Security researchers have documented an AI agent running a full ransomware operation on its own against a live production target, planning, adapting, and executing every step from the first exploit through data destruction. This is early real-world evidence of the shift to autonomous criminal operations that our research forecast.
Agent-run attacks change what defenders can rely on. They produce disposable, per-victim indicators instead of reusable tools and infrastructure, so the defensive weight shifts from sharing and blocking indicators of compromise onto behavior and technique-based detection.
The novelty is automation, not tradecraft. Every weakness the agent used was old and well understood, which concentrates exposure in organizations running internet-facing AI and automation platforms or carrying default and unrotated credentials, and shortens the time available to close those gaps.
The monetization layer failed even though the intrusion succeeded. The agent did not save the encryption key it generated and used a placeholder address instead of real payment infrastructure, so the operation could not have produced a payout even if the victim had complied.
Read more…
Source: TrendMicro
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- OpenAI explains how its AI agent breached Hugging Face
July 29, 2026
On July 28, OpenAI published an update on the agent that escaped its sandbox and hacked into Hugging Face during an internal cybersecurity evaluation. In the update, OpenAI reiterates that the “rogue” system was a more capable, pre‑release research model, not something intended for public deployment, and that it has now been deactivated and locked down for restricted research ...
- Check Point SmartConsole Authentication Bypass Technical Analysis (CVE-2026-16232)
July 29, 2026
On July 22, 2026, Check Point published a security advisory for CVE-2026-16232, an authentication bypass in the SmartConsole login process affecting Security Management Server and Multi-Domain Security Management Server (MDS). By leveraging CVE-2026-16232, an unauthenticated attacker can obtain an application login token, use this token to log in through SmartConsole with full administrator privileges, and modify the security policy ...
- Iran-linked CyberAv3ngers suspected in attacks on Minnesota water systems
July 29, 2026
Security researchers at Tenable suspect the Iran-linked faux hacktivist outfit CyberAv3ngers was behind the cyberattack that disrupted more than 30 Minnesota water facilities. Neither state-level nor federal officials have made any claims regarding attribution for the attacks, however, Tenable reckons the operational pattern is consistent with the crew’s previous raids, noting the timing relative to recent government warnings. The ...
- Mirage Kitten targets Middle East and Africa region with new malware
July 28, 2026
Mirage Kitten – also known as UNC1549, Smoke Sandstorm, and Nimbus Manticore – is an advanced persistent threat (APT) group focused on cyber-espionage operations against aerospace, aviation, defense, and telecommunications sectors across the Middle East and Africa, using highly targeted spear-phishing campaigns, fake recruitment portals, and custom multi-stage malware to gain persistent access and exfiltrate sensitive data. During ...
- Hugging Face CEO calls for ‘radical transparency’ after ‘unprecedented’ OpenAI hack
July 26, 2026
After OpenAI recently admitted that one of its models had breached the systems of AI platform Hugging Face, Hugging Face’s CEO Clem Delangue posted on X that he was flying to San Francisco to have “a little chat with that ‘rogue agent.’” Then, in a follow-up post on Saturday, Delangue outlined what he’d asked for from OpenAI. He said he called ...
- What the First Autonomous Ransomware Case Confirms
July 24, 2026
Security researchers have documented an AI agent running a full ransomware operation on its own against a live production target, planning, adapting, and executing every step from the first exploit through data destruction. This is early real-world evidence of the shift to autonomous criminal operations that our research forecast. Agent-run attacks change what defenders can rely ...