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.

ESET Research analyzes Gamaredon’s new toolset and the group’s growing reliance on legitimate online services to hide its C&C infrastructure and exfiltrate stolen data

ESET researchers assisted in the global disruption of the Amadey botnet and Stealc infostealer, providing technical analysis, infrastructure tracking, and affiliate-level insights

ESET Research shares the results of a months-long investigation into the suite of EDR killers maintained by the RaaS gang Gentlemen

ESET researchers have discovered SprySOCKS for Windows, FishMonger’s backdoor weaponizing a kernel driver for advanced stealthiness

A shift in operational pattern of the infamous Vietnam-aligned APT group

An overview of the activities of selected APT groups investigated and analyzed by ESET Research in Q4 2025 and Q1 2026

ESET researchers describe new tools and techniques that the Webworm APT group recently added to its arsenal

ESET researchers uncovered new activities attributed to FrostyNeighbor, updating its compromise chain to support the group’s continual cyberespionage operations

ESET researchers uncovered fraudulent apps on Google Play that claim to provide the call history “for any number” and had been downloaded more than seven million times before being taken down

ESET researchers have investigated an ongoing attack by the ScarCruft APT group that targets the Yanbian region via backdoor-laced Windows and Android games

ESET Research has discovered a new China-aligned APT group that we’ve named GopherWhisper, which targets Mongolian governmental institutions

ESET researchers discover another iteration of NGate malware, this time possibly developed with the assistance of AI

ESET researchers dive deeper into the EDR killer ecosystem, disclosing how attackers abuse vulnerable drivers

The resurgence of one of Russia’s most notorious APT groups

ESET researchers discover PromptSpy, the first known Android malware to abuse generative AI in its execution flow

ESET researchers present technical details on a recent data destruction incident affecting a company in Poland’s energy sector

ESET researchers discover an Android spyware campaign targeting users in Pakistan via romance scam tactics, revealing links to a broader spy operation