Top 5 Cybersecurity News

Sealed matte-grey device on a dark table under a narrow lamp, with the headline “What Does Your Assurance Verify?” and the DIESEC logo, for Top 5 Cybersecurity News, October 16, 2026

This week’s Top 5 Cybersecurity News for October 16, 2026 has one thing in common: each story turns on a check that looked like proof of safety. A VPN appliance was fully patched and the vendor’s integrity tool found nothing, yet an attacker held root. French supermarkets ran refrigeration controllers that sit outside most IT…

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Spectre v2 Branch Target Reuse vulnerability

A new Spectre v2 Branch Target Reuse vulnerability lets attackers leak a Linux root password hash in minutes, bypassing existing CPU defenses.

Researchers disclosed a new Spectre v2 Branch Target Reuse vulnerability on September 29 that lets an attacker recover a Linux system’s root password hash in minutes, on a fully patched Intel machine, by abusing a gap between how CPUs and just-in-time compilers handle recycled memory. The flaw touches Intel, AMD and Arm processors alike, and…

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