China tapped Canada’s telecom backbone. Two years of unfiltered access. Cisco warned them. They ignored it. Beijing didn’t.
The breach wasn’t sudden. It was slow, silent, and entirely preventable. In February 2025, Chinese state-backed hackers gained full access to Canada’s telecommunications infrastructure. Not a single firewall tripped. Not one alert sounded. The door had been left wide open since October 2023. Cisco had flagged the issue early. The vulnerability, tracked as CVE-2023-20198, carried …