Polish intelligence warns hackers attacked water treatment control systems

Poland’s domestic intelligence service said attackers breached water treatment facilities in five towns in 2025, in some cases gaining access to industrial control systems that could have disrupted water supplies.

In a new public report, the Internal Security Agency (Agencja Bezpieczeństwa Wewnętrznego, or ABW) said water treatment stations in Jabłonna Lacka, Szczytno, Małdyty, Tolkmicko and Sierakowo were targeted.

“Attackers, gaining access in some cases to industrial control systems, had the ability to alter technical parameters of devices,” the report said, creating “a direct risk” to the continuity of water supply operations.

Read more at The Record