Hackers breached five Polish water treatment plants. The attack vector was default passwords. Seventy per cent of American water utilities fail the same test.

Hackers breached five Polish water treatment plants in 2025, gaining access to the industrial control systems that regulate pumps, filters, and chemical dosing. In some facilities, the attackers could have altered the operational parameters of equipment that determines what comes out of the tap. The attack vector, in every case, was unremarkable: weak passwords and […] This story continues at The Next Web