An ongoing attack campaign has compromised more than 25,000 Linux and Unix servers over the past two years with the goal of setting up spam runs, stealing account credentials and conducting other ...

Countries where GhostRedirector victims were detected: · GlobeNewswire Inc. ESET Research observed at least 65 Windows servers compromised, based on an internet scan from June 2025. ESET believes that ...

At least 10 nation-state-backed groups are using the ProxyLogon exploit chain to compromise email servers, as compromises mount. Recently patched Microsoft Exchange vulnerabilities are under fire from ...

ESET has collaborated with the Federal Police of Brazil in an attempt to disrupt the Grandoreiro botnet. ESET contributed to the project by providing technical analysis, statistical information, and ...

There are more than 10 different advanced persistent threat (APT) groups exploiting recent Microsoft Exchange vulnerabilities, according to ESET research. Last week, Microsoft released out-of-band ...

Today, ESET researchers reveal a family of Linux malware that stayed under the radar for more than 5 years. We have named this family Linux/Mumblehard. A white paper about this threat is available for ...

Countries where GhostRedirector victims were detected: Countries where GhostRedirector victims were detected: BRATISLAVA, Slovakia, Sept. 04, 2025 (GLOBE NEWSWIRE) -- ESET Research has discovered a ...

BRATISLAVA, Slovakia, Sept. 04, 2025 (GLOBE NEWSWIRE) -- ESET Research has discovered a new threat actor, which it has named GhostRedirector. In June 2025, this threat actor compromised at least 65 ...