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State of Portfolio Cybersecurity in Private Equity | Cyber and Data Resilience

Reported by Kroll
Feb 11, 2026· 3 min read
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Key Takeaways
  • • Kroll's survey of 300+ global private equity executives reveals cybersecurity incidents are accelerating across PE portfolios, with average financial impact reaching $2.1 million per incident, with 13% of firms reporting losses exceeding $5 million.
  • • Software vulnerabilities (42%) and cloud security misconfigurations (40%) represent the primary threat vectors across PE portfolios, followed by data breaches, indicating systemic exposure to preventable attack surfaces.
  • • Nearly all surveyed PE firms (94%) have absorbed financial losses from cyber-related disruption, underscoring cybersecurity as a material transaction risk affecting deal flow, valuation, and exit readiness.
  • • Larger PE firms have established centralized, enterprise-grade governance frameworks and strict security mandates for portfolio companies, while smaller firms operate with significantly less robust risk management infrastructure, resulting in disproportionate remediation costs and deal disruption.
  • • PE firms increasingly recognize cybersecurity as a competitive value driver and risk mitigation tool, shifting from compliance-focused approaches toward integrated cyber resilience strategies that protect portfolio value and strengthen exit outcomes.
Summary
Cybersecurity has evolved into a material risk factor within private equity investing, directly impacting deal economics, portfolio management, and exit execution. According to Kroll's comprehensive assessment of cybersecurity practices across the PE industry, cyber incidents are becoming more frequent and financially consequential. The firm surveyed more than 300 global private equity executives to quantify risk exposure and evaluate fund-level management practices, revealing systematic vulnerabilities across the sector.

The financial toll is substantial and widespread. Nearly all surveyed PE firms (94%) have incurred losses attributable to cyber-related business disruption. Average financial impact per incident reaches approximately $2.1 million, with 13% of firms reporting individual losses exceeding $5 million. These figures underscore cyber risk as a direct threat to deal flow, valuation multiples, and transaction timelines rather than a peripheral operational concern. Larger financial impacts are not uncommon, particularly when incidents disrupt critical operations during critical transaction windows or due diligence periods.

The primary threat vectors reflect exploitable technical gaps rather than sophisticated, unavoidable attacks. Software and IT vulnerabilities account for 42% of incidents across PE portfolios, while cloud security misconfigurations represent 40% of exposures. Data breaches round out the leading risk categories, collectively indicating that many portfolio companies operate with preventable security gaps. These vulnerabilities are particularly acute among smaller PE firms, which typically lack the centralized platforms, strict security mandates, and governance infrastructure deployed by larger fund managers.

A significant disparity exists between large and small PE firms in their capacity to manage cyber risk effectively. Larger firms have implemented centralized risk management platforms and enterprise-grade security requirements across their portfolio holdings, enabling portfolio company leadership to maintain robust defenses and respond rapidly to incidents. By contrast, smaller PE firms operate with less developed risk management frameworks, leaving their portfolio companies more exposed to costly remediation efforts and deal disruption during exit transactions. This structural disadvantage increases the likelihood of valuation haircuts and delayed exits for smaller fund sponsors.

Leading PE firms are increasingly positioning cybersecurity as a source of competitive advantage and value creation rather than a pure compliance exercise. By enhancing cyber resilience across portfolio companies—through threat intelligence integration, incident response planning, and regulatory readiness programs—fund managers can protect exit value, reduce transaction friction, and strengthen investor confidence. Industry practitioners recommend that PE fund chairs and risk committee members establish centralized governance frameworks, adopt enterprise-grade security standards as deal requirements, and implement portfolio-level monitoring to minimize cyber risk and ensure swift recovery capabilities across their holdings.

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Kroll State of Portfolio Cybersecurity in Private Equity | Cyber and Data Resilience