Network Detection Response
DeepSeas correlates network telemetry with endpoint, identity, and cloud activity to uncover lateral movement, command and control, data staging, and unmanaged devices.
DeepSeas delivers network security services in Houston for organizations that need clearer visibility, stronger detection, and coordinated response across modern environments. From managed detection and response to network assessments, SIEM operations, and OT monitoring, our expert-led approach works with your existing tools to identify threats, reduce exposure, and support measurable cybersecurity outcomes across IT, cloud, identity, email, and operational technology.
Integrated network security offerings help Houston organizations monitor activity, investigate threats, test defenses, and strengthen cyber resilience.
DeepSeas correlates network telemetry with endpoint, identity, and cloud activity to uncover lateral movement, command and control, data staging, and unmanaged devices.
24/7 detection and response operates inside the security tools you already own, with AI-assisted triage and analysts who investigate, contain, and document meaningful events.
DeepSeas operates detection, tuning, investigation, and response through your existing SIEM or a managed SIEM option, helping reduce alert noise and operational burden.
Manual testing examines external and internal network paths, Active Directory, APIs, wireless systems, cloud environments, and physical access points to reveal exploitable attack chains.
Specialized monitoring protects operational technology and industrial control environments while keeping safety, uptime, and plant-specific response constraints central to every action.
Continuous attack surface mapping, vulnerability prioritization, dark web monitoring, and threat intelligence identify the exposures most likely to affect your organization.
Houston organizations need network security that connects activity across environments instead of creating another disconnected alert queue. DeepSeas combines network telemetry with endpoint, identity, cloud, email, and operational technology signals to investigate the full path of an intrusion. This approach helps identify unmanaged devices, credential misuse, lateral movement, and exposed assets while supporting the practical needs of Texas businesses and distributed teams.
DeepSeas helps organizations turn complex security data into prioritized action, documented outcomes, and stronger cyber defense.
"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..."
DeepSeas brings experienced practitioners, connected services, and measurable security outcomes to Houston organizations.
Nearly 30 years of cyber defense experience supports informed decisions across complex security environments.
24/7 monitoring, detection, and response helps Houston organizations address threats beyond normal business hours.
Bring-your-own-stack support works with established SIEM, EDR, and CNAPP investments without requiring replacement.
Coverage spans IT, cloud, operational technology, mobile, and BYOD environments for a more complete security view.
Experienced cybersecurity practitioners support security programs across industries and environments.
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.
Network security services help organizations monitor network activity, identify suspicious behavior, investigate threats, test defenses, and coordinate response. They may include network detection and response, managed detection and response, SIEM operations, vulnerability management, exposure management, penetration testing, and OT monitoring. DeepSeas connects these capabilities with endpoint, identity, cloud, email, and other security data to support a more complete investigation.
Speak with DeepSeas experts about your environment, priorities, and existing security tools.
Named specialist certification in Company Info.
2023 Gartner recognition listed by DeepSeas.
2024 Frost Radar recognition listed by DeepSeas.
2024 Frost & Sullivan award listed by DeepSeas.
2024 Global MDR award listed by DeepSeas.
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