Ransomware
Statistics and intelligence on ransomware attacks, trends, and prevention strategies across global organizations.
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80 groups published victims on dark web leak sites in Q3 2025.
The healthcare, government, and technology industries together represented 53% of all publicly disclosed ransomware activity during Q3 2025.
Other groups were collectively responsible for 1018 undisclosed ransomware attacks in Q3 2025, representing 67% of all undisclosed ransomware attacks.
There were 62 Disclosed Ransomware Attacks in Q3 2020.
The Qantas board imposed a 15% reduction in short-term bonuses for the CEO and senior executives due to the July 2025 breach.
Approximately 40% of reported ransomware attacks in Q3 2025 have not yet been attributed to any known ransomware group.
96% of all disclosed ransomware cases involved data exfiltration in Q3 2025.
There were 74 Disclosed Ransomware Attacks in Q3 2021.
The number of Disclosed Ransomware Attacks increased by 19% in Q3 2021 compared to Q3 2020.
The penalty for Qantas CEO Vanessa Hudson due to the bonus reduction following the July 2025 breach amounted to about A$250,000.
There were 93 Disclosed Ransomware Attacks in Q3 2022.
The number of Disclosed Ransomware Attacks increased by 80% in Q3 2023 compared to Q3 2022.
The number of Disclosed Ransomware Attacks increased by 26% in Q3 2022 compared to Q3 2021.
There were 167 Disclosed Ransomware Attacks in Q3 2023.
There were 198 Disclosed Ransomware Attacks in Q3 2024.
The number of Disclosed Ransomware Attacks increased by 19% in Q3 2024 compared to Q3 2023.
Companies in 35 countries reported ransomware attacks in Q3 2025.
Q3 attacks have surged by 335% since 2020.
Akira was responsible for 139 undisclosed ransomware attacks in Q3 2025, representing 9% of all undisclosed ransomware attacks.
Ransomware group Radiant claimed to have exfiltrated data on over 8,000 children across Kido International's UK sites.