Managed Detection Response
DeepSeas provides continuous detection and response across endpoint, network, cloud, identity, email, SaaS, and operational technology environments using tools you already own.
Understand what shapes security services quotes and cost before selecting a cybersecurity partner. DeepSeas helps organizations compare managed detection, penetration testing, risk assessment, advisory, compliance, and incident response options based on scope, coverage, tools, and operational needs. With approximately 30 years of experience and services supporting organizations across the United States, you can request a tailored quote grounded in your priorities.
Compare cybersecurity services that can be scoped individually or combined into a coordinated security program.
DeepSeas provides continuous detection and response across endpoint, network, cloud, identity, email, SaaS, and operational technology environments using tools you already own.
Ethical hackers conduct manual testing and adversary simulations across networks, cloud environments, applications, APIs, physical access, and social engineering risks.
Security risk assessments identify weaknesses, evaluate potential impact and likelihood, prioritize treatment options, and produce documentation for leadership and compliance needs.
Strategic advisors and vCISO services provide executive guidance for security strategy, governance, board reporting, risk management, compliance, and transformation planning.
Governance, risk, and compliance services support control development, evidence organization, gap assessments, continuous monitoring, and audit preparation.
Incident response specialists support preparation, investigation, containment, recovery, threat research, malware analysis, and improvements after an active security event.
Security services quotes and cost vary according to the work required, the environments covered, the tools already in place, and the outcomes your organization needs. DeepSeas can scope monitoring, offensive testing, assessments, advisory, compliance, and response as focused engagements or as connected capabilities. The result is a clearer path from budget discussion to measurable cybersecurity improvement, without assuming every organization needs the same package.
See how coordinated cybersecurity services can support clearer priorities, stronger readiness, and measurable risk reduction.
"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 flexible engagement models to align security investment with organizational risk.
Approximately 30 years of cyber defense experience supports practical guidance across complex security environments.
Advisory, offensive security, intelligence, detection, response, and compliance work together instead of creating disconnected priorities.
Bring-your-own-stack support helps organizations use existing SIEM, EDR, and CNAPP investments without unnecessary replacement.
24/7 monitoring, detection, and response support organizations that need security operations beyond internal staffing capacity.
Practitioners and advisors help organizations turn cybersecurity decisions into measurable 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.
Security services cost varies based on the service selected, project scope, environments covered, existing security tools, reporting requirements, and the level of ongoing support required. A penetration test, risk assessment, managed detection service, and vCISO engagement have different objectives and delivery models. DeepSeas reviews your priorities and current environment before preparing a quote so the proposed work aligns with your actual risk.
Talk with DeepSeas about your priorities, coverage needs, and quote requirements.
Held by DeepSeas specialists.
Recognition as a top 40 Managed Detection and Response provider.
Leader and top-five provider recognition in the 2024 Frost Radar Global Managed Detection and Response Market.
Best Practices Competitive Strategy Leadership Award for Managed Detection and Response.
Global MDR Best Practices Award for Strategy.
Tell us what you need to protect, test, assess, or improve, and DeepSeas will help clarify the right scope.
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