Vulnerability articles

m3-based macbook air celsius macbook air overheating apple m3 with video
Security Apple

Unpatchable Apple Silicon vulnerability could leak encryption keys

In brief: Hardware-based security flaws have become more frequent over the last several years but have mostly affected Intel and AMD processors. Now, Apple joins those ranks with a recently discovered vulnerability that causes Mac M-series CPUs to expose encryption keys. Since it is hardware-based, there is little users can do besides keeping macOS updated.
Full story By Daniel Sims, 15 comments
hackers nfc hacking vulnerability hotel
Security Tech Culture

Ethical hackers show how to open millions of hotel keycard locks

Any NFC-enabled Android phone could forge a master key for every room in a hotel
In a nutshell: Over three million hotel room locks in 13,000 buildings in 131 countries are vulnerable to an exploit that lets attackers forge master keys for any door. Although the manufacturer of the affected locks is rolling out a fix, it's unclear when or if every impacted hotel will upgrade its systems.
Full story By Daniel Sims, 16 comments
amd zen cpus amd ryzen amd cpu vulnerability
Hardware Security

AMD Ryzen CPUs are impacted by all of these serious vulnerabilities

A hot potato: All users with AMD Ryzen processors from the last few years should check and update their motherboard firmware ASAP, especially if they haven't done so since before 2023. AMD has published a detailed chart describing four severe security issues affecting server, desktop, workstation, HEDT, mobile, and embedded Zen CPUs. Recent BIOS updates have addressed most, but not all of the flaws.
Full story By Daniel Sims, 20 comments
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