GRC Services
DeepSeas develops compliance programs, policies, controls, risk structures, and continuous monitoring practices that connect operational security activity with PCI DSS evidence.
Build a more defensible PCI DSS program with DeepSeas compliance solutions, software-supported governance, continuous controls monitoring, risk assessments, penetration testing, and audit preparation. Designed for organizations that need clearer evidence, fewer compliance surprises, and security practices that support real risk reduction—not just a point-in-time assessment. DeepSeas combines practitioner-led guidance with integrated cybersecurity capabilities to help your team stay prepared.

Integrated compliance, assessment, testing, and advisory capabilities help organizations prepare for PCI DSS requirements and sustain evidence-ready controls.
DeepSeas develops compliance programs, policies, controls, risk structures, and continuous monitoring practices that connect operational security activity with PCI DSS evidence.
Compliance readiness support includes gap assessments, documentation development, evidence organization, pre-audit preparation, audit attendance support, and post-audit remediation consulting.
Cybersecurity risk assessments identify strengths, weaknesses, likelihood, impact, and prioritized treatment actions while producing documented outputs for stakeholders and compliance needs.
Manual penetration testing and adversary simulation examine systems and controls for exploitable weaknesses, helping organizations validate defenses and address findings before assessment.
Continuous vulnerability management combines asset discovery, scanning, threat-informed prioritization, remediation tracking, and reporting to focus attention on meaningful exposure.
DeepSeas helps establish policies, governance, control sets, metrics, operating cadences, and maturity roadmaps aligned with business goals and actual organizational risk.
PCI compliance is more useful when it reflects how security operates every day. DeepSeas connects governance, risk, vulnerability management, penetration testing, and managed security capabilities so evidence is organized as controls operate rather than reconstructed under pressure. Its GRC services support PCI DSS alongside ISO 27001, SOC 2, CMMC, and NIST, helping organizations reduce duplication while keeping compliance work connected to real cyber risk.

See how integrated cybersecurity capabilities can support measurable risk reduction, audit readiness, and stronger compliance operations.
DeepSeas combines compliance expertise with the security operations needed to make PCI readiness practical and defensible.
Connect GRC with MDR, vulnerability management, exposure services, and testing instead of managing disconnected compliance activities.
Hands-on specialists bring experience across PCI, NIST, ISO, HIPAA, GLBA, and other complex governance and compliance environments.
Control monitoring and automated evidence packaging help surface gaps when they appear, not only during an assessment.
Choose platform-only, advisory-only, fully managed GRC, or broader cyber defense capabilities based on your operating model.
Experienced cybersecurity practitioners support compliance, risk, testing, and security operations.

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.
PCI compliance solutions and software help organizations manage the policies, controls, risks, evidence, testing, and reporting associated with PCI DSS requirements. Technology can automate control mapping, evidence collection, dashboards, and monitoring, while specialists provide gap assessments, documentation guidance, remediation support, and audit preparation. The strongest approach connects compliance information with operational security activity so evidence reflects how controls actually work.
Talk with DeepSeas about practical compliance, evidence, testing, and security support.
Certification held by DeepSeas specialists
2023 recognition as a top 40 MDR provider
2024 Frost Radar Leader and top-five provider recognition
2024 competitive strategy leadership award
2024 global MDR strategy award
Share your compliance goals and current challenges to explore the right mix of software, advisory, testing, and managed support.
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