Managed Detection Response
DeepSeas provides 24/7 detection and response across endpoint, network, cloud, identity, email, SaaS, and operational technology using your existing security tools.
DeepSeas delivers complete cyber defense for organizations in Miami seeking stronger visibility, faster response, and measurable risk reduction. From managed detection and response to penetration testing, exposure management, compliance support, and strategic advisory, our expert-led services help security teams address threats across IT, cloud, identity, email, and operational environments while building resilience for Florida’s evolving business landscape.

Integrated cybersecurity capabilities help Miami organizations prevent, detect, investigate, and respond to evolving threats.
DeepSeas provides 24/7 detection and response across endpoint, network, cloud, identity, email, SaaS, and operational technology using your existing security tools.
Ethical hackers use manual testing and adversary tradecraft to identify exploitable weaknesses across networks, cloud environments, applications, APIs, and physical access points.
Continuous attack surface monitoring, vulnerability management, dark web intelligence, and prioritization help identify where your organization is most likely to be compromised.
DeepSeas evaluates assets, controls, processes, and risks to create a prioritized, defensible plan for improving security and supporting business decisions.
Practitioner-led GRC services support policy development, control monitoring, evidence preparation, gap assessments, and readiness for recognized frameworks.
Experienced advisors and vCISO services help leaders set strategy, guide governance, prepare for audits, and align cybersecurity investment with business risk.
Miami organizations face interconnected risks across cloud systems, remote access, applications, identities, and third-party environments. DeepSeas brings these concerns together through managed detection and response, offensive security, exposure management, incident response, compliance support, and strategic guidance. Services work with the tools you already own, helping security teams reduce noise, focus on the most consequential risks, and document measurable progress.

DeepSeas helps organizations turn fragmented security activity into coordinated, documented cyber defense outcomes.
DeepSeas combines experienced practitioners, integrated capabilities, and continuous operational support.
Approximately 30 years of cyber defense experience support practical guidance for complex security challenges.
24/7 monitoring, detection, and response help Miami organizations address threats beyond standard business hours.
Bring-your-own-stack support works inside established SIEM, EDR, and CNAPP environments without unnecessary replacement.
Six cyber defense layers connect advisory, offensive security, intelligence, MDR, SOC operations, and GRC.
Experienced cybersecurity leaders guide complex security programs and 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.
Cybersecurity companies may provide managed detection and response, penetration testing, risk assessments, vulnerability and exposure management, incident response, governance and compliance support, dark web monitoring, and strategic advisory. DeepSeas combines these capabilities across its complete cyber defense offering, allowing organizations to address monitoring, testing, preparedness, governance, and long-term security strategy through connected services.
Speak with DeepSeas experts about your organization’s security 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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