The first ever documented fully autonomous agentic ransomware attack has happened. Cybersecurity researchers Sysdig have identified an artificial intelligence (AI) agent dubbed Jadepuffer, which autonomously exploited a vulnerable server, and executed a series of events which included gaining access to and stealing credentials, encrypt a necessary database and subsequently issued a bitcoin ransom demand. https://fortune.com/2026/07/06/first-known-agentic-ransomware-arrived/