Threat Advisory: HermeticWiper

**Executive Summary:** HermeticWiper is an active data-wiping malware campaign first observed on 2022-02-23 impacting devices in Ukraine (with collateral infections in Latvia and Lithuania). Samples are signed by the publisher "Hermetica Digital Ltd" and abuse legitimate EaseUS Partition Master drivers; ReliaQuest published detections and MITRE mappings (T1485, T1561.002) and recommends ensuring EDR/AV coverage and maintaining offline backups.