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

Reported by Kroll
Feb 11, 2026· 2 min read
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Key Takeaways
  • • Cybersecurity incidents affecting PE portfolio companies are rising in frequency and financial impact, with average losses of $2.1 million per incident and 13% of PE firms reporting losses exceeding $5 million.
  • • Nearly all surveyed PE firms (94%) have absorbed losses from cyber-related disruption, indicating cybersecurity has evolved from an operational concern into a material transaction risk directly threatening deal flow and valuations.
  • • Larger PE firms deploy centralized, enterprise-grade security platforms with strict governance mandates, providing substantially stronger defenses than smaller competitors who experience disproportionate remediation costs and deal disruption during exits.
  • • Cyber risk management effectiveness correlates with firm size, creating a two-tier market where smaller PE firms face higher operational vulnerability and increased exposure to financial losses during portfolio company exits.
  • • PE investors should implement portfolio-level cyber risk governance frameworks and mandate enterprise-grade security protections across holdings to preserve deal value, limit financial losses, and maintain exit readiness.
Summary
Cybersecurity risk has emerged as a material transaction threat in private equity, fundamentally altering how funds must evaluate and manage portfolio companies. According to Kroll's survey of more than 300 global PE executives, the financial exposure is substantial and quantifiable: the average cybersecurity incident impacts a portfolio company with approximately $2.1 million in losses, with 13% of responding firms reporting individual incidents exceeding $5 million. Nearly all surveyed PE firms (94%) have already absorbed losses from cyber-related disruption, underscoring that cybersecurity is no longer confined to operational risk management but has become a direct threat to deal valuations and exit success.

The disparity in risk exposure between large and small PE firms represents a critical vulnerability in the sector. Larger PE firms have established centralized risk governance frameworks with enterprise-grade security platforms, enabling them to impose strict security mandates across portfolio companies and protect investments more effectively. Smaller PE firms, by contrast, lack these structured defenses and consequently suffer disproportionately higher remediation costs and greater deal disruption during exit transactions. This bifurcation creates systematic disadvantage for smaller market participants facing identical cyber threats but without equivalent defensive infrastructure.

The frequency and scale of incidents are driving institutional demand for stronger portfolio-level cyber risk management. Deal disruption attributable to cybersecurity failures represents a direct drag on returns and exit timing, making cyber due diligence and continuous monitoring essential elements of pre-acquisition assessment and ongoing fund operations. PE firms that fail to establish governance frameworks addressing portfolio-wide cybersecurity risk expose themselves to preventable financial losses, extended remediation timelines, and diminished exit valuations. Leading market participants now treat cybersecurity as a competitive advantage and value-creation lever, embedding cyber risk assessment into standard investment processes and mandate compliance requirements across portfolio holdings.

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