Data Breaches Digest: October 2025

Editor's Message

Welcome to DBD. On March 8th, DBD celebrated it's 5th anniversary and PRiSM celebrated it's 2nd anniversary. Little did I know when I started both of these ventures just how much an impact they would have on my life and I'd like to thank each and everyone of you who have supported me over the years, with a special thanks to those individuals who have kindly shared their knowledge with me, and continue to do so. Thanks again for your support. Stay safe. :)

“Data Breaches Digest and its PRiSM portal provide Dentons Global Security Team with valuable insights into the ransomware landscape, from the latest incidents to trends over time, as well as the ability to customize visual analytics. Timely reports and tracking by Data Breaches Digest help inform cyber intelligence for the world’s largest law firm and thus our cybersecurity posture across more than 80 countries worldwide.”

Dentons Senior Analyst, Washington DC

Sunday, 5 October 2025

Data-Leaking Ransomware Report - September 2025

Welcome to last month's DLR Report, an exclusive presentation of Data-Leaking Ransomware Operator's Global and US Victims that were claimed between 1st September and 30th September 2025.

DBD discovered and researched 582 Global Ransomware Victims over 61 Countries and Islands, including 313 US Ransomware Victims over 41 States and Districts, claimed by 57 Data-Leaking Ransomware Operators in September 2025.

DBD also discovered and researched 8 New Active Ransomware Operators called Arachna Leak, BlackShrantac, Coinbase Cartel, LunaLock, RADAR, Radiant Group, The Gentlemen and Yurei in September 2025.

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Data Source: Data Breaches Digest.

Saturday, 4 October 2025

Data-Leaking Ransomware Report - Q3 2025

Welcome to the third, and penultimate, quarter of this year's DLR Report, an exclusive presentation of Data-Leaking Ransomware Operator's Global and US Victims that were claimed between 1st July and 30th September 2025.

DBD discovered and researched 1650 Global Ransomware Victims over 97 Countries and Islands, including 882 US Ransomware Victims over 48 States and Districts, claimed by 82 Data-Leaking Ransomware Operators in Q3 2025.

DBD also discovered and researched 19 New Active Ransomware Operators in Q3 2025, further details of which can be found in our PRiSM application.

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Data Source: Data Breaches Digest.

Thursday, 2 October 2025

Ransomware Operator Claims - Week 39 2025

Welcome to last week's ROC Report, an exclusive summary of Ransomware Operator's global victims that were claimed during the period between 22nd September and 28th September 2025, kindly assisted by our partners.

For further analysis on these (and any historic) Ransomware Operator Claims, including the Victim Names and Industry Sectors attacked, please use our PRiSM application.

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Data Source: Data Breaches Digest. Flag Icons created by Freepik and provided by Flaticon.