Ransomware Leverage Is Growing by the Terabyte: Takeaways from ThreatLabz 2026 Ransomware Report
Zscaler, Wednesday, September 30th, 2026
Zscaler releases its ThreatLabz 2026 Ransomware Report, citing terabyte-scale data theft, Teams vishing and shifting gangs.
Zscaler ThreatLabz released its 2026 Ransomware Report covering April 2025 through March 2026, focusing on groups and affiliates, victim targeting, attack techniques, data theft and payment patterns.
The post distills five key takeaways for security teams, including terabyte-scale data exfiltration, Microsoft Teams vishing playbooks and changes in which groups dominate.
It also explains how Zero Trust controls can disrupt ransomware across the attack lifecycle.