Researchers uncover Volt Typhoon’s covert, ephemeral network

The China-linked threat group has used the “Silent Train” framework, built on a series of rapidly rotating compromised devices, to infiltrate hundreds of critical infrastructure networks. The post Researchers uncover Volt Typhoon’s covert, ephemeral network appeared first on CyberScoop.

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Critical 16-Year-Old UEFI Flaw Can Run Code Before Secure Boot on Network-Booting Servers

A critical 16-year-old flaw in EDK II, the open-source code that most hardware makers use to build UEFI firmware, can allow an attacker to run code on a machine before its operating system loads, but only while the machine is booting over the network. UEFI firmware is the software that runs first when a computer is switched on, before the operating system. An attacker who can reach the machine

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CVE-2026-97631: 16-Year-Old UEFI Flaw Threatens Servers

CVE-2026-97631: A 16-year-old UEFI flaw (CVSS score of 9.5/10) enables pre-OS code execution. Exposed servers need firmware patches and checks. A critical flaw, tracked as CVE-2026-97631 (CVSS score of 9.5), in the firmware that boots most of the world’s servers is now public, and the patch details came out months early. The bug affects TianoCore […]