On a compromised Exchange server, the most interesting activity is not always the message that arrives in a user’s inbox. Somewhere in a national government office, an official sends an email to a ...

ESET researchers uncover Gorbag, a Russia-aligned group using simple infostealers to harvest data from Ukrainian organizations near the front line.

Most of us are in a job or looking for one. Or both. That’s largely why employment and work-from-home scams are so popular among cybercriminals (and even some state-aligned threat actors). The schemes ...

At ESET, we have been tracking the DarkVigil toolset (also known as FDMTP) and its operator, the SlippyNunchucks threat actor, since 2025. Across the campaigns we have analyzed, one behavior has ...

Ten years ago we raised awareness of Ebury by publishing a white paper we called Operation Windigo, which documented a campaign that leveraged Linux malware for financial gain. Today we publish a ...

ESET researchers discovered a series of attacks on a governmental organization in Europe using tools capable of targeting air-gapped systems. The campaign, which we attribute to GoldenJackal, a ...

We’ve all heard about the dangers posed by social engineering. It’s one of the oldest tricks in the hackers’ book: psychologically manipulate a victim into handing over their information or installing ...

Is your phone suddenly flooded with aggressive ads, slowing down performance or leading to unusual app behavior? Here’s what to do. Adware occupies something of a grey area in the threat landscape. At ...

ESET researchers have recently observed a new instance of Operation DreamJob – a campaign that we track under the umbrella of North Korea-aligned Lazarus – in which several European companies active ...

A view of the H1 2026 threat landscape as seen by ESET telemetry and from the perspective of ESET threat detection and research experts.

When phishing can increasingly pass familiar checks, avoiding or limiting the damage depends on how quickly your company can detect and contain the attack ...