ESET Research: Sandworm behind cyberattack on Poland’s power grid in late 2025

LowWeLiveSecurity·

At a glance

Severity
Low
Used in attacks
No flaws named
Hacker groups and malware
Sandworm
Reported by
1 outlet

The attack involved data-wiping malware that ESET researchers have now analyzed and named DynoWiper…

We summarise and link; this source is not one we hold a licence to reproduce. Everything below is what CyberBrief adds: the vulnerabilities involved, whether they are being exploited, who is named, and who else covered it.

Coverage

One outlet has carried this so far.

  1. WeLiveSecurityEstablished SourceFirst reported

    2026-01-23 16:58 UTC

Related stories