Cyber Security Consulting and Advisory

DeepSeas helps organizations turn cybersecurity from a fragmented technical concern into a measurable business advantage. Strategic advisors assess risk, strengthen security programs, guide governance, support compliance, and provide executive-level direction tailored to your environment. With nearly 30 years of cyber defense experience and expertise spanning enterprise, mid-market, government, education, and regulated organizations, DeepSeas delivers practical guidance connected to real operations.

Cybersecurity advisors reviewing risk dashboards with business leaders in a modern meeting room

Our Cyber Security Consulting Services

Strategic guidance, assessments, program development, compliance support, and executive advisory for complex cybersecurity needs.

Security Risk Assessments

Evaluate your cybersecurity program, identify prioritized risks, assess likely impacts, and create a practical treatment plan supported by documented findings and stakeholder input.

Security Program Development

Build or transform a security program through baseline assessment, maturity roadmaps, foundational policies, operational integration, governance, metrics, and continuous improvement.

Strategic Security Advisory

Receive senior counsel on security strategy, tool consolidation, organizational priorities, acquisitions, board communication, insurer reviews, and decisions requiring experienced judgment.

Virtual CISO Advisory

Gain CISO-level leadership for security strategy, governance, executive reporting, risk management, compliance guidance, budgeting, and ongoing cyber defense oversight.

Governance Risk Compliance

Develop and operate compliance programs with control mapping, gap assessments, policy development, continuous monitoring, organized evidence, and audit support.

Incident Readiness Exercises

Test response capabilities through tabletop exercises and realistic mock incidents that clarify roles, validate controls, strengthen coordination, and prioritize improvements.

Expert-Led Guidance

Make Cybersecurity A Strategic Advantage

DeepSeas connects strategic advice to the operational realities of your environment. Advisors help clarify what is most likely to compromise your organization, which investments matter most, and how to demonstrate progress to boards, insurers, auditors, customers, and internal stakeholders. Recommendations can support security program development, vCISO leadership, compliance readiness, risk reduction, and decisions about technology, people, and services.

Cybersecurity advisor presenting a prioritized security roadmap to executive stakeholders
Measured Security Progress

Trusted Cyber Outcomes

DeepSeas helps organizations replace uncertainty with prioritized decisions, operational evidence, and clearer cybersecurity 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?

DeepSeas combines strategic perspective with hands-on cybersecurity capabilities across the complete defense lifecycle.

Deep Experience

Nearly 30 years of cyber defense experience informs practical guidance for complex security decisions.

Complete Defense

Advisory connects with offensive security, threat intelligence, detection, response, and GRC capabilities.

Measured Outcomes

Programs focus on fewer surprises, shorter audit cycles, and measurable progress your stakeholders can understand.

Flexible Expertise

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

Meet The DeepSeas Team

Experienced practitioners and executives guide complex cybersecurity decisions.

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 is the role of a cybersecurity consultant?

A cybersecurity consultant evaluates an organization’s security risks, controls, processes, and priorities, then recommends practical improvements. Depending on the engagement, the consultant may support risk assessments, program development, governance, compliance, incident readiness, technology decisions, or executive reporting. The goal is to help leadership understand exposure, choose appropriate actions, and build security capabilities that align with business objectives.

What does a cyber security consultant do?

What does a cybersecurity consulting engagement include?

When should an organization hire a cybersecurity consultant?

Can cybersecurity consultants help develop a security program?

What is a vCISO and when is it useful?

Can cybersecurity consultants support compliance and audit readiness?

How does DeepSeas tailor cybersecurity advisory services?

Still Have Cybersecurity Questions?

Talk with DeepSeas advisors about your security priorities and next decision.

Recognized Cyber 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 by Gartner.

2024 Frost Radar Global Managed Detection and Response Market recognition

Frost Radar MDR Leader

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

Frost & Sullivan 2024 Best Practices Competitive Strategy Leadership Award

Frost & Sullivan Award

Received the 2024 Best Practices Competitive Strategy Leadership Award for Managed Detection and Response.

2024 Global MDR Best Practices Award for Strategy

Global MDR Best Practices Award

Recognized with the 2024 Global MDR Best Practices Award for Strategy.

Build A Clearer Cybersecurity Strategy

Share your priorities with DeepSeas and begin a focused conversation about risk, resilience, and security leadership.

Start Your Cybersecurity Consultation

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