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.
Compare cybersecurity capabilities for organizations in Indianapolis seeking stronger detection, response, risk management, and compliance support. DeepSeas combines managed detection and response, offensive security, advisory, governance, risk and compliance, and threat intelligence into customized programs. Coverage can support Indiana organizations across IT, cloud, operational technology, mobile, and BYOD environments while helping leaders make cyber risk measurable and actionable.

Integrated cybersecurity services help organizations detect threats, reduce exposure, strengthen programs, and demonstrate measurable security outcomes.
DeepSeas provides continuous detection, investigation, and response across endpoint, network, cloud, identity, email, SaaS, and operational technology environments using existing security tools.
Ethical hackers use manual testing, adversary emulation, and real attacker tradecraft to identify exploitable weaknesses across networks, cloud environments, applications, APIs, and human processes.
Cybersecurity risk assessments identify strengths, weaknesses, likely impacts, and prioritized treatments through stakeholder interviews, asset inventory, risk workshops, and formal documentation.
Continuous external attack surface monitoring, vulnerability prioritization, dark web intelligence, and remediation tracking help organizations focus on the exposures most likely to lead to compromise.
Strategic advisors and virtual CISOs provide leadership for security strategy, governance, executive reporting, budgeting, compliance, board conversations, and program transformation.
Governance, risk, and compliance services support control development, evidence collection, readiness, continuous monitoring, audit preparation, and frameworks including ISO 27001, SOC 2, HIPAA, NIS2, and PCI DSS.
Indianapolis organizations need security programs that connect technology, people, governance, and response rather than adding another disconnected tool. DeepSeas combines managed detection and response with offensive security, exposure management, advisory, threat intelligence, and GRC. Its practitioner-led approach supports existing SIEM, EDR, and CNAPP investments while helping teams improve visibility, prioritize action, and document measurable progress.

DeepSeas helps organizations turn cybersecurity activity into clearer decisions, stronger defenses, and documented risk reduction.
DeepSeas combines experienced practitioners, integrated capabilities, and measurable security operations for complex organizations.
Approximately 30 years of cyber defense experience supports informed guidance for complex security challenges.
24/7 monitoring, detection, and response support organizations that cannot staff a continuous security operation internally.
One cyber defense partner connects advisory, offensive security, intelligence, MDR, SOC, and GRC capabilities.
Bring-your-own-stack support helps Indianapolis organizations build on established SIEM, EDR, and CNAPP investments.
Experienced cybersecurity practitioners guide strategy, operations, risk, and compliance.

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, endpoint and network monitoring, penetration testing, compromise assessments, exposure management, vulnerability management, incident response, strategic security advisory, virtual CISO support, governance and compliance services, risk assessments, tabletop exercises, and security program development. Services can be combined into an integrated cyber defense program or selected to address a specific organizational need.
Talk with DeepSeas about your risks, priorities, and existing security environment.
ISO Lead Auditor certifications held by DeepSeas specialists.
Recognition as a top 40 Managed Detection and Response provider.
Leader and top-five provider in the 2024 Frost Radar market.
Competitive Strategy Leadership Award for Managed Detection and Response.
Global MDR Best Practices Award for Strategy recognition.
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