Managed Detection Response
DeepSeas provides continuous detection and response across endpoint, network, cloud, identity, email, SaaS, and operational technology environments using existing security tools.
Explore how DeepSeas helps Portland organizations reduce cyber risk with managed detection and response, penetration testing, governance support, advisory services, and continuous threat monitoring. Its expert-led approach works with existing security tools and supports enterprise, mid-market, government, education, healthcare, and other organizations seeking measurable cybersecurity outcomes across Oregon and the United States.
DeepSeas combines monitoring, testing, advisory, and compliance capabilities to help organizations identify, manage, and reduce cyber risk.
DeepSeas provides continuous detection and response across endpoint, network, cloud, identity, email, SaaS, and operational technology environments using existing security tools.
The MSSP model brings monitoring, offensive testing, exposure management, incident response, threat intelligence, compliance support, and advisory together under one coordinated cybersecurity program.
Cybersecurity risk assessments identify strengths, weaknesses, prioritized risks, treatment options, and practical next steps through interviews, asset review, workshops, and formal reporting.
Ethical hackers conduct controlled attack simulations across networks, applications, cloud environments, infrastructure, and other approved targets to expose weaknesses before attackers exploit them.
Governance, risk, and compliance services support program design, policy development, control mapping, evidence preparation, gap assessments, and ongoing compliance operations.
Virtual CISO services provide executive-level guidance for security strategy, governance, risk management, reporting, compliance requirements, and long-term cybersecurity planning.
DeepSeas helps Portland organizations move beyond disconnected security tools and reactive work. Its integrated capabilities connect monitoring, offensive testing, exposure management, advisory, and compliance support so leaders can understand what matters most and act on it. The team supports existing SIEM, EDR, and CNAPP investments, helping organizations across the United States build proactive, measurable cyber defense without unnecessary technology replacement.
DeepSeas supports nearly 1,000 organizations worldwide with practical, measurable cybersecurity capabilities.
"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 experienced practitioners, broad capabilities, and measurable security outcomes for organizations in Portland and beyond.
Approximately 30 years of cyber defense experience support informed decisions for complex security environments.
24/7 monitoring, detection, and response help Portland organizations maintain visibility beyond standard business hours.
Bring-your-own-stack support works with established SIEM, EDR, and CNAPP investments instead of requiring unnecessary replacement.
Documented findings, actions, and improvement help leaders demonstrate progress to boards, auditors, insurers, and customers.
Experienced cybersecurity leaders and practitioners guide every stage of your security 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.
Cybersecurity providers may offer managed detection and response, security monitoring, penetration testing, risk assessments, vulnerability management, incident response, governance and compliance support, virtual CISO services, and strategic advisory. DeepSeas provides these capabilities across endpoint, network, cloud, identity, email, SaaS, mobile, BYOD, and operational technology environments, with combinations tailored to each organization.
Speak with DeepSeas specialists about your organization’s security priorities.
Named certification held by DeepSeas specialists.
Recognition as a top 40 MDR provider by Gartner.
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 cybersecurity program aligned with your organization’s risk, tools, and goals.
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