Protect your organization against evolving digital threats with tailored advisory, compliance management, and strategic security leadership. DeepSeas provides enterprise-grade cyber defenses sized for growing organizations without demanding massive internal overhead. We align your tools, evaluate existing vulnerabilities, and establish clear roadmaps so leadership can focus on sustainable growth with confidence.
Customized security advisory and defense strategies engineered to protect growing companies from complex cyber risks.
Access executive-level security leadership without full-time executive overhead. Your dedicated advisor establishes governance frameworks, handles executive reporting, and aligns security initiatives directly with key business objectives.
Receive objective counsel on tool consolidation, security investments, and architecture decisions. We guide your leadership through complex technology decisions and prepare programs for partner reviews.
Build an enduring, business-aligned cybersecurity program sized for your staff. We design practical policies, establish operating metrics, and structure governance controls around actual threats.
Identify critical vulnerabilities across networks, endpoints, and processes. Our prioritized evaluations reveal where your organization is most exposed, separating urgent defensive needs from untidy administrative findings.
Prepare seamlessly for frameworks like SOC 2, ISO 27001, and HIPAA. We implement continuous controls monitoring and assemble audit-ready evidence to satisfy clients and regulators.
Simulate realistic adversary attacks across web applications, networks, and cloud infrastructure to identify systemic flaws before attackers can exploit them in live business operations.
We establish baseline security assessments, define a clear target vision, and pinpoint the exact resources needed to bridge critical defense gaps across your systems.
See how our proactive advisory empowers organizations to satisfy rigorous audits and defend digital assets.
"DeepSeas is a pleasure to work with. They produce consistent and outstanding results for us and our program, while being thorough, knowledgeable, and easy to work with. We have not had a finding in a certification/re-certification audit in three years across five ISO standards!"
We deliver proven, senior-led cyber defense strategies backed by thirty years of hands-on security experience.
Decades of cyber defense knowledge guiding organizations with tested, dependable security strategies.
Integrate seamlessly into existing tooling without forced hardware upgrades or unnecessary licensing costs.
Advisory delivered directly by certified experts, including certified ISO Lead Auditor specialists.
Clear risk reduction reporting structured specifically for corporate boards, insurers, and clients.
Decades of veteran leadership and accredited technical expertise.
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.
A cybersecurity consultant is an experienced professional who evaluates an organization's security posture, discovers vulnerabilities, and designs defensive strategies. They assess digital infrastructure, analyze compliance obligations, recommend remediation measures, and help leadership implement effective controls. Rather than merely supplying software tools, consultants offer strategic guidance to ensure technology, personnel, and governance align to protect critical business assets.
Speak directly with our security advisors to discuss tailored consulting for your organization.
Recognized as a top 40 MDR provider by Gartner.
Named a Leader and top-five global MDR provider.
Honored with Best Practices Competitive Strategy Leadership Award.
Certifications held by DeepSeas GRC specialists.
Contact our advisory team today to discuss your business risk, compliance deadlines, and strategic cybersecurity goals.
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