSeas. Holding CISSP and HITRUST credentials, Matt has built a career helping organizations strengthen their cybersecurity posture while managing enterprise-level risk. His consulting background equips him with strong skills in translating complex security concepts into actionable business strategies for executive stakeholders. Matt's international perspective, including his status as an Australia permanent resident, gives him valuable insight into global compliance and security considerations that benefit DeepSeas clients operating across borders. He is dedicated to helping organizations build resilient, well-governed cybersecurity programs that align with both operational needs and executive priorities, reinforcing DeepSeas' commitment to customized, outcome-driven security solutions.
24/7 threat monitoring services continuously review security activity across environments such as endpoints, networks, cloud, identity, email, SaaS, and OT. DeepSeas combines AI-assisted triage with analyst-led investigation, threat hunting, and response. Rather than simply forwarding alerts, the team works cases toward a documented outcome, helping organizations maintain visibility and response capability without operating a round-the-clock internal SOC.
Speak with DeepSeas about your environment, coverage needs, and response objectives.
Held by DeepSeas specialists.
2023 recognition as a top 40 MDR provider.
2024 Frost Radar Leader and top-five provider recognition.
2024 award for MDR competitive strategy leadership.
2024 award for global MDR strategy.
Share your current security environment and monitoring objectives to discuss a focused path toward continuous detection and response.
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