Managed Detection Response
DeepSeas provides 24/7 detection and response across endpoint, network, cloud, identity, email, SaaS, and OT environments, using existing security tools wherever possible.
DeepSeas delivers complete cybersecurity services for organizations in Jacksonville, combining 24/7 monitoring, threat detection, offensive testing, risk assessments, compliance support, and strategic advisory. Our expert-led approach works with the tools you already own to reduce exposure, strengthen resilience, and produce measurable security outcomes for growing, regulated, and enterprise organizations.
Integrated cybersecurity capabilities that help Jacksonville organizations detect threats, reduce exposure, and build stronger security programs.
DeepSeas provides 24/7 detection and response across endpoint, network, cloud, identity, email, SaaS, and OT environments, using existing security tools wherever possible.
Assessments identify strengths, weaknesses, and prioritized risks through stakeholder interviews, asset review, risk workshops, and documented treatment planning.
Ethical hackers conduct controlled attack simulations across networks, cloud environments, applications, APIs, and physical or social vectors to expose weaknesses before attackers do.
Continuous external attack surface monitoring, vulnerability prioritization, and dark web intelligence help identify where your organization is most likely to be compromised.
DeepSeas designs and operates compliance programs with control mapping, evidence packaging, gap assessments, policy development, and ongoing monitoring.
Senior advisors support security strategy, board communication, program transformation, acquisitions, insurance reviews, and decisions about internal and outsourced capabilities.
Jacksonville organizations face interconnected risks across employees, cloud systems, applications, networks, and operational environments. DeepSeas brings these perspectives together through a six-layer cyber defense approach spanning advisory, offensive security, threat intelligence, managed detection and response, CyberFusion SOC operations, and governance, risk, and compliance. The result is practical guidance and continuous protection that works with your existing technology rather than forcing unnecessary replacement.
DeepSeas helps organizations turn cybersecurity complexity into measurable, documented, and actionable outcomes.
"DeepSeas data security experts are top notch. They have helped us to improve our cybersecurity posture through risk assessments, penetration testing, and the development of a Data Governance Strategy. They are an invaluable partner."
DeepSeas combines experienced practitioners, continuous operations, and flexible services for organizations with meaningful security needs.
Nearly 30 years of cyber defense experience supporting organizations across complex security environments.
24/7 monitoring, detection, and response help Jacksonville organizations maintain visibility beyond business hours.
Bring-your-own-stack support helps teams use existing SIEM, EDR, and CNAPP investments without unnecessary disruption.
Advisory, offensive security, intelligence, operations, and compliance work together instead of creating disconnected recommendations.
Experienced cybersecurity practitioners bring strategy, operations, and technical depth to every engagement.
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.
DeepSeas provides managed detection and response, endpoint and network monitoring, penetration testing, compromise assessments, exposure management, vulnerability management, governance and compliance support, incident response readiness, virtual CISO services, and strategic security advisory. Services can be combined into an integrated program or selected to address a specific need such as an audit, acquisition, security review, or active operational gap.
Talk with DeepSeas experts about your current risks, tools, and cybersecurity priorities.
Recognized as a top 40 Managed Detection and Response provider by Gartner.
Recognized as a Leader and top-five provider in the 2024 Frost Radar Global MDR Market.
Received the 2024 Best Practices Competitive Strategy Leadership Award for MDR.
Received the 2024 Global MDR Best Practices Award for Strategy.
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