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High materiality7/10

Zscaler ThreatLabz 2026 reveals AI-driven ransomware surge and data theft risks

Sep 30, 2026, 3:09 AM EDT1 sourcesAI-analyzed
Why it may matterVerify against the original reporting

Direct linkage to ZS ThreatLabz findings and heightened security spending could lift near-term sentiment and demand for ZS's solutions.

AI summary

What happened, with direct paths to the underlying reporting

Zscaler's ThreatLabz 2026 Ransomware Report shows ransomware data exfiltration rising 275% YoY to 896.2 TB, with $328 million in payments. Attacks increasingly target privileged executives and leverage GenAI and trusted tools like Microsoft Teams for data theft and lateral movement. The findings could support stronger demand for ZS's zero-trust platform over the coming quarters.

  • Ransomware data theft up 275% YoY to 896.2 TB.
  • Average ransom rose 5.3% to $431,995; payments total $328M.
  • 62% of victims were manager-level+; privileged-role focus.
  • Threat actors increasingly use Microsoft Teams and Quick Assist.

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