Tag Archives: CPUs

New working speculative execution attack sends Intel and AMD scrambling

Enlarge Some microprocessors from Intel and AMD are vulnerable to a newly discovered speculative execution attack that can covertly leak password data and other sensitive material, sending both chipmakers scrambling once again to contain what is proving to be a stubbornly persistent vulnerability. Researchers from ETH Zurich have named their attack Retbleed because it exploits… Read More »

Covert channel in Apple’s M1 is mostly harmless, but it sure is interesting

reader comments 56 with 42 posters participating, including story author Share this story Apple’s new M1 CPU has a flaw that creates a covert channel that two or more malicious apps—already installed—can use to transmit information to each other, a developer has found. The surreptitious communication can occur without using computer memory, sockets, files, or… Read More »

New Spectre attack once again sends Intel and AMD scrambling for a fix

reader comments 31 with 23 posters participating Share this story Since 2018, an almost endless series of attacks broadly known as Spectre has kept Intel and AMD scrambling to develop defenses to mitigate vulnerabilities that allow malware to pluck passwords and other sensitive information directly out of silicon. Now, researchers say they’ve devised a new… Read More »

Chipmaker says it will ramp up production of older 28nm chips

Enlarge / A woman watches a mask—a part used in wafer conception—at a show room of the 12-inch United Microelectronics Corp (UMC) factory in Tainan, southern Taiwan. Sam Yeh | Getty reader comments 48 with 38 posters participating Share this story United Microelectronics Corporation (UMC), the world’s fourth-largest contract chipmaker, is expanding its capacity to… Read More »