Reported ransomware attacks in August 2025 increased by 37%.

Reported ransomware attacks in September 2025 rose by 27%.

The healthcare, government, and technology industries together represented 53% of all publicly disclosed ransomware activity during Q3 2025.

There were 62 Disclosed Ransomware Attacks in Q3 2020.

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.

There were 93 Disclosed Ransomware Attacks in 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.

Ransomware group Radiant published profiles of ten children following a ransomware attack on Kido International.

INC was responsible for 111 undisclosed ransomware attacks in Q3 2025, representing 7% of all undisclosed ransomware attacks.

Ransomware group Radiant threatened to release full profiles of 30 children following a ransomware attack on Kido International.