Cozy Bear (aka Nobelium, APT29, The Dukes) is a well-resourced, highly dedicated and organized cyberespionage group that...
NOTICE: After additional reviews, the team at Cluster25 has determined that the code commonality identified in the two a...
For a few months Cluster25 collected and analyzed several malicious activities which then were internally linked with th...
INTRODUCTION On 23.02.2022 one of our partners received a very specific targeted spear-phishing email message which lead...
INTRODUCTION On 25.02.2022 cybercrime group Conti published the following statement on their shame blog: The post was re...
Cluster25 analyzed a recent attack linked to the North Korean APT group “Konni” targeting Russian diplomatic sector usin...
Dharma, a family of ransomware first spotted in 2016, is a malicious program that encrypts a victim’s files and takes as...