Managed Detection Response
DeepSeas provides 24/7 detection and response across endpoint, network, cloud, identity, email, SaaS, and operational technology environments using existing security tools.
Explore cybersecurity companies in Colorado to know for managed detection and response, penetration testing, risk assessments, compliance, and strategic security advisory. DeepSeas supports organizations with 24/7 monitoring, practitioner-led guidance, offensive security, and measurable cyber defense designed for enterprise and mid-market needs across Colorado and the United States.
Integrated cyber defense services help Colorado organizations monitor threats, test defenses, manage risk, and strengthen security programs.
DeepSeas provides 24/7 detection and response across endpoint, network, cloud, identity, email, SaaS, and operational technology environments using existing security tools.
Ethical hackers test networks, cloud environments, applications, APIs, wireless systems, and physical access to reveal attack paths automated scanning may miss.
Cybersecurity risk assessments identify strengths, weaknesses, likely impacts, and prioritized treatment actions through stakeholder interviews, asset reviews, workshops, and documented reporting.
Continuous external attack surface monitoring, dark web intelligence, and vulnerability prioritization help organizations focus on the exposures most likely to lead to compromise.
DeepSeas develops governance and compliance programs with control mapping, evidence packaging, gap assessments, policy development, and ongoing monitoring.
Senior advisors help leaders shape security strategy, prepare for board and insurer conversations, guide acquisitions, and build practical programs around business risk.
DeepSeas combines managed detection and response, offensive security, threat intelligence, advisory, and governance into a coordinated cybersecurity program. Colorado organizations can retain their existing SIEM, EDR, and CNAPP investments while adding expert monitoring, investigation, response, and strategic guidance. The approach is customized to the organization’s environment, risk, and objectives rather than based on a one-size-fits-all technology stack.
DeepSeas supports enterprises, mid-market organizations, governments, higher education, and regulated industries worldwide.
"DeepSeas allows my team to deliver the compliance needed to stay up-to-date with all of our governing bodies. Furthermore, we are more confident that our staff, faculty, and students are better protected with DeepSeas as a cybersecurity partner. Without a doubt, DeepSeas is worth every dollar spent. This is our..."
DeepSeas connects experienced practitioners, continuous operations, and measurable outcomes in one cybersecurity partnership.
Nearly 30 years of cyber defense experience informs practical guidance for complex security environments.
24/7 monitoring, detection, and response supports Colorado organizations beyond standard business hours.
Bring-your-own-stack support helps organizations use existing SIEM, EDR, and CNAPP investments.
One team connects advisory, offensive security, intelligence, detection, and GRC across your security program.
Experienced cybersecurity leaders bring practical expertise to complex organizational risks.
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.
DeepSeas provides managed detection and response, penetration testing, cybersecurity risk assessments, exposure management, vulnerability management, incident response, strategic advisory, virtual CISO support, governance and compliance, and security program development. Services can be combined into a broader cyber defense program or selected individually based on an organization’s security priorities, existing tools, operational environment, and business requirements.
Talk with DeepSeas about your organization’s security priorities and risk.
Held by DeepSeas specialists.
Recognition listed for DeepSeas in 2023.
Recognition listed for DeepSeas in 2024.
Award received by DeepSeas in 2024.
Recognition listed among DeepSeas awards.
Share your priorities with DeepSeas and discuss a practical path toward measurable cyber defense.
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