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.
DeepSeas delivers complete cybersecurity services for organizations in Houston, Texas, combining managed detection and response, offensive security, risk assessments, compliance support, and strategic advisory. With 24/7 monitoring, practitioner-led expertise, and support for the tools you already own, DeepSeas helps businesses identify threats earlier, reduce exposure, strengthen resilience, and make cybersecurity a measurable strategic advantage.

Integrated cybersecurity capabilities help Houston organizations detect threats, reduce exposure, test defenses, and strengthen security programs.
DeepSeas provides 24/7 detection and response across endpoint, network, cloud, identity, email, SaaS, and OT environments, using your existing security tools.
Ethical hackers use manual testing, adversary emulation, and real attacker tradecraft to identify weaknesses in networks, applications, cloud environments, and processes.
Continuous attack-surface monitoring, vulnerability prioritization, dark web intelligence, and threat context help identify where your organization is most likely to be compromised.
DeepSeas evaluates security controls, assets, processes, and potential scenarios to produce prioritized risk treatment plans that support informed business decisions.
GRC services support policy development, control monitoring, evidence organization, gap assessments, audit readiness, and ongoing compliance program delivery.
Experienced advisors help leaders set security strategy, build roadmaps, prepare for board or insurer reviews, and make practical decisions about cybersecurity investment.
Houston organizations face increasingly connected risks across IT, cloud, identity, applications, and operational environments. DeepSeas brings these areas together through customizable cybersecurity services, including 24/7 monitoring and response, offensive testing, threat intelligence, exposure management, compliance support, and advisory. The team works with the security tools you already own while providing measurable guidance to help reduce risk and improve resilience.

DeepSeas helps organizations turn complex cyber risk into prioritized, measurable security actions.
DeepSeas combines experienced practitioners, continuous operations, and broad cybersecurity capabilities under one accountable partner.
Nearly 30 years of cyber defense experience supports practical guidance for complex security environments.
Continuous monitoring, detection, and response help Houston organizations maintain visibility beyond business hours.
Advisory, testing, intelligence, MDR, SOC, and GRC capabilities connect into one cybersecurity program.
Bring-your-own-stack support helps teams use current SIEM, EDR, and CNAPP investments without unnecessary replacement.
Experienced cybersecurity practitioners guide strategy, operations, risk, 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.
This question usually refers to cybersecurity salaries rather than the cost of hiring a cybersecurity provider. The provided service information does not include Houston compensation data. DeepSeas offers cybersecurity services for organizations, including managed detection and response, penetration testing, risk assessments, compliance support, and advisory. Service pricing is not specified in the available information and may vary by the selected service and environment.
Talk with DeepSeas about your organization’s security priorities and risk environment.
Held by DeepSeas specialists.
Recognized by Gartner in 2023.
Recognized as a Leader and top-five provider.
Award for Managed Detection and Response strategy.
Recognition for global MDR strategy.
Connect with DeepSeas to discuss monitoring, testing, compliance, advisory, or complete cyber defense services.
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