Cybersecurity Risk Assessment
DeepSeas evaluates your information security program, assets, controls, processes, and people to identify prioritized risks and create a defensible treatment plan aligned with business objectives.
DeepSeas helps organizations understand, prioritize, and reduce cybersecurity risk with expert-led assessments, governance, compliance readiness, advisory, and continuous improvement. Built on approximately 30 years of cyber defense experience, our approach connects business priorities with practical security decisions, helping leaders prepare for audits, strengthen controls, support board conversations, and create measurable progress across complex technology environments.

Integrated advisory, assessment, governance, compliance, and readiness services help organizations turn cybersecurity risk into informed action.
DeepSeas evaluates your information security program, assets, controls, processes, and people to identify prioritized risks and create a defensible treatment plan aligned with business objectives.
Controlled penetration testing and attack simulations expose weaknesses in applications, infrastructure, and processes before real attackers find them, providing practical findings for remediation planning.
DeepSeas designs and strengthens cybersecurity programs through baseline assessment, roadmap development, capability integration, governance, policy creation, metrics, and continuous improvement.
Continuous controls monitoring, policy and control development, evidence organization, gap assessments, and reporting help organizations maintain an audit-ready and operationally relevant compliance program.
DeepSeas supports gap assessments, documentation, control implementation, evidence preparation, audit attendance, and remediation for organizations facing customer, regulatory, insurance, or certification requirements.
Experienced advisors help leaders make defensible decisions about security strategy, organizational risk, governance, investment, acquisitions, board reporting, and program priorities.
Audit and risk management should produce more than a report. DeepSeas connects assessment findings to business impact, remediation priorities, governance, and measurable improvement. Our specialists help organizations understand what deserves attention first, prepare evidence for auditors, and establish operating practices that remain useful after an engagement ends. Support can include risk assessments, compliance readiness, program development, advisory, and ongoing oversight.

See how integrated assessment, advisory, and compliance support can clarify priorities and strengthen cybersecurity decision-making.
DeepSeas combines experienced practitioners, broad cybersecurity capabilities, and practical guidance designed around your organization’s actual risk.
Approximately 30 years of cyber defense experience inform practical recommendations grounded in real operational challenges.
Specialists across risk, governance, compliance, advisory, offensive security, and defense connect findings to business decisions.
Prioritized plans, documented outcomes, and evidence help leaders track risk reduction instead of relying on assumptions.
Assessment and advisory can connect with managed detection, threat intelligence, exposure management, and compliance operations.
Experienced cybersecurity, governance, risk, and compliance practitioners support complex organizational decisions.

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.
An audit and risk management solution helps an organization identify cybersecurity risks, evaluate controls, prioritize treatment, prepare evidence, and improve governance. Services may include risk assessments, policy and control development, compliance readiness, audit support, security program development, and executive advisory. The goal is to connect technical findings with business impact so leaders can make informed decisions and demonstrate progress.
Talk with DeepSeas specialists about your audit, governance, or risk priorities.
Recognized as a top 40 Managed Detection and Response provider.
Recognized as a Leader and top-five provider in the 2024 Frost Radar Global Managed Detection and Response Market.
2024 Best Practices Competitive Strategy Leadership Award for Managed Detection and Response.
2024 Global MDR Best Practices Award for Strategy.
Share your priorities with DeepSeas and learn how assessment, advisory, governance, and compliance support can fit together.
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