Security Program Development
Build a structured security program around business goals, risk priorities, policies, governance, metrics, and an operating cadence that supports continuous improvement.
DeepSeas provides CISO as a Service for organizations that need experienced security leadership without the cost and commitment of a full-time executive hire. Your vCISO helps shape strategy, manage cyber risk, guide governance, prepare executive reporting, support insurance and compliance needs, and connect security priorities to practical operational outcomes across your organization.
Strategic cybersecurity leadership, risk planning, governance, and advisory support designed around your organization’s priorities.
Build a structured security program around business goals, risk priorities, policies, governance, metrics, and an operating cadence that supports continuous improvement.
Receive senior counsel on security strategy, board communications, tool consolidation, internal capability decisions, acquisitions, divestitures, and insurer or executive reviews.
Gain a clear, defensible view of security strengths, weaknesses, vulnerabilities, and prioritized treatment options through stakeholder interviews, risk workshops, and documented analysis.
Develop governance structures, policies, controls, risk registers, and evidence processes that support regulatory, contractual, customer, and insurance requirements.
Prepare leadership and response teams through tabletop exercises, playbooks, escalation procedures, decision rights, and practical coordination across technical and business groups.
Prioritize external attack surface, vulnerability, credential, and AI security risks so leadership can focus resources on the exposures most likely to matter.
DeepSeas vCISO services give your organization access to CISO-equivalent expertise without the cost, search time, benefits, and retention risk of a full-time executive hire. Your advisor helps establish strategy, build roadmaps and budgets, oversee controls, guide governance, prepare executive and board reporting, and connect recommendations to operational evidence from DeepSeas’ broader cyber defense capabilities.
See how strategic guidance can create clearer priorities, stronger governance, and measurable cybersecurity progress.
"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 data security experts are top notch. They have helped us to improve our cybersecurity posture through risk assessments, penetration testing, and the development of a Data Governance Strategy. They are an invaluable partner."
DeepSeas connects executive cybersecurity guidance with the specialists and operational capabilities needed to act on it.
Nearly 30 years of cyber defense experience supports practical, informed security leadership.
Advisory guidance connects with offensive security, threat intelligence, MDR, SOC, and GRC capabilities.
Roadmaps and recommendations focus on evidence, risk reduction, and decisions leaders can defend.
Engagements can provide standing leadership or focused support for a specific strategic need.
Experienced cybersecurity leaders help turn complex risk into practical 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.
CISO as a Service provides access to experienced security leadership without requiring a full-time CISO hire. A vCISO can help establish cybersecurity strategy, manage risk, oversee controls, build roadmaps, support governance, prepare executive reporting, and guide decisions involving compliance, cyber insurance, budgets, and security operations. The engagement can be shaped around your organization’s current leadership capacity and most urgent priorities.
Talk with DeepSeas about your security priorities and leadership needs.
Recognized as a top 40 Managed Detection and Response provider by Gartner.
Recognized as a Leader and top-five provider in the 2024 Frost Radar Global Managed Detection and Response Market.
Received the 2024 Best Practices Competitive Strategy Leadership Award for Managed Detection and Response.
Received the 2024 Global MDR Best Practices Award for Strategy.
Share your priorities with DeepSeas and discuss how vCISO leadership can support your organization.
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