There are in fact two security flaws – Meltdown and Spectre – arising from the design of microprocessors.
Meltdown is a hardware vulnerability affecting Intel x86 microprocessors and some ARM-based microprocessors. It allows a rogue process to read any physical, kernel or other process’s mapped memory, regardless of whether or not it should be able to do so. Source
Spectre is a vulnerability with implementations of branch prediction that affects modern microprocessors with speculative execution, by allowing malicious processes access to the contents of other programs’ mapped memory. Source
Amazon, Google and now Apple — as the list of digital giants hit by the “Spectre” and “Meltdown” computer security flaws grows longer, the race is on to limit the damage.
“All Mac systems and iOS devices are affected, but there are no known exploits impacting customers at this time,” Apple — whose devices are usually regarded as secure — said in a post on an online support page on Thursday.
Almost all microprocessors produced over the past 10 years by Intel, AMD and ARM are affected. No PC or mobile device can function without the miniature components that are effectively nerve centers for executing computer programs and apps.
From CIW NEWS Contributor
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Santa Clara, California, United States
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