ESET Research

During the first half of this year, ESET has observed an increase in the number of detections of Nymaim, a long-known malware family whose prevalence has fallen markedly since 2014.

For the last few weeks, ESET has been investigating OSX/Keydnap, a malware that steals the content of the keychain while maintaining a permanent backdoor.

Over the course of the last year, ESET has detected and analyzed several instances of malware used for targeted espionage – dubbed SBDH toolkit.

After BlackEnergy and Operation Potao Express, ESET researchers have uncovered another cyberespionage operation in Ukraine: Operation Groundbait.

Ransomware is everywhere. At least that might be the impression left by a seemingly endless stream of news reports on recent cyberattacks, reports ESET's Ondrej Kubovič.

My video, My first video, Private video: Don’t fall for this Facebook scam, which is infecting accounts around the world with a very high rate of success.

One year after the release of the technical analysis of the Mumblehard Linux botnet, it is no longer active. ESET, in collaboration with the Cyber Police of Ukraine and CyS Centrum LLC, have taken down the botnet, stopping its spamming activities.

Recently, we’ve observed a new wave of scams on Facebook. Crooks are luring social network users to visit bogus Ray-Ban e-shops and buy heavily discounted sunglasses there. Victims’ payment card details are at risk.

In recent months, there has been a significant increase in the number of networks and users affected by ransomware known as Locky, discusses ESET's Diego Perez.