Complete Security Risk Solutions Company

DeepSeas helps organizations identify, prioritize, and reduce cyber risk through expert-led assessments, managed detection and response, offensive security, governance, compliance, and strategic advisory. With approximately 30 years of experience serving nearly 1,000 organizations worldwide, DeepSeas delivers measurable protection across IT, cloud, operational technology, mobile, and BYOD environments without requiring you to replace the tools you already own.

Cybersecurity analysts reviewing risk dashboards and threat intelligence in a modern security operations center

Our Security Risk Solutions Services

Integrated cybersecurity services help organizations assess exposure, strengthen defenses, manage compliance, and respond to evolving threats.

Risk Assessments

DeepSeas evaluates cybersecurity posture, assets, controls, processes, and potential impact to create a prioritized, defensible plan for reducing organizational risk.

Managed Detection Response

Continuous monitoring, investigation, and response across endpoint, network, cloud, identity, email, SaaS, and operational technology environments, using tools you already own.

Penetration Testing

Ethical hackers use manual testing, adversary emulation, and real attacker tradecraft to expose weaknesses in networks, applications, cloud environments, and processes.

Exposure Management

DeepSeas maps external attack surfaces, identifies unknown assets and exposed credentials, and prioritizes vulnerabilities by exploitability, asset criticality, and threat activity.

Security Program Development

Build or mature governance, policies, controls, metrics, operating processes, and roadmaps aligned with business goals and the organization’s actual security capabilities.

Governance Compliance

Design and operate compliance programs with control development, evidence organization, continuous monitoring, gap assessments, and support for audits and customer requirements.

Measurable Cyber Defense

Turn Cyber Risk Into Actionable Priorities

DeepSeas connects assessment, monitoring, offensive testing, advisory, and compliance into a coordinated security program. Instead of leaving your team with disconnected findings or forwarded alerts, specialists identify what is most likely to compromise your organization, what matters most to fix, and how to demonstrate progress. Coverage can extend across IT, cloud, OT, mobile, and BYOD while supporting existing security tools and governance.

Security professionals collaborating on a prioritized cybersecurity risk plan
Experience That Scales

Trusted Cyber Outcomes

DeepSeas supports enterprise, mid-market, government, education, and regulated organizations with practical cyber defense expertise.

"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?

A practitioner-led partner connects strategic guidance with the operational work required to reduce cyber risk.

Proven Experience

Approximately 30 years of cyber defense experience supporting nearly 1,000 organizations worldwide.

Integrated Coverage

One security partner spans advisory, offensive security, intelligence, detection, response, and compliance.

Existing Tools

Bring-your-own-stack support helps organizations use established SIEM, EDR, and CNAPP investments.

Continuous Visibility

24/7 monitoring and response help organizations identify and address threats before they become larger disruptions.

Meet The DeepSeas Team

Experienced cybersecurity leaders connect technical expertise with business-focused risk 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 are security risk solutions?

Security risk solutions are services and capabilities that help an organization understand its cyber exposure, prioritize weaknesses, strengthen controls, detect threats, and respond effectively. They may include cybersecurity risk assessments, penetration testing, managed detection and response, vulnerability management, exposure management, governance and compliance, incident readiness, and strategic security advisory. The right combination depends on the organization’s risks, operating model, technology, and security objectives.

Why should an organization conduct a cybersecurity risk assessment?

What does managed detection and response include?

How can penetration testing reduce security risk?

What is exposure management?

Can DeepSeas work with our existing security tools?

Does DeepSeas provide compliance and audit readiness support?

Can DeepSeas provide strategic security leadership?

Ready To Address Your Cyber Risk?

Talk with DeepSeas about the security priorities affecting your organization.

Recognized Expertise

Awards and Recognition

ISO Lead Auditor certification recognition for DeepSeas specialists

ISO Lead Auditor Certifications

ISO Lead Auditor certifications held by DeepSeas specialists.

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 Leader

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

Frost and Sullivan 2024 Best Practices Competitive Strategy Leadership Award

Frost Sullivan Leadership Award

2024 Best Practices Competitive Strategy Leadership Award for MDR.

2024 Global MDR Best Practices Award for Strategy

2024 Global MDR Award

2024 Global MDR Best Practices Award for Strategy.

Build A More Defensible Security Program

Share your priorities and connect with DeepSeas specialists about practical next steps.

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