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UNC4393 Goes Gently into the SILENTNIGHT
UNC4393 Goes Gently into the SILENTNIGHT
In mid-2022, Mandiant's Managed Defense detected multiple intrusions involving QAKBOT, leading to the deployment of BEACON coupled with other pre-ransomware indicators. This marked Mandiant's initial identification of UNC4393, the primary user of BASTA ransomware. Mandiant has responded to over 40 separate UNC4393 intrusions across 20 different industry verticals. While healthcare organizations have not traditionally been a focus for UNC4393, several breaches in the industry this year indicate a possible expansion of their interests. However, this represents only a fraction of the cluster's victims, with the Black Basta data leak site purporting over 500 victims since inception. Over the course of this blog post, Mandiant will detail the evolution of UNC4393's operational tactics and malware usage throughout its active lifespan, with a focus on the period following the QAKBOT botnet takedown. We will highlight the cluster's transition from readily available tools to custom malware development as well as its evolving reliance on access brokers and diversification of initial access techniques.
·cloud.google.com·
UNC4393 Goes Gently into the SILENTNIGHT
le team sa - Informations sur le cyberincident chez leteam sa
le team sa - Informations sur le cyberincident chez leteam sa
En décembre 2023, leteam sa a été victime d'une cyber-attaque. Un groupe de ransomware connu a pu accéder au réseau et crypter plusieurs disques. Grâce à une réaction rapide de l'équipe informatique et d'experts en sécurité externes, l'attaque a pu être rapidement contrée et les systèmes restaurés. L'analyse de l'incident a révélé une fuite de certaines données, mais celle-ci a été jugée à l'époque comme étant partiellement critique. Un monitoring a été mis en place pour surveiller une éventuelle publication de données.
·team.jobs·
le team sa - Informations sur le cyberincident chez leteam sa