Managed Detection Response
DeepSeas provides 24/7 detection and response across endpoint, network, cloud, identity, email, SaaS, and OT environments using the tools your organization already owns.
DeepSeas helps Pittsburgh organizations reduce cyber risk with expert-led managed detection and response, offensive security, advisory, compliance, and incident readiness. From protecting cloud and endpoint environments to supporting healthcare, education, government, and industrial operations, our team delivers measurable cybersecurity outcomes, continuous improvement, and practical guidance shaped around your organization’s priorities and existing security tools.

DeepSeas combines continuous defense, proactive testing, advisory, compliance, and response capabilities for organizations in Pittsburgh and beyond.
DeepSeas provides 24/7 detection and response across endpoint, network, cloud, identity, email, SaaS, and OT environments using the tools your organization already owns.
Comprehensive assessments identify strengths, weaknesses, and prioritized risks through stakeholder interviews, asset inventory, risk workshops, and documented treatment planning.
Ethical hackers conduct controlled attack simulations across networks, cloud environments, applications, APIs, and other systems to expose weaknesses before malicious actors exploit them.
Continuous attack surface monitoring, vulnerability prioritization, dark web intelligence, and remediation tracking help Pittsburgh organizations focus on the exposures most likely to matter.
DeepSeas designs and operates compliance programs with control mapping, evidence packaging, risk scoring, policy development, and continuous monitoring for audit readiness.
Experienced advisors help leaders set direction, consolidate tools, prepare for audits or acquisitions, support boards, and build security programs aligned with business risk.
DeepSeas brings together managed detection and response, offensive security, threat intelligence, governance, compliance, and strategic advisory under one coordinated program. Pittsburgh organizations can retain their existing SIEM, EDR, and CNAPP investments while gaining expert support across endpoint, cloud, identity, email, mobile, BYOD, and operational technology environments. The result is a more connected approach to reducing risk, preparing for scrutiny, and improving security continuously.

DeepSeas helps organizations turn cybersecurity activity into clearer decisions, stronger defenses, and evidence of progress.
DeepSeas combines experienced practitioners, continuous operations, and a broad cyber defense model.
Nearly 30 years of cyber defense experience supports practical guidance for complex security decisions.
24/7 monitoring, detection, and response support organizations that cannot staff a continuous SOC.
Bring-your-own-stack support helps Pittsburgh teams gain expertise without replacing established security investments.
Connected advisory, testing, intelligence, response, and compliance reduce gaps between separate security activities.
Experienced cybersecurity practitioners guide organizations toward measurable, practical outcomes.

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.
A cybersecurity company may provide managed detection and response, security risk assessments, penetration testing, exposure management, vulnerability management, incident response, governance and compliance support, security program development, and strategic advisory. DeepSeas combines these capabilities across its complete cyber defense offering, helping organizations address immediate monitoring needs while also improving their security strategy, resilience, compliance posture, and long-term risk management.
Speak with DeepSeas about your organization’s risks, priorities, and security goals.
Held by DeepSeas specialists.
Recognized as a top 40 Managed Detection and Response provider.
Named a Leader and top-five provider in the 2024 Frost Radar Global Managed Detection and Response Market.
Best Practices Competitive Strategy Leadership Award for Managed Detection and Response.
Award for Strategy listed among DeepSeas recognitions.
Tell DeepSeas about your environment and priorities to explore a practical path toward measurable cyber risk reduction.
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