Ransomware Cases Jump 389% in 2025 to 7,831, Fortinet Reports

According to Fortinet, global ransomware cases rose 389% year on year to 7,831 in 2025 as cybercriminals leveraged AI and accelerated attacks on software vulnerabilities. Manufacturing was the most targeted sector with 1,284 cases, followed by business services with 824 and retail with 682.

Fortinet noted that exploit activity targeting software vulnerabilities increased 25% to approximately 1,219 cases, while the average time between vulnerability disclosure and the first attack attempt narrowed to between 24 and 48 hours, down from 4.76 days.