Managed MDR
DeepSeas provides 24/7 detection and response across endpoint, network, cloud, identity, email, SaaS, and OT environments using the security tools you already own.
Connect with DeepSeas to discuss managed detection and response, cybersecurity monitoring, and complete cyber defense. Our team can help you evaluate your current security operations, understand coverage options, and identify practical next steps for your organization. Whether you need 24/7 monitoring, support for existing tools, or broader security guidance, start the conversation with the MDR office.

Discuss managed detection, response, monitoring, and cybersecurity support with the DeepSeas team.
DeepSeas provides 24/7 detection and response across endpoint, network, cloud, identity, email, SaaS, and OT environments using the security tools you already own.
Endpoint MDR provides continuous monitoring, investigation, and response for endpoints and servers, with analysts enriching alerts and helping your team act on meaningful events.
Managed SIEM services support detection engineering, tuning, investigation, and response within your existing SIEM or through a DeepSeas-managed option.
Contact the DeepSeas MDR office to explore a security operation built around finished work rather than forwarded alerts. The team can discuss 24/7 monitoring, analyst-led investigation, response authority, and coverage across the tools and environments you already operate. DeepSeas supports endpoint, network, cloud, identity, email, SaaS, and OT security needs, helping organizations move toward measurable cyber defense outcomes.

Connect with DeepSeas to discuss practical security outcomes for your organization and environment.
Speak with an experienced cybersecurity provider about a solution shaped around your risks, tools, and priorities.
Discuss continuous monitoring, detection, and response delivered by the DeepSeas team.
Explore bring-your-own-stack support for SIEM, EDR, CNAPP, and other security technologies.
Connect with practitioners who support enterprise, mid-market, government, and education organizations.
Consider integrated advisory, offensive security, threat intelligence, MDR, and GRC capabilities.
Connect with cybersecurity specialists focused on practical, measurable 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.
The MDR office contact is a starting point for organizations exploring managed detection and response, monitoring, investigation, and cybersecurity support. You can use the inquiry to discuss your current tools, coverage needs, security team capacity, response preferences, or broader cyber defense goals. DeepSeas can then direct your request to the appropriate team or service area.
Share your security priorities and connect with the DeepSeas team.
Recognized as a top 40 MDR provider by Gartner.
Recognized as a Leader and top-five provider in 2024.
Award for competitive strategy leadership in MDR.
Recognition for strategy in global MDR best practices.
Tell DeepSeas what you need from your security operation, and the team will help identify a practical next step.
To help us assist you faster, please include the reason for your message so the relevant team can reach out as soon as possible.
To help us assist you faster, please include the reason for your message so the relevant team can reach out as soon as possible.