Proofpoint Report: CISOs Face Growing AI Security Duties Without More Resources

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Summary

Proofpoint’s 2026 CISO report finds that many security leaders lack added resources for AI governance. Cloud account takeover is a leading concern, while human risk and departing employees remain prominent factors in data loss.

Key points

  • 79% of CISOs say they are expected to manage AI risks without a proportional increase in resources or expertise; 78% consider GenAI a security risk.
  • Cloud account takeover or compromise now tops security leaders’ threat priorities, while collaboration platforms lead workplace technology concerns.
  • Human risk is identified as the biggest cyber vulnerability by 79% of respondents.
  • Among organizations reporting material sensitive-data loss, 93% said departing employees played a role; malicious or criminal insiders were the most commonly identified root cause.
  • Although fewer organizations report material data loss, the report says regulatory, financial, recovery, and reputational consequences have increased.

Article Details

Publisher
Help Net Security; report by Proofpoint
Report Period
2026
Scope
CISO views on AI security, cyber threats, human risk, and data loss
Sample Size
Not disclosed
Key Statistics
  • 78% of CISOs consider GenAI a security risk.
  • 79% say they are expected to manage AI-related risks without a proportional increase in resources or expertise.
  • 61% of security leaders believe their organization could face a targeted attack in the next 12 months, down from 76% in 2025.
  • Human risk is considered the biggest cyber vulnerability by 79% of respondents.
  • Among organizations that experienced material data loss, 93% of security leaders said departing employees played a role.
Recommendations
  • Apply AI governance policies across platforms where employees access data, use AI, and automate tasks.
  • Use tighter controls on employee use of public AI platforms and prioritize safe use of assistants, copilots, and automation.
  • Strengthen controls around identity, permissions, and data movement between connected work applications.
  • Provide CISOs with clear authority, specialist expertise, and sustained support for managing cyber risk.

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