Managed Detection Response
DeepSeas provides 24/7 detection and response across endpoint, network, cloud, identity, email, SaaS, and OT environments, using your existing security tools where possible.
Unified Threat Management brings detection, monitoring, response, and security expertise into a coordinated defense program. DeepSeas helps organizations connect network, endpoint, cloud, identity, email, and operational technology visibility while reducing fragmented alerts and improving measurable cyber risk outcomes. With approximately 30 years of cyber defense experience and 24/7 monitoring capabilities, your security team gains a more complete view of evolving threats.
Integrated cybersecurity services connect monitoring, detection, response, exposure management, and expert guidance across your environment.
DeepSeas provides 24/7 detection and response across endpoint, network, cloud, identity, email, SaaS, and OT environments, using your existing security tools where possible.
Continuous network visibility helps analysts identify lateral movement, command and control, data staging, and unmanaged devices that endpoint agents may not cover.
DeepSeas operates detection, tuning, investigation, and response within your SIEM or provides a managed SIEM option with integrated context and enrichment.
Endpoint MDR monitors, investigates, and responds to activity on endpoints and servers, helping teams manage alerts, investigate incidents, and contain compromised hosts.
Email monitoring addresses phishing, business email compromise, malicious attachments, harmful links, and account takeover activity as part of coordinated investigations.
Continuous attack surface monitoring, vulnerability prioritization, dark web intelligence, and AI security posture management help focus remediation on meaningful exposure.
Unified Threat Management helps replace disconnected security queues with coordinated visibility and response. DeepSeas correlates network, endpoint, identity, cloud, email, and other telemetry so analysts investigate the full path of an intrusion rather than isolated alerts. Your organization can retain existing tools while gaining expert monitoring, detection engineering, threat hunting, and response support tailored to its environment and risk priorities.
See how integrated cybersecurity capabilities help organizations improve visibility, response, compliance readiness, and operational resilience.
"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 expert-led cybersecurity services with integrated operations and measurable outcomes.
Continuous monitoring, detection, and response support helps security teams address threats beyond standard business hours.
Bring-your-own-stack support works with the SIEM, EDR, and CNAPP tools your organization already owns.
Advisory, offensive security, threat intelligence, MDR, SOC, and GRC capabilities work together under one provider.
Approximately 30 years of cyber defense experience supports customized outcomes for enterprise and mid-market organizations.
Experienced cybersecurity leaders and practitioners support complex security programs.
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.
Unified threat management provides coordinated security visibility, monitoring, detection, investigation, and response across multiple parts of an environment. Depending on the program, coverage can include network, endpoint, cloud, identity, email, SaaS, operational technology, vulnerability, and external attack surface data. The goal is to connect related signals, reduce fragmented investigations, and help security teams prioritize meaningful risk rather than isolated alerts.
Speak with DeepSeas about integrated monitoring, detection, response, and security advisory options.
Recognized as a top 40 Managed Detection and Response provider by Gartner.
Recognized as a Leader and top-five provider in the 2024 Frost Radar Global MDR Market.
Received the 2024 Best Practices Competitive Strategy Leadership Award for MDR.
Received the 2024 Global MDR Best Practices Award for Strategy.
Tell DeepSeas about your environment, current tools, and security priorities so the team can discuss appropriate UTM capabilities.
To help us assist you faster, please include the reason for your message so the relevant team can reach out as soon as possible.
To help us assist you faster, please include the reason for your message so the relevant team can reach out as soon as possible.