Hackers Tamper with Canadian Critical Infrastructure Control Systems
Hackers have remotely tampered with operational settings in multiple Canadian critical infrastructure organizations, including a provincial water utility, an oil and gas company, and a grain drying silo. The Canadian Centre for Cyber Security issued an alert warning that attackers manipulated pressure valves at a water utility, degrading services, and triggered false alerts at an oil and gas company by altering automated tank gauges. In another incident, temperature and humidity controls were changed at a grain silo, creating potential safety risks. These attacks highlight the vulnerability of small, budget-constrained utilities to cyber threats targeting industrial control systems.
The incidents underscore a growing trend of cyberattacks against critical infrastructure, with attackers exploiting remote access to manipulate physical processes and disrupt essential services. The advisory emphasizes the need for improved cybersecurity measures in the sector, as many organizations lack the resources and preparedness to defend against sophisticated threats. No specific attribution has been made public, but the attacks have raised concerns about the safety and reliability of essential services in Canada.
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