In recent years, cyber attacks have become increasingly frequent and wide-reaching. In 2023, the Toronto Public Library, Canada’s largest-circulation library system, was the subject of a ransomware attack. Its systems were down for months, and the library was taken back to a pre-internet age. Now, hackers are turning to water treatment plants – and it’s not money they’re after. Patrick White is the Globe’s water reporter. He’s on the show to talk about how these attacks have been unfolding, why they look different from other kinds of infrastructure hacks, and how governments are preparing for this new threat.