Beware the New AI-Fueled Ransomware Boom

Researchers say alleged ransomware attacks rose sharply over the summer, with some estimates approaching 3,000 claims on leak sites, up 20 to 40 per cent from spring. The increase is especially marked outside the United States, and experts warn that AI may be helping more criminals launch operations.

The attacks are not yet fully automated: groups remain largely human-run, but some use large language models to write more convincing phishing messages and assist with ransom negotiations. Researchers also report a more fragmented criminal scene, with about 111 groups claiming attacks between July and September; one new operator reportedly made more than $800,000 in under two weeks. Claims can be inflated or unverified, but the surge still creates uncertainty for businesses.