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…
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Volt Typhoon targeted enterprise control planes via ever-changing “Silent Train” relay network
Security AffairsCritical
Volt Typhoon Used Silent Train to Hide Zero-Day AttacksVolt Typhoon used disposable relay chains to hide zero-day attacks on critical systems. Lumen linked Silent Train to at least four zero-days. Lumen’s Black Lotus Labs has spent three years tracking a covert network it calls Silent Train, which it ties to Volt Typhoon, the China-linked APT group. The cybersecurity firm…
CVEsNorth America
CVE-2025-8875EPSS 85exploitedCVE-2025-8876EPSS 91exploitedCVE-2026-20127EPSS 100exploitedCVE-2026-16812EPSS 78exploitedVolt Typhoon
Researchers uncover Volt Typhoon’s covert, ephemeral network
Volt Typhoon, a China-government backed hacking group that has infiltrated America’s critical infrastructure networks for years, has consistently built and dismantled ephemeral malicious infrastructure to burrow into hundreds of sensitive systems undetected, Lumen Technologies’ Black Lotus Labs said in a Wednesday…