Security News

Spectre and Meltdown explained: New variants and more efficient patches
2019-02-01 20:32

Learn about these uniquely dangerous vulnerabilities as TechRepublic's James Sanders discusses up-to-date info on the latest variants and best mitigation strategies to minimize performance impact.

Spectre and Meltdown explained: A comprehensive guide for professionals
2019-02-01 13:52

Staying up to date on Spectre and Meltdown can be challenging. This guide includes in-depth explanations about these uniquely dangerous security vulnerabilities and the best mitigation solutions.

A year after Spectre and Meltdown, how well do patches work?
2018-12-21 11:00

Attempts to mitigate the landmark vulnerabilities have caused crashes, sudden reboots, and performance degradations. Here's the progress report on the Spectre and Meltdown solution.

In case you're not already sick of Spectre... Boffins demo Speculator tool for sniffing out data-leaking CPU holes
2018-12-07 23:59

First proof-of-concept, SplitSpectre, requires fewer instructions in victim Analysis You've patched your Intel, AMD, Power, and Arm gear to crush those pesky data-leaking speculative execution...

Spectre mitigation guts Linux 4.20 performance
2018-11-26 11:43

One of Intel’s fixes for the Spectre variant 2 chip flaw appears to have taken a big bite out of the performance of the latest Linux kernel.

Linux kernel Spectre V2 defense fingered for massively slowing down unlucky apps on Intel Hyper-Thread CPUs
2018-11-20 01:34

This is on by default? 'Yikes' says Chipzilla techie Linux supremo Linus Torvalds has voiced support for a kernel patch that limits a previously deployed defense against Spectre Variant 2, a...

Another Meltdown, Spectre scare: Data-blabbing holes continue to haunt Intel, AMD, Arm
2018-11-14 21:38

CPU slingers insist existing defenses will stop attacks – but eggheads disagree Computer security researchers have uncovered yet another set of transient execution attacks on modern CPUs that...

More Spectre/Meltdown-Like Attacks
2018-11-14 21:30

Back in January, we learned about a class of vulnerabilities against microprocessors that leverages various performance and efficiency shortcuts for attack. I wrote that the first two attacks...

Researchers Disclose 7 New Meltdown, Spectre Attacks
2018-11-14 17:59

A team of researchers has described seven new variants of the notorious Meltdown and Spectre attacks, and they claim some of these methods are not mitigated by existing patches, but Intel...

Researchers discover seven new Meltdown and Spectre attacks
2018-11-14 17:54

Experiments showed that processors from AMD, ARM, and Intel are affected.