OpenAI models going rogue, the first documented agentic ransomware operation, and an emergent AI-driven supply chain threat made for a packed July roundup

The screenshot may look convincing, but it doesn’t necessarily prove that the payment, booking or conversation is genuine

ESET researchers discovered 11 vulnerable UEFI shim bootloaders signed by Microsoft that allow attackers to bypass UEFI Secure Boot by exploiting decade-old vulnerabilities

A view of the H1 2026 threat landscape as seen by ESET telemetry and from the perspective of ESET threat detection and research experts.