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Canada and U.S. warn of Chinese-linked cyberattack on Cisco security devices, urging urgent fixes.
On September 25, 2025, Canada's Cyber Centre issued an urgent alert about sophisticated malware targeting Cisco ASA 5500-X Series security devices used widely across Canadian networks.
The threat uses advanced evasion techniques, increasing the risk of undetected breaches.
Organizations are urged to apply patches immediately and report incidents via 1-833-CYBER-88 or contact@cyber.gc.ca.
U.S. CISA also issued an emergency directive requiring federal agencies to act within 24 hours to address a related vulnerability exploited by a cyberespionage group linked to China.
The campaign highlights growing risks to network edge devices, with Cisco advising customers to assess exposure and take protective measures.
Canadá y EEUU advierten de un ciberataque vinculado a China en los dispositivos de seguridad de Cisco, instando a soluciones urgentes.