Volt Typhoon, a Chinese state-sponsored APT group that’s focused on cyberespionage and United States’ critical infrastructure, has been using a covert, constantly rotating relay network to hide its most sensitive intrusions, Lumen’s Black Lotus Labs revealed on Wednesday. This network, dubbed Silent Train by the researchers, consists of chains of compromised SOHO and IoT devices (e.g., TP-Link and Netgear routers) and enterprise systems (e.g., Fortinet and Cisco appliances, PRTG and CyberPanel servers). Through it, the … More →
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Volt Typhoon targeted enterprise control planes via ever-changing “Silent Train” relay network