ESET researchers analyzed a cyberespionage campaign conducted by BladedFeline, an Iran-aligned APT group with likely ties to OilRig.

The H1 2025 issue of the ESET Threat Report reviews the key trends and developments that shaped the threat landscape from November 2024 to May 2025

ESET researchers map out the labyrinthine relationships among the vast hierarchy of AsyncRAT variants.

ESET Research has been monitoring intense attacks involving the recently discovered ToolShell zero-day vulnerabilities.

ESET Research discover a zero-day vulnerability in WinRAR being exploited in the wild in the guise of job application documents.

ESET researchers have identified a new threat actor targeting Windows servers with a passive C++ backdoor and a malicious IIS module that manipulates Google search results.

ESET Research has discovered HybridPetya, a copycat of the infamous Petya/NotPetya malware that adds the capability of compromising UEFI-based systems and weaponizing CVE‑2024‑7344 to bypass UEFI Secure Boot on outdated systems.