Managed Detection Response
DeepSeas provides continuous detection, investigation, and response across endpoint, network, cloud, identity, email, SaaS, and operational technology environments using existing security tools.
Strengthen confidence in your SWIFT-connected environment with a proactive cybersecurity programme built around continuous visibility, risk reduction, testing, governance, and response. DeepSeas combines expert-led advisory with managed detection, offensive security, compliance support, and cyber defense capabilities to help organizations identify weaknesses earlier, respond decisively, and demonstrate measurable security outcomes.

Integrated cybersecurity services help organizations monitor, test, govern, and continuously improve protection around critical environments.
DeepSeas provides continuous detection, investigation, and response across endpoint, network, cloud, identity, email, SaaS, and operational technology environments using existing security tools.
Expert assessments identify strengths, weaknesses, and prioritized risks through stakeholder interviews, asset inventories, risk workshops, and documented treatment planning.
Ethical hackers conduct controlled testing across networks, cloud environments, applications, APIs, wireless systems, and physical access points to expose attack paths before attackers use them.
Continuous external attack surface monitoring, vulnerability prioritization, dark web intelligence, and AI security posture management help focus remediation on the risks most likely to matter.
DeepSeas designs and operates compliance programmes with control mapping, evidence packaging, gap assessments, policy development, and ongoing monitoring for audit readiness.
Tabletop exercises and mock incidents test response processes, decision rights, communications, controls, and coordination across security, IT, legal, communications, and leadership teams.
A strong customer cybersecurity programme requires more than isolated tools or periodic reviews. DeepSeas connects monitoring, testing, threat intelligence, exposure management, governance, and advisory services so findings can inform action. The programme is tailored to your environment, works with technology you already own, and produces practical evidence that supports security decisions, customer assurance, audit readiness, and ongoing improvement.

DeepSeas helps organizations turn cyber risk visibility into prioritized action and defensible security outcomes.
DeepSeas combines strategic guidance, operational security expertise, and measurable cyber defense capabilities.
Connect advisory, offensive security, intelligence, detection, response, and governance through one coordinated programme.
Practitioner-led services draw on specialists with deep experience across cybersecurity, risk, governance, and compliance.
Bring-your-own-stack support helps organizations use established SIEM, EDR, and CNAPP investments without unnecessary replacement.
Documented findings, actions, evidence, and improvement trends make cybersecurity progress easier to explain and defend.
Experienced cybersecurity practitioners support strategy, operations, risk, governance, and response.

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.
The SWIFT Customer Cyber Security Programme is a structured approach to strengthening cybersecurity controls, visibility, governance, and response capabilities around environments connected to SWIFT-related operations. DeepSeas can support the programme through risk assessments, managed detection and response, penetration testing, exposure management, compliance readiness, incident response preparation, and strategic advisory tailored to the organization’s environment and security objectives.
Speak with DeepSeas about your security priorities, existing controls, and assurance objectives.
Certification held by DeepSeas specialists.
Recognition as a top 40 Managed Detection and Response provider.
Recognition as a Leader and top-five provider in the 2024 Frost Radar market.
Award for Competitive Strategy Leadership in Managed Detection and Response.
Recognition through the 2024 Global MDR Best Practices Award for Strategy.
Share your priorities with DeepSeas and explore a practical path toward stronger visibility, response, governance, and assurance.
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