The Canadian Centre for Cyber Security warns that hacktivists have been tampering with online systems that control water, energy and agricultural facilities.
An alert sent to information security officers says the Cyber Centre and the RCMP have received multiple reports in recent weeks of incidents involving internet-accessible information control systems.
The centre's alert says interference with water pressure at an unnamed facility affected service to a community.
In another incident, manipulation of an automated tank gauge triggered false alarms at a Canadian oil and gas company.
Federal cyber agency warns of 'serious and urgent' attack on tech used by remote workers
China-backed hackers 'almost certainly' targeted Canada during theft of millions of Americans' data
The alert says

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