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Old 15th September 2019
comet--berkeley comet--berkeley is offline
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Default Weakness in Intel chips lets researchers steal encrypted SSH keystrokes

Weakness in Intel chips lets researchers steal encrypted SSH keystrokes
DDIO makes servers faster. It can also allow rogue servers to covertly steal data.
By Dan Goodin, Ars Technica, 10 September 2019

In late 2011, Intel introduced a performance enhancement to its line of server processors that allowed network cards and other peripherals to connect directly to a CPU's last-level cache, rather than following the standard (and significantly longer) path through the server's main memory. By avoiding system memory, Intel's DDIO—short for Data-Direct I/O—increased input/output bandwidth and reduced latency and power consumption.

https://arstechnica.com/information-...sh-keystrokes/
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