CIA Tools to Spy on Offline Computers with USB Drives Leaked

usb

A new cache of CIA documents posted on Wikileaks reveals the methods employed by the CIA to hack so-called “air-gapped” machines. As with many exploits, it relies on people being the weak link.

The post CIA Tools to Spy on Offline Computers with USB Drives Leaked appeared first on ExtremeTech.

The original article can be found here: https://www.extremetech.com/computing/251390-leak-reveals-cia-tools-spy-offline-computers-usb-drives?source=Computing

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L2 vs. L3 cache: What’s the Difference?

Cache

What is L2 cache? What is L3 cache? What is the major difference between the two? All your cache questions have been answered.

The post L2 vs. L3 cache: What’s the Difference? appeared first on ExtremeTech.

The original article can be found here: https://www.extremetech.com/computing/55662-top-tip-difference-between-l2-and-l3-cache?source=Computing

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Intel launches Optane memory with cache acceleration for PCs

Intel Optane

Intel’s new Optane cache drives, based on its 3DXPoint memory technology, are finally up for pre-order. Performance gains from adding a cache drive are impressive, and the drives themselves are quite affordable in absolute terms.

The post Intel launches Optane memory with cache acceleration for PCs appeared first on ExtremeTech.

The original article can be found here: https://www.extremetech.com/computing/246570-intel-launches-optane-memory-pcs-promises-cache-acceleration-offers-affordable-price-points?source=Computing

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Intel launches new 65W socketed Broadwell chips with supercharged graphics, 128MB L4 cache

CPU-Wafer1
Intel’s new socketed Broadwell processors are here, combined with a 128MB L4 cache. Intel’s Crystal Well technology shines — Chipzilla has authoritatively taken the lead on integrated graphics performance, though you’ll pay a pretty penny for the privilege.

The original article can be found here: http://www.extremetech.com/gaming/207182-intel-launches-new-65w-socketed-broadwell-chips-with-supercharged-graphics-128mb-l4-cache

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Hundreds of Dropbox credentials reportedly leaked online, company denies breach

A thread on Reddit late Monday linked to a cache of Dropbox usernames and corresponding passwords allegedly gleaned from a Dropbox breach, but the company maintains its servers were not infiltrated and instead placed blame on an unnamed third-party service.



The original article can be found here: http://appleinsider.com.feedsportal.com/c/33975/f/616168/s/3f6dfa00/sc/21/l/0Lappleinsider0N0Carticles0C140C10A0C140Chundreds0Eof0Edropbox0Ecredentials0Eleaked0Eonline0Ecompany0Edenies0Ebreach/story01.htm

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Cook says Apple will roll out new iCloud security alerts, expand 2-step authentication after celebrity photo flap

In response to a recently leaked cache of nude photos apparently stolen from celebrities’ iCloud accounts, Apple CEO Tim Cook said the company plans to activate new security measures designed to thwart future attacks.



The original article can be found here: http://appleinsider.com.feedsportal.com/c/33975/f/616168/s/3e292868/sc/21/l/0Lappleinsider0N0Carticles0C140C0A90C0A40Ccook0Esays0Eapple0Eto0Ealert0Eicloud0Eusers0Eof0Eaccount0Echanges0Eafter0Ecelebrity0Ephoto0Eflap/story01.htm

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How L1 and L2 CPU caches work, and why they’re an essential part of modern chips

The beautiful Pentium M die, with lots and lots of cache
Ever been curious how L1 and L2 cache work? We’re glad you asked. Here, we deep dive into the structure and nature of one of computing’s most fundamental designs and innovations.

The original article can be found here: http://www.extremetech.com/extreme/188776-how-l1-and-l2-cpu-caches-work-and-why-theyre-an-essential-part-of-modern-chips

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