Cybersecurity in Private Equity

Protect portfolio value with cybersecurity built for private equity firms and their portfolio companies. DeepSeas supports diligence, post-acquisition integration, standardized security baselines, ongoing monitoring, compliance, advisory, and incident readiness. Our complete cyber defense model helps operating partners and portfolio CISOs identify risk quickly, strengthen controls consistently, and create measurable security outcomes across complex, growing portfolios.

Cybersecurity professionals reviewing private equity portfolio risk dashboards

Our Private Equity Cybersecurity Services

Integrated cybersecurity services supporting diligence, integration, risk reduction, governance, and ongoing protection across portfolio companies.

Compromise Assessment

Assess target or portfolio environments for evidence of current or historical intrusion, credential misuse, persistence, and lateral movement before or after an acquisition.

Cybersecurity Risk Assessments

Identify strengths, weaknesses, and prioritized risks through stakeholder interviews, asset inventory, risk workshops, and documented treatment planning for defensible decision-making.

Managed Detection Response

Extend continuous monitoring, investigation, and response across endpoint, network, cloud, identity, email, SaaS, and operational technology environments.

Security Program Development

Build a scalable security program around business goals, risk, governance, policies, metrics, operating cadence, and the resources each portfolio company can execute.

Strategic Security Advisory

Receive senior guidance for acquisitions, divestitures, board discussions, insurer reviews, security investment decisions, and portfolio-wide cybersecurity direction.

Governance Risk Compliance

Develop continuous compliance and control programs with evidence packaging, gap assessments, policy support, and audit-ready reporting for customer, regulatory, and insurance requirements.

Portfolio-Wide Visibility

Cybersecurity That Scales Across Portfolios

Private equity firms need a repeatable way to understand and reduce cyber risk across companies with different tools, teams, and maturity levels. DeepSeas combines outside-in diagnostics, compromise assessment, managed detection and response, exposure management, advisory, and compliance support into a connected program. The result is clearer diligence, stronger post-acquisition integration, and measurable progress without requiring every portfolio company to build a security function from scratch.

Private equity operating partner reviewing cybersecurity assessment findings
Built For Decisions

Security Outcomes That Matter

Help leadership understand cyber risk, prioritize action, and demonstrate progress across portfolio companies.

"DeepSeas data security experts are top notch. They have helped us to improve our cybersecurity posture through risk assessments, penetration testing, and the development of a Data Governance Strategy. They are an invaluable partner."

Christine
Christine
The DeepSeas Difference

Why Choose DeepSeas?

DeepSeas brings complete cyber defense and practitioner-led expertise to private equity security priorities.

Portfolio Perspective

Designed for sponsors and portfolio companies seeking consistent cybersecurity outcomes across multiple environments.

Complete Coverage

Connect advisory, offensive security, intelligence, monitoring, response, and compliance through one coordinated partner.

Measurable Progress

Document risk reduction and operational outcomes that support board, insurer, auditor, and investment discussions.

Experienced Team

Nearly 30 years of cyber defense experience serving enterprise and mid-market organizations worldwide.

Meet The DeepSeas Team

Experienced cybersecurity practitioners connect technical work to business and investment priorities.

Portrait of Lewie Dunsworth, Chief Executive Officer at DeepSeas

Lewie Dunsworth

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.

Portrait of Keith Robertson, Risk Management and Compliance Executive at DeepSeas

Keith Robertson

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.

Portrait of Sean Duffy, Cybersecurity and Legal Advisor at DeepSeas

Sean Duffy

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.

Portrait of Matt Lammers, CISO and IT Risk Executive at DeepSeas

Matt Lammers

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.

Frequently Asked Questions

How can cybersecurity support private equity due diligence?

Cybersecurity due diligence can identify evidence of compromise, exposed assets, control weaknesses, governance gaps, and remediation priorities before an investment or acquisition decision. DeepSeas can assess networks, endpoints, identities, cloud, email, and other relevant telemetry, then provide a clear view of whether evidence of compromise exists and what actions should follow. The findings help investment and operating teams understand cyber risk alongside other transaction considerations.

What cybersecurity services do private equity portfolio companies need?

Can DeepSeas help after a portfolio company acquisition?

How do you standardize cybersecurity across portfolio companies?

Can DeepSeas work with tools portfolio companies already own?

How can a portfolio company prepare for a cyber incident?

Can DeepSeas provide executive cybersecurity leadership?

How does DeepSeas help demonstrate cybersecurity progress?

Ready To Strengthen Portfolio Security?

Talk with DeepSeas about diligence, integration, or ongoing portfolio cybersecurity.

Recognized Expertise

Awards and Recognition

ISO Lead Auditor certification held by DeepSeas specialists

ISO Lead Auditor certifications held by DeepSeas specialists

Certification held by DeepSeas specialists.

Gartner top 40 Managed Detection and Response provider recognition

Gartner top 40 Managed Detection and Response provider recognition

Recognition as a top 40 MDR provider by Gartner.

2024 Frost Radar Global Managed Detection and Response recognition

2024 Frost Radar Global Managed Detection and Response Market Leader and top-five provider recognition

Recognized as a Leader and top-five provider in 2024.

Frost and Sullivan 2024 Best Practices Competitive Strategy Leadership Award

Frost & Sullivan 2024 Best Practices Competitive Strategy Leadership Award for Managed Detection and Response

Award for Competitive Strategy Leadership in MDR.

2024 Global MDR Best Practices Award for Strategy

2024 Global MDR Best Practices Award for Strategy

Award for strategy in global managed detection and response.

Build A Stronger Cybersecurity Program

Share your portfolio priorities and connect with a DeepSeas cybersecurity advisor.

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