Despite major changes in the leading ransomware groups, ransomware attacks have surged 50% in 2025, as cybercriminals have proven adept at finding new opportunities and exploiting vulnerabilities. Ransomware attacks were up 50% in 2025 through October 21, according to Cyble data, rising to 5,010 from 3,335 in the same period of 2024. Cyble’s data is based on ransomware group claims on their dark web data leak sites. From the decline of RansomHub to the rise of Qilin ...
