Jan 30, 2026 • ESET WeLiveSecurity
DynoWiper update: Technical analysis and attribution
ESET researchers have published technical analysis of DynoWiper, a data destruction malware used in an attack targeting a Polish energy sector company. This...
Executive Summary
ESET researchers have published technical analysis of DynoWiper, a data destruction malware used in an attack targeting a Polish energy sector company. This destructive malware incident represents a significant threat to critical infrastructure, as successful data wiping operations can cause prolonged operational disruption and potentially impact energy supply capabilities. The attack demonstrates sophisticated tradecraft aimed at maximum impact through data destruction rather than data theft. Organizations in critical infrastructure sectors should ensure robust backup strategies, implement network segmentation, deploy endpoint detection solutions capable of identifying destructive behaviors, and maintain offline backups to enable recovery from such attacks.
Summary
ESET researchers present technical details on a recent data destruction incident affecting a company in Poland’s energy sector
Published Analysis
ESET researchers have published technical analysis of DynoWiper, a data destruction malware used in an attack targeting a Polish energy sector company. This destructive malware incident represents a significant threat to critical infrastructure, as successful data wiping operations can cause prolonged operational disruption and potentially impact energy supply capabilities. The attack demonstrates sophisticated tradecraft aimed at maximum impact through data destruction rather than data theft. Organizations in critical infrastructure sectors should ensure robust backup strategies, implement network segmentation, deploy endpoint detection solutions capable of identifying destructive behaviors, and maintain offline backups to enable recovery from such attacks. ESET researchers present technical details on a recent data destruction incident affecting a company in Poland’s energy sector ESET researchers present technical details on a recent data destruction incident affecting a company in Poland’s energy sector
Linked Entities
- DynoWiper