Security Risk Assessments
Evaluate payment-related systems, controls, processes, and vulnerabilities to identify prioritized risks and create a defensible plan for treatment and improvement.
Understand how payment security protects card data, payment systems, and customer trust. This guide explains practical cybersecurity services for organizations handling payments, including risk assessments, compliance support, monitoring, and incident readiness. DeepSeas combines experienced security specialists, continuous defense capabilities, and measurable guidance to help US organizations identify exposure and strengthen payment-related security operations.
Explore assessments, monitoring, compliance, and readiness services that support stronger security for payment environments and sensitive business data.
Evaluate payment-related systems, controls, processes, and vulnerabilities to identify prioritized risks and create a defensible plan for treatment and improvement.
Receive continuous monitoring, investigation, and response across relevant endpoint, network, cloud, identity, email, and SaaS environments using existing security tools.
Develop controls, policies, evidence, and audit-ready reporting for organizations managing contractual, regulatory, insurance, or payment security requirements.
Use controlled attack simulations and ethical testing to uncover weaknesses in applications, infrastructure, networks, and processes before attackers exploit them.
Discover vulnerabilities, prioritize them by exploitability and asset criticality, track remediation, and report whether organizational exposure is reducing over time.
Test incident plans through tabletop exercises, review response capabilities, and improve coordination, escalation, communication, and evidence-handling procedures.
Payment security requires more than a single tool or periodic review. DeepSeas helps organizations evaluate exposure, strengthen controls, monitor for suspicious activity, and prepare teams to respond when concerns arise. Services can work with the technology and governance structures already in place, supporting clearer risk decisions, audit readiness, and measurable security improvement without treating compliance as a substitute for operational defense.
See how integrated cybersecurity capabilities can support stronger visibility, readiness, compliance, and 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, continuous operations, and coordinated cybersecurity services for organizations managing meaningful risk.
Approximately 30 years of cyber defense experience supports practical guidance for complex security decisions.
24/7 monitoring, detection, and response help organizations address threats beyond normal business hours.
Advisory, offensive security, threat intelligence, MDR, SOC, and GRC capabilities connect across one program.
Documented findings, prioritized actions, and reporting help leaders demonstrate progress to stakeholders and reviewers.
Experienced cybersecurity practitioners support strategic and operational security 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.
Payment security on a credit card refers to the safeguards that protect card details and payment activity from unauthorized access, misuse, and fraud. For organizations, this includes controls around systems, applications, users, data access, monitoring, and incident response. Security assessments, compliance support, vulnerability management, and continuous detection can help identify weaknesses across the broader payment environment.
Talk with DeepSeas specialists about your security priorities and current environment.
Held by DeepSeas specialists, according to company information.
2023 recognition as a top 40 MDR provider by Gartner.
Named a Leader and top-five provider in the 2024 Frost Radar market.
Award for Managed Detection and Response competitive strategy leadership.
Recognition for strategy in global Managed Detection and Response best practices.
Share your current concerns, systems, or compliance priorities and discuss practical next steps.
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