ESET Research uncovers Janeleiro, a new banking trojan attacking corporate users in Brazil

ESET Research has uncovered a new banking trojan that has been targeting corporate users in Brazil since at least 2019 across many sectors, including engineering, healthcare, retail, manufacturing, finance, transportation, and governmental institutions. ESET dubbed the new threat Janeleiro. It attempts to deceive its victims with pop-up windows designed to look like the websites of … More ESET Research uncovers Janeleiro, a new banking trojan attacking corporate users in Brazil

Google fixes Chrome zero‑day bug exploited in the wild

The latest update patches a total of five vulnerabilities affecting the browser’s desktop versions. Google has rolled out an update for its Chrome web browser that fixes five security flaws, including a zero-day vulnerability that is known to be actively exploited by malicious actors. The bugs affect the Windows, macOS, and Linux versions of the … More Google fixes Chrome zero‑day bug exploited in the wild

Exchange servers under siege from at least 10 APT groups

ESET Research has found LuckyMouse, Tick, Winnti Group, and Calypso, among others, are likely using the recent Microsoft Exchange vulnerabilities to compromise email servers all around the world. ESET Research has discovered that more than ten different advanced persistent threat (APT) groups are exploiting the recent Microsoft Exchange vulnerabilities to compromise email servers. ESET has … More Exchange servers under siege from at least 10 APT groups

Microsoft patches actively exploited Windows kernel flaw

This month’s relatively humble bundle of security updates fixes 56 vulnerabilities, including a zero-day bug and 11 flaws rated as critical. Yesterday was the second Tuesday of the month, which means that Microsoft is rolling out patches for security vulnerabilities found in Windows and its other products. This year’s second batch of security updates brings … More Microsoft patches actively exploited Windows kernel flaw

ESET discovers Kobalos: tiny yet complex Linux threat attacking supercomputers

ESET researchers discovered Kobalos, a malware that has been attacking supercomputers – high performance computer (HPC) clusters. ESET has worked with the CERN Computer Security Team and other organizations involved in mitigating attacks on these scientific research networks. Among other targets was a large Asian ISP, a North American endpoint security vendor as well as … More ESET discovers Kobalos: tiny yet complex Linux threat attacking supercomputers