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Reporting on Infrastructure from Lazy Tensor.

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Cybersecurity & Infrastructure

Volt Typhoon “Silent Train” Network Exploits Four Zero-Day Flaws

Black Lotus Labs found the China-nexus group can rebuild compromised edge relay chains across 27+ device classes in under two minutes, while Microsoft retires native SMS/voice MFA and Japan’s GMO probes an Onamae Cloud breach.

Enterprise network routers, fiber-optic patch cables with glowing blue status LEDs, and a hardware security key in a cybersecurity operations center
Lumen Technologies’ Black Lotus Labs uncovered Volt Typhoon’s in-memory “Silent Train” operational relay network across 27+ device classes and four zero-day exploits, as Microsoft sets a Feb. 1, 2027 Entra ID passkey transition.