Poland says it foiled cyberattack targeting major city’s water supply

Cybersecurity
August 23, 2025 · 6:48 PM3 min read

Poland’s successful defense against a sophisticated cyberattack on critical water infrastructure highlights the escalating digital warfare between Russia and NATO allies supporting Ukraine. The thwarted assault on a major Polish city’s water supply represents a dangerous escalation in cyber threats targeting civilian infrastructure, demonstrating how modern conflicts extend beyond traditional battlefields into essential services that millions depend on daily. This incident underscores Poland’s strategic importance as a key transit hub for Western aid to Ukraine, making it a prime target for Russian hybrid warfare tactics designed to undermine public confidence and strain international alliances. The revelation that Poland faces approximately 300 cyberattacks daily illustrates the relentless nature of digital aggression in contemporary geopolitical conflicts.

Critical Infrastructure Attack

A large Polish city could have had its water supply cut off on Wednesday as a result of a cyberattack, a deputy prime minister said after the intrusion was foiled.

In an interview with news portal Onet on Thursday, Deputy Prime Minister Krzysztof Gawkowski, who is also digital affairs minister, did not specify who was behind the attack or which city was targeted.

Poland has said that its role as a hub for aid to Ukraine makes it a target for Russian cyberattacks and acts of sabotage. Gawkowski has described Poland in the past as the “main target” for Russia among NATO countries.

Government Response

Gawkowski told Onet that the cyberattack could have meant there would be no water in one of Poland’s big cities.

“At the last moment we managed to see to it that when the attack began, our services had found out about it and we shut everything down. We managed to prevent the attack.”

He said Poland manages to thwart 99% of cyberattacks.

The timing and sophistication of this water infrastructure attack reveals the strategic nature of Russian cyber operations, which deliberately target civilian services to maximize psychological impact while avoiding direct military confrontation that could trigger Article 5 responses from NATO. The choice to attack water supplies demonstrates an understanding of modern urban vulnerabilities, where disrupting essential services can create panic, undermine government credibility, and strain public support for continued aid to Ukraine.

Cybersecurity Investment

Gawkowski last year that Poland would spend over 3 billion zlotys ($800 million) to boost cybersecurity after the state news agency PAP was hit by what authorities said was likely to have been a Russian cyberattack.

The digital affairs ministry did not immediately respond to an email requesting further details.

Broader Sabotage Campaign

On Wednesday Prime Minister Donald Tusk, who has warned that Russia is trying to drive a wedge between Warsaw and Kyiv, said that a young Ukrainian man had been detained for acts of sabotage on behalf of foreign intelligence services, including writing graffiti insulting Poles.

PAP reported on Thursday that a 17-year-old Ukrainian man detained, among other things, for desecrating a monument to Poles killed by Ukrainian nationalists in World War Two has been charged with participating in an organised criminal group aimed at committing crimes against Poland.

Poland’s successful defense against this water infrastructure cyberattack demonstrates both the severity of Russian digital threats and the effectiveness of robust cybersecurity measures in protecting civilian populations. The incident highlights how critical infrastructure has become a primary target in modern hybrid warfare, where disrupting essential services can achieve strategic objectives without crossing traditional military thresholds. Poland’s experience serves as a crucial case study for other NATO allies facing similar threats, emphasizing the need for comprehensive cybersecurity investments and international cooperation in defending democratic societies. The ongoing campaign of cyber warfare and sabotage operations against Poland underscores the persistent nature of Russian efforts to undermine Western unity and support for Ukraine through any means necessary.

GCN.com/Reuters.