Managed Detection Response
DeepSeas provides continuous detection and response across endpoint, network, cloud, identity, email, SaaS, and OT environments, using existing security tools where appropriate.
DeepSeas helps Houston, TX organizations strengthen cyber resilience with managed detection and response, risk assessments, penetration testing, compliance support, and strategic security advisory. Our expert-led approach connects people, technology, and processes to identify threats earlier, reduce exposure, and produce measurable security outcomes for growing businesses, regulated organizations, and public-sector teams.
Integrated cybersecurity capabilities help Houston organizations detect threats, reduce exposure, meet requirements, and improve security operations.
DeepSeas provides continuous detection and response across endpoint, network, cloud, identity, email, SaaS, and OT environments, using existing security tools where appropriate.
Security risk assessments identify strengths, weaknesses, and prioritized risks through stakeholder interviews, asset inventory, risk workshops, and documented treatment planning.
Ethical hackers conduct controlled testing across networks, applications, cloud environments, and other attack surfaces to expose weaknesses before malicious actors exploit them.
DeepSeas supports control mapping, gap assessments, documentation, evidence preparation, and audit readiness for organizations facing customer, regulatory, or insurance requirements.
Incident response specialists help scope, contain, investigate, and recover from cyber incidents while supporting threat research, digital forensics, and process improvement.
Security advisors provide practical guidance for governance, risk management, board reporting, program development, budgeting, and cybersecurity decisions.
Houston organizations face complex security demands across cloud systems, endpoints, applications, identities, and operational environments. DeepSeas connects managed monitoring, offensive testing, exposure management, advisory, incident response, and compliance support into a coordinated program. With approximately 30 years of cyber defense experience and coverage for organizations across Texas and the United States, the team helps reduce surprises and turn security activity into measurable outcomes.
DeepSeas supports nearly 1,000 organizations worldwide with proactive, customized, and measurable cybersecurity outcomes.
"DeepSeas allows my team to deliver the compliance needed to stay up-to-date with all of our governing bodies. Furthermore, we are more confident that our staff, faculty, and students are better protected with DeepSeas as a cybersecurity partner. Without a doubt, DeepSeas is worth every dollar spent. This is our..."
A practitioner-led security partner brings strategy, operations, and measurable risk reduction together.
Approximately 30 years of cyber defense experience support practical security decisions for complex organizations.
24/7 monitoring, detection, and response help Houston organizations address threats beyond normal business hours.
A six-layer cyber defense stack connects advisory, offensive security, intelligence, MDR, SOC, and GRC capabilities.
DeepSeas works with existing SIEM, EDR, and CNAPP tools instead of requiring an unnecessary technology replacement.
Experienced cybersecurity practitioners guide strategy, operations, 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.
DeepSeas provides managed detection and response, network and endpoint monitoring, security risk assessments, penetration testing, vulnerability management, incident response, compliance readiness, strategic security advisory, virtual CISO support, and security program development. Capabilities can be combined into a broader cybersecurity program or selected individually around a specific business, technology, compliance, or incident-response need.
Talk with DeepSeas about your organization’s security priorities and exposure.
Held by DeepSeas specialists.
2023 recognition as a top 40 MDR provider.
Recognized as a Leader and top-five provider.
Award for Managed Detection and Response competitive strategy leadership.
2024 award recognizing MDR strategy.
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