The KillSec ransomware strain has rapidly emerged as a formidable threat targeting healthcare IT infrastructures across Latin America and beyond. First observed in early September 2025, KillSec operators have leveraged compromised software supply chain relationships to deploy their payloads at scale. Initial indicators of compromise were detected when several Brazilian healthcare providers reported unusual network […] The post KillSec Ransomware Attacking Healthcare Industry IT Systems appeared first on Cyber Security News.

RevengeHotels, a financially motivated threat group active since 2015, has escalated its operations against hospitality organizations by integrating large language model–generated code into its infection chain. Initially known for deploying bespoke RAT families such as RevengeRAT and NanoCoreRAT via phishing emails targeting hotel front-desk systems, the group’s latest campaigns pivot on delivering VenomRAT implants through […] The post RevengeHotels Leveraging AI To Attack Windows Users With VenomRAT appeared first on Cyber Security News.

Modern development workflows increasingly rely on AI-driven coding assistants to accelerate software delivery and improve code quality. However, recent research has illuminated a potent new threat: adversaries can exploit these tools to introduce backdoors and generate harmful content without immediate detection. This vulnerability manifests through the misuse of context‐attachment features, where contaminated external data sources […] The post Threat Actors Could Misuse Code Assistant To Inject Backdoors and Generating Harmful Content appeared first on Cyber Security News.