Managed Detection Response
DeepSeas provides 24/7 detection and response across endpoint, network, cloud, identity, email, SaaS, and OT environments, using your existing security tools where possible.
DeepSeas delivers complete cyber defense for Hawaii organizations facing evolving threats, distributed environments, compliance demands, and limited security resources. From 24/7 managed detection and response to penetration testing, risk assessments, incident readiness, and strategic advisory, our expert-led services help identify exposure, strengthen defenses, and turn cybersecurity into a measurable strategic advantage for enterprise and mid-market teams.

Integrated cybersecurity services help Hawaii organizations monitor threats, assess risk, test defenses, and build resilient security programs.
DeepSeas provides 24/7 detection and response across endpoint, network, cloud, identity, email, SaaS, and OT environments, using your existing security tools where possible.
Assessments identify strengths, weaknesses, and prioritized risks through stakeholder interviews, asset review, risk workshops, and documented treatment planning aligned with organizational needs.
Ethical hackers use controlled attack simulations and real attacker tradecraft to uncover weaknesses in networks, cloud environments, applications, and security processes before adversaries exploit them.
Continuous exposure management maps internet-facing assets, identifies overlooked risks, monitors dark web signals, and prioritizes remediation according to exploitability and business criticality.
Governance, risk, and compliance services support control mapping, policy development, evidence preparation, gap assessments, and ongoing readiness for regulatory and customer requirements.
Tabletop exercises and readiness planning test response coordination, clarify responsibilities, identify process gaps, and help teams prepare for realistic cyber incidents before they occur.
Hawaii organizations face the same interconnected cyber risks as businesses nationwide, with additional complexity from distributed teams, remote operations, and critical technology dependencies. DeepSeas connects monitoring, offensive testing, threat intelligence, governance, and advisory into a coordinated program. Whether you need 24/7 response, clearer risk priorities, or stronger audit readiness, the approach is tailored to your existing tools, team, and business objectives.

DeepSeas helps organizations turn complex cyber risk into prioritized action, operational evidence, and stronger defensive outcomes.
DeepSeas combines experienced practitioners, continuous operations, and flexible services for measurable cybersecurity outcomes.
Continuous monitoring, detection, and response helps Hawaii organizations maintain visibility beyond standard business hours.
DeepSeas brings approximately 30 years of cyber defense experience and serves nearly 1,000 organizations worldwide.
Bring-your-own-stack support works with existing SIEM, EDR, and CNAPP tools instead of forcing unnecessary replacement.
Coverage spans IT, cloud, operational technology, mobile, and BYOD environments with practitioner-led guidance for complex risks.
Experienced cybersecurity practitioners connect strategy, operations, testing, and compliance.

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.
Common high-impact threats include credential theft, phishing and business email compromise, ransomware, exploitation of exposed vulnerabilities, and unauthorized lateral movement after an initial foothold. The most relevant risks vary by environment, industry, technology, and attacker activity. DeepSeas helps organizations identify which exposures matter most through monitoring, threat intelligence, risk assessments, penetration testing, and security program guidance.
Talk with DeepSeas experts about your risks, priorities, and security objectives.
DeepSeas provides cybersecurity services for organizations across Hawaii and supported locations throughout the United States.
Hawaii
Service Area
United States
Coverage
24/7 Monitoring
Availability
Connect with DeepSeas to discuss your organization’s security needs.
Recognized as a top 40 Managed Detection and Response provider.
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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