ESET: Russian government hackers were behind the attack on Poland's power grid
The DynoWiper malware targeted two heat and power plants. Half a million homes could have lost heat and electricity.
On January 23, security firm ESET said the hacking group Sandworm, linked to Russia's military intelligence (GRU), was behind a cyberattack on Poland's energy sector, with "medium confidence".
What happened?
- The attack took place on December 29–30
- Targets: two heat and power plants and communication links to renewable energy sources
- A wiper malware called DynoWiper was used
How serious was it?
- Energy Minister Motyka called it the "strongest attack" on Poland's energy infrastructure in years
- Local media reported that at least half a million homes could have lost heat and power
- Prime Minister Tusk said "at no point was critical infrastructure threatened"
Who is Sandworm?
Sandworm is already known for attacks on Ukraine's power grid.
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