Managed Detection Response
DeepSeas provides 24/7 detection and response across endpoint, network, cloud, identity, email, SaaS, and OT environments using the security tools your organization already owns.
Explore how DeepSeas helps organizations in Richmond, VA strengthen cyber resilience through managed detection and response, offensive security, risk assessments, compliance support, incident readiness, and strategic advisory. With nearly 30 years of cyber defense experience and coverage across enterprise, mid-market, government, education, healthcare, and industrial environments, DeepSeas delivers measurable protection tailored to evolving threats.

Integrated cybersecurity services help Richmond organizations identify exposure, strengthen defenses, and respond confidently to evolving threats.
DeepSeas provides 24/7 detection and response across endpoint, network, cloud, identity, email, SaaS, and OT environments using the security tools your organization already owns.
Ethical hackers conduct controlled attack simulations across networks, applications, cloud environments, and social engineering channels to reveal weaknesses before malicious actors exploit them.
Continuous external attack surface monitoring, dark web intelligence, and vulnerability prioritization help security teams focus on the exposures most likely to lead to compromise.
DeepSeas evaluates your controls, processes, assets, and people to create a defensible view of cybersecurity risk and a prioritized plan for improvement.
Governance, risk, and compliance services support policy development, control monitoring, evidence preparation, audit readiness, and ongoing regulatory requirements.
Experienced advisors and vCISO support help leaders shape security strategy, governance, budgets, executive reporting, and practical transformation roadmaps.
Richmond organizations face different combinations of operational, regulatory, and technology risk. DeepSeas connects managed detection, offensive testing, threat intelligence, exposure management, incident response, and governance into a coordinated security program. Whether you need support inside existing tools or a broader cyber defense partner, the approach is customized to your environment, priorities, and business objectives.

DeepSeas helps organizations turn complex cyber risk into measurable, actionable security outcomes.
DeepSeas combines broad capabilities with experienced practitioners and measurable cybersecurity outcomes.
Nearly 30 years of cyber defense experience supports practical guidance for complex security challenges.
24/7 monitoring, detection, and response help organizations address threats beyond regular business hours.
Bring-your-own-stack support helps Richmond organizations build on established SIEM, EDR, and CNAPP investments.
Documented findings, actions, and risk reduction provide evidence for leadership, auditors, insurers, and customers.
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.
Cybersecurity companies may provide managed detection and response, penetration testing, vulnerability and exposure management, risk assessments, incident response, governance and compliance, security program development, and strategic advisory. DeepSeas offers these capabilities across endpoint, network, cloud, identity, email, SaaS, operational technology, mobile, and BYOD environments, allowing organizations to address connected security needs through one expert-led provider.
Talk with DeepSeas about your organization's security priorities and exposure.
Recognition as a top 40 MDR provider by Gartner.
Recognition as a Leader and top-five MDR provider.
Competitive Strategy Leadership Award for MDR.
Global MDR Best Practices Award for Strategy.
Share your priorities with DeepSeas and explore a practical path toward measurable cyber defense.
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To help us assist you faster, please include the reason for your message so the relevant team can reach out as soon as possible.