Cyber Strategy and Cybersecurity Consulting

Build a cybersecurity program that supports business objectives, reduces uncertainty, and produces measurable outcomes. DeepSeas combines strategic advisory, risk assessments, offensive security, governance, compliance, threat intelligence, and managed defense into a customized approach for enterprise and mid-market organizations across the United States. With nearly 30 years of experience, its experts help leaders make informed security decisions and strengthen resilience.

Cybersecurity consultants reviewing threat intelligence and security strategy in a modern operations center

Our Cybersecurity Consulting Services

Integrated advisory, assessment, testing, compliance, and defense services designed around your organization’s actual cyber risk.

Security Program Development

DeepSeas builds cybersecurity programs around business goals, risk, governance, policies, metrics, and operating capabilities, helping organizations move from reactive security to continuous improvement.

Strategic Security Advisory

Senior advisors help leaders make consequential security decisions, prepare for board and insurer discussions, prioritize investments, and align cybersecurity strategy with business objectives.

Cybersecurity Risk Assessments

Structured assessments examine assets, controls, processes, and likely attack paths to identify prioritized risks and create a defensible plan for treatment, mitigation, transfer, or acceptance.

Virtual CISO Advisory

A DeepSeas vCISO provides executive-level guidance for governance, risk management, reporting, security planning, compliance requirements, and ongoing oversight without requiring a full-time CISO hire.

Offensive Security Testing

Ethical hackers use penetration testing, red teaming, adversary emulation, and social engineering assessments to reveal weaknesses and validate whether security controls work as intended.

Governance Risk Compliance

GRC specialists develop policies, controls, evidence, risk registers, and compliance programs that support audit readiness and ongoing requirements across recognized security frameworks.

Expert-Led Cyber Strategy

Turn Cyber Risk Into Strategic Advantage

Cybersecurity strategy should do more than document weaknesses. DeepSeas connects executive advisory with practical security operations, offensive testing, threat intelligence, governance, compliance, and managed detection. The result is a program shaped around your organization’s real exposure, existing tools, available resources, and business priorities. Whether you need a new foundation, stronger oversight, or specialized expertise, DeepSeas helps turn cyber risk into informed action.

Cybersecurity advisor presenting a strategic risk roadmap to business leaders
Measured Risk Reduction

Cybersecurity Outcomes

Explore how integrated cyber defense helps organizations strengthen security, prepare for scrutiny, and make better-informed decisions.

"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!"

Ed Jones
Ed Jones
The DeepSeas Difference

Why Choose DeepSeas?

DeepSeas combines strategic perspective with hands-on cybersecurity expertise and operational capabilities.

Deep Experience

Nearly 30 years of cyber defense experience informs practical recommendations and durable security programs.

Integrated Expertise

Advisory, offensive security, intelligence, detection, response, and GRC work together instead of operating in silos.

Measurable Outcomes

Programs emphasize documented progress, clearer priorities, shorter audit cycles, and measurable return on investment.

Flexible Partnership

Customized combinations of technology, personnel, and services support organizations as their security needs evolve.

Meet The DeepSeas Team

Experienced cybersecurity leaders bring strategy, operations, and governance together.

Portrait of Lewie Dunsworth, Chief Executive Officer at DeepSeas

Lewie Dunsworth

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.

Portrait of Keith Robertson, Risk Management and Compliance Executive at DeepSeas

Keith Robertson

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.

Portrait of Sean Duffy, Cybersecurity and Legal Advisor at DeepSeas

Sean Duffy

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.

Portrait of Matt Lammers, CISO and IT Risk Executive at DeepSeas

Matt Lammers

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.

Frequently Asked Questions

What does cybersecurity consulting include?

Cybersecurity consulting can include strategy, risk assessments, security program development, vCISO advisory, governance and compliance, penetration testing, incident readiness, and managed security guidance. DeepSeas combines these capabilities according to an organization’s priorities rather than applying one fixed package. The engagement may focus on a specific decision, a broader transformation, or ongoing support for a developing security program.

Why does an organization need a cybersecurity strategy?

What is included in a cybersecurity risk assessment?

What is the difference between a vCISO and cybersecurity consulting?

Can DeepSeas help develop a security program from the ground up?

Does cybersecurity consulting include penetration testing?

Can DeepSeas support compliance and audit readiness?

How does DeepSeas customize cybersecurity recommendations?

Ready To Strengthen Your Cyber Strategy?

Talk with DeepSeas experts about your priorities, risks, and next steps.

Recognized Expertise

Awards and Recognition

Gartner top 40 Managed Detection and Response provider recognition

Gartner Top 40 MDR Provider

Recognized as a top 40 Managed Detection and Response provider.

2024 Frost Radar Global Managed Detection and Response Market recognition

2024 Frost Radar MDR Leader

Recognized as a Leader and top-five provider in the 2024 Frost Radar Global Managed Detection and Response Market.

Frost and Sullivan 2024 Best Practices Competitive Strategy Leadership Award

Frost & Sullivan 2024 Award

Best Practices Competitive Strategy Leadership Award for Managed Detection and Response.

2024 Global MDR Best Practices Award recognition

2024 Global MDR Best Practices Award

Recognition for strategy in the 2024 Global MDR Best Practices Award.

Build A More Resilient Security Program

Share your cybersecurity priorities and connect with DeepSeas experts about a practical path forward.

Contact Us Today

To help us assist you faster, please include the reason for your message so the relevant team can reach out as soon as possible.