Quebec and the federal government in Ottawa have launched investigations into a series of cyberattacks that struck water treatment facilities across Canada during the summer of 2026.
The provincial ministry that oversees water services and the national cybersecurity agency are collaborating to trace how the intrusions were carried out, identify the actors involved and evaluate any impact on water quality or supply.
Officials have confirmed that two Canadian water treatment plants were directly targeted, while reports from the United States indicate that dozens of similar facilities experienced comparable attacks in the same timeframe.
The incidents emerged at a time when cyber activity aimed at critical infrastructure has been climbing throughout North America. Authorities on both sides of the border have been intensifying monitoring of utilities and reviewing protective measures in response to the broader trend.
U.S. agencies say that state and federal cybersecurity teams detected the attacks on the American plants and began coordinated response efforts, although precise numbers of affected sites have not been disclosed.
Both Quebec and Ottawa have stated they will share investigative findings with their American counterparts and will consider additional safeguards for water systems, but specific steps have not yet been announced.
The probes remain active, and neither province nor federal officials have released details about the techniques used by the attackers or any interruption to water service at the sites involved. The ongoing examinations reflect a joint effort to secure essential services as digital threats become increasingly common.