The Vice Society ransomware actors have switched to yet another custom ransomware payload in their recent attacks aimed at a variety of sectors. “This ransomware variant, dubbed ‘PolyVice,’ implements a robust encryption scheme, using NTRUEncrypt and ChaCha20-Poly1305 algorithms,” SentinelOne researcher Antonio Cocomazzi said in an analysis. Vice Society, which is tracked by Microsoft under the…

In a joint advisory this week, the three agencies warn that a threat actor tracked as ‘Vice Society’ has been “disproportionately targeting the education sector with ransomware attacks”. Ransomware attacks targeting the education sector, especially K-12, are not uncommon, and the US government agencies expect an increase in attacks as the 2022/2023 school year begins….