From late April 2026 to mid-June 2026, Microsoft Defender Experts observed increased ACR Stealer activity across customer ...

One of the Russian government’s most elite hacking groups has adopted an attack, known as Clickfix, to compromise devices ...

Threat researchers at cloud security firm Sysdig have disclosed what they describe as the first documented ransomware operation carried out end-to-end by an autonomous AI agent, with no human typing ...

Cloud security firm Sysdig has documented what it says is the first ransomware attack carried out from initial exploitation through encryption by an autonomous AI agent, without a human directing each ...

Abstract: Recently, digital images are the most important information carrier of data obtained from consumer devices, thus playing a vital role in various potential applications. Despite benefits of ...

Abstract: This paper presents GRTPHM (Generalized Rectangular Transform and Penta-Hyperchaotic Map), a novel multi-image encryption scheme that enhances security, efficiency, and versatility. The ...