Enterprise Security Consulting and Training

Build a security program your organization can operate, measure, and improve. DeepSeas combines strategic advisory, risk assessments, program development, governance support, incident readiness, and practical training to help enterprise and mid-market teams make informed decisions, strengthen resilience, and demonstrate progress. Its practitioner-led approach supports organizations across the United States with security guidance grounded in operational realities.

Cybersecurity consultants conducting an enterprise security strategy session

Our Enterprise Security Services

Practical consulting and training services that help organizations strengthen strategy, operations, governance, and workforce readiness.

Security Risk Assessments

DeepSeas evaluates your security program, assets, controls, processes, and risks, then delivers prioritized guidance to support business, board, audit, and compliance decisions.

Program Development

Build a sustainable cybersecurity program through baseline assessment, future-state planning, foundational policies, operational integration, and continuous improvement aligned with organizational risk.

Strategic Security Advisory

Receive senior counsel for security strategy, tool consolidation, acquisitions, insurer reviews, board conversations, budgeting, and decisions that require experienced operational judgment.

Virtual CISO Advisory

Extend your leadership capacity with CISO-level guidance covering governance, risk management, executive reporting, cyber insurance, strategic planning, and security program oversight.

Incident Readiness Training

Prepare security, IT, legal, communications, and executive teams through response planning, tabletop exercises, mock incidents, playbooks, escalation guidance, and improvement recommendations.

Governance And Compliance

Develop practical governance and compliance programs with policy support, control development, gap assessments, evidence organization, and continuous readiness guidance.

Practical Expert Guidance

Turn Security Strategy Into Action

Enterprise security consulting should produce decisions your team can defend and actions your organization can execute. DeepSeas connects strategic advisory with assessments, governance, program development, incident readiness, and operational security capabilities. Its specialists help clarify what matters most, prioritize improvements, and align security investment with business risk. Training and knowledge transfer help your team build ownership rather than depend on disconnected recommendations.

Security consultant presenting a cybersecurity roadmap to enterprise leaders
Built For Progress

Security Outcomes That Matter

DeepSeas helps organizations turn cybersecurity priorities into measurable, practical, and sustainable outcomes.

"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."

Christine
Christine
The DeepSeas Difference

Why Choose DeepSeas?

Get practitioner-led guidance designed around your organization, risk profile, existing tools, and strategic priorities.

Deep Experience

Nearly 30 years of cyber defense experience informs practical recommendations for complex enterprise environments.

Expert-Led

Senior practitioners connect strategy, operations, governance, compliance, and response instead of delivering isolated advice.

Customized Guidance

Flexible combinations of technology, personnel, consulting, and training are tailored to your organization’s needs.

Measurable Outcomes

Prioritized roadmaps and documented progress help leadership, boards, auditors, and insurers understand security improvement.

Meet The DeepSeas Team

Experienced cybersecurity leaders bring strategic, technical, and governance expertise.

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 a security consultant do?

A security consultant evaluates an organization’s security posture, identifies meaningful risks, and helps leaders decide what to improve first. Depending on the engagement, this can include risk assessments, security program design, governance, policies, compliance readiness, incident response planning, executive advisory, and workforce training. DeepSeas focuses on practical recommendations that align security capabilities with business priorities and operational realities.

What does enterprise security do?

What is included in enterprise security consulting?

How can a security risk assessment help our organization?

Can DeepSeas help develop a cybersecurity program?

What is the difference between a vCISO and a security consultant?

Can security consulting support compliance and audits?

Does enterprise security training include incident response exercises?

Ready To Strengthen Your Security Program?

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

Recognized And Certified

Awards and Recognition

ISO Lead Auditor certification reference for DeepSeas specialists

ISO Lead Auditor certifications held by DeepSeas specialists

ISO Lead Auditor certifications held by DeepSeas specialists.

Gartner top 40 Managed Detection and Response provider recognition

Gartner top 40 Managed Detection and Response provider recognition

Recognition as a top 40 Managed Detection and Response provider by Gartner.

2024 Frost Radar Managed Detection and Response recognition

2024 Frost Radar Global Managed Detection and Response Market Leader and top-five provider recognition

Recognition as a Leader and top-five provider in the 2024 Frost Radar market.

Frost and Sullivan 2024 Competitive Strategy Leadership Award

Frost & Sullivan 2024 Best Practices Competitive Strategy Leadership Award for Managed Detection and Response

Award for Competitive Strategy Leadership in Managed Detection and Response.

2024 Global MDR Best Practices Award for Strategy

2024 Global MDR Best Practices Award for Strategy

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

Build A Stronger Security Program

Share your priorities with DeepSeas and explore practical consulting, advisory, and training options.

Build A Stronger Security Program

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