DeepSeas Complete
A coordinated cyber defense program combining managed detection and response, offensive security, exposure management, threat intelligence, compliance support, and strategic advisory in one flexible engagement.
DeepSeas brings detection, response, offensive security, exposure management, governance, and strategic advisory together in one coordinated cyber defense program. Designed for organizations that need measurable risk reduction without fragmented providers, these solutions connect your existing tools, security operations, and leadership priorities so threats are identified earlier, investigations move faster, and cybersecurity becomes a strategic advantage.
Coordinate prevention, detection, response, governance, and advisory through a unified cybersecurity program tailored to your organization.
A coordinated cyber defense program combining managed detection and response, offensive security, exposure management, threat intelligence, compliance support, and strategic advisory in one flexible engagement.
Continuous detection and response across endpoint, network, cloud, identity, email, SaaS, and OT environments, delivered through existing security tools with analysts owning investigation and judgment.
Continuously map external assets, leaked credentials, vulnerabilities, and AI security exposure, then prioritize findings by exploitability, asset criticality, and current threat activity.
Controlled attack simulations, penetration testing, red teaming, and adversary emulation reveal attack paths and validate whether security controls can withstand real attacker tradecraft.
Design and operate governance, risk, and compliance programs with control mapping, evidence packaging, gap assessments, continuous monitoring, and audit-ready reporting.
Senior advisors and vCISO support help leaders set strategy, prioritize investment, prepare for scrutiny, and connect cybersecurity decisions to business risk.
Integrated threat management connects the capabilities organizations often buy separately: monitoring, response, testing, exposure reduction, compliance, and executive guidance. DeepSeas works within the tools and governance you already use, combining machine-speed triage with expert judgment and coordinated investigation. The result is a clearer view of cyber risk, fewer disconnected handoffs, and measurable progress across the security program.
See how coordinated cyber defense helps organizations reduce exposure, strengthen operations, and make security decisions with confidence.
"In cybersecurity we were not looking for a vendor, we were looking for a trusted partner that could push us, challenge us, and ensure we got better at protecting our systems every day. We found that partner with DeepSeas, and they have helped us be far smarter and better than..."
"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!"
DeepSeas combines operational security expertise with strategic guidance to help organizations manage cyber risk as one connected program.
Connect monitoring, testing, advisory, compliance, and threat intelligence through one coordinated cyber defense partner.
Bring your existing SIEM, EDR, and CNAPP investments without requiring a rip-and-replace approach.
Work with practitioners whose experience spans enterprise, mid-market, government, education, and regulated environments.
Document risk reduction, operational outcomes, and evidence that supports boards, auditors, insurers, and customers.
Experienced cybersecurity practitioners guide every stage of your defense program.
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.
Integrated threat management solutions bring multiple cybersecurity capabilities into one coordinated program. Depending on your needs, this can include managed detection and response, offensive security, exposure management, threat intelligence, governance and compliance, incident response, and strategic advisory. The goal is to connect people, processes, and technology so investigations, remediation, reporting, and risk decisions are not handled through disconnected security silos.
Speak with DeepSeas about the security capabilities your organization 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.
Recognized with the 2024 Global MDR Best Practices Award for Strategy.
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