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    US midterm results latest: Republicans win 218 seats to take House as Kevin McCarthy wins initial GOP speaker vote

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    Black Market for Fraudulent Ad Accounts Found on Facebook

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    Twitter, Facebook, Lyft layoffs spark fears of dotcom crash 2.0

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    6 Android Apps for Budget Management

    Meta lays off 11,000 workers as it faces competition from TikTok

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    Enhance your omnichannel service strategies with data-driven insights.

    Black Market for Fraudulent Ad Accounts Found on Facebook

    Sen. Mark Warner and Sen. Marco Rubio at a hearing.

    Trump’s TikTok ban might have been right after all

    14 Gift Ideas for the Home Chef (2022): Vitamix, Cookbooks, and More

    14 Gift Ideas for the Home Chef (2022): Vitamix, Cookbooks, and More

    6 Android Apps for Budget Management

    Twitter, Facebook, Lyft layoffs spark fears of dotcom crash 2.0

    Facebook layoffs are a reminder that your job won’t love you back

    Facebook layoffs are a reminder that your job won’t love you back

    Facebook Reels app on a smartphone on a yellow background

    How to Hide Reels on Facebook

    6 Android Apps for Budget Management

    Meta lays off 11,000 workers as it faces competition from TikTok

    reduce a PDF’s file size

    How to reduce a PDF’s file size for Mac and Windows

    7 Best Tools To Boost UX Designer's Work In 2022

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    Pixel Watch in the test

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    US midterm results latest: Republicans win 218 seats to take House as Kevin McCarthy wins initial GOP speaker vote

    US midterm results latest: Republicans win 218 seats to take House as Kevin McCarthy wins initial GOP speaker vote

    Google Pixel Watch

    Your Pixel Watch is Getting Better at Sleep Tracking

    Analyst: iPhone 14 Plus Sales Lagged Behind iPhone 13 Mini, Strategy 'Failed'

    Apple’s Emergency SOS Service for iPhone 14 Goes Live in US and Canada

    Pixel 7 Pro hazel top down view with display on

    Survey shows few people have had major issues with the Pixel 7 series

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    • CES 2017
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    Discord on Xbox is dropping its reliance on your phone

    Xbox rolls out official support for Discord, Lightstream, and Streamlabs

    Samsung brings Xbox Cloud Gaming and GeForce Now to 2021 sets

    Samsung brings Xbox Cloud Gaming and GeForce Now to 2021 sets

    Virtual Gaming Revolution Continuing To Develop

    Virtual Gaming Revolution Continuing To Develop

    How to Set Custom Shortcuts for Xbox Game Bar in Windows

    How to Set Custom Shortcuts for Xbox Game Bar in Windows

    Asus' ROG Flow Z13 is a Surface for gaming

    Asus’ ROG Flow Z13 is a Surface for gaming

    Atari's 50th anniversary celebration gives players a hands-on lesson in video gaming history

    Atari’s 50th anniversary celebration gives players a hands-on lesson in video gaming history

  • Crypto
    Enhance your omnichannel service strategies with data-driven insights.

    Black Market for Fraudulent Ad Accounts Found on Facebook

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    Trump’s TikTok ban might have been right after all

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    14 Gift Ideas for the Home Chef (2022): Vitamix, Cookbooks, and More

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    Twitter, Facebook, Lyft layoffs spark fears of dotcom crash 2.0

    Facebook layoffs are a reminder that your job won’t love you back

    Facebook layoffs are a reminder that your job won’t love you back

    Facebook Reels app on a smartphone on a yellow background

    How to Hide Reels on Facebook

    6 Android Apps for Budget Management

    Meta lays off 11,000 workers as it faces competition from TikTok

    reduce a PDF’s file size

    How to reduce a PDF’s file size for Mac and Windows

    7 Best Tools To Boost UX Designer's Work In 2022

    7 Best Tools To Boost UX Designer’s Work In 2022

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    Enhance your omnichannel service strategies with data-driven insights.

    Black Market for Fraudulent Ad Accounts Found on Facebook

    Sen. Mark Warner and Sen. Marco Rubio at a hearing.

    Trump’s TikTok ban might have been right after all

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    14 Gift Ideas for the Home Chef (2022): Vitamix, Cookbooks, and More

    6 Android Apps for Budget Management

    Twitter, Facebook, Lyft layoffs spark fears of dotcom crash 2.0

    Facebook layoffs are a reminder that your job won’t love you back

    Facebook layoffs are a reminder that your job won’t love you back

    Facebook Reels app on a smartphone on a yellow background

    How to Hide Reels on Facebook

    6 Android Apps for Budget Management

    Meta lays off 11,000 workers as it faces competition from TikTok

    reduce a PDF’s file size

    How to reduce a PDF’s file size for Mac and Windows

    7 Best Tools To Boost UX Designer's Work In 2022

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Microsoft fixes Windows 11 encryption bug that can lead to corrupted data

by Staff Writer
August 10, 2022
in Microsoft
Reading Time: 2 mins read
Microsoft fixes Windows 11 encryption bug that can lead to corrupted data
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Why it matters: According to Microsoft, an encryption bug in older versions of Windows 11 and Windows Server 2022 could lead to data corruption on systems running Ice Lake, Tiger Lake, or Rocket Lake CPUs. The company fixed the problem a few months ago through a patch that introduced performance penalties, with the newest updates returning encryption speed to normal.

Microsoft has acknowledged a severe bug in Windows 11 and Windows Server 2022 that results in data damage for devices equipped with processors supporting the newest Vector Advanced Encryption Standard (VAES) instruction set.

READ ALSO

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PC Game Performance Can Drop With Windows 11 22H2, Microsoft Warns

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Only newer CPU generations support VAES instructions, including Ice Lake, Tiger Lake, Rocket Lake, and AMD’s upcoming Zen 4. You can also manually enable them on early Alder Lake processors on certain motherboards, although Intel has physically fused off AVX-512 entirely in newer CPU revisions.

Microsoft claims the problem stems from the new code paths added to SymCrypt (Windows’s core cryptographic function library) that take advantage of VAES instructions. Specifically, the affected machines use either AES XEX-based tweaked-codebook mode with ciphertext stealing (AES-XTS) or AES with Galois/Counter Mode (GCM) (AES-GCM).

The company initially addressed the data corruption issue in the May 24 preview release and the June 14 security update. However, these patches introduced a massive performance penalty for AES-based operations, with some functions reportedly taking twice as long. In Microsoft’s testing, slowdowns occurred in Bitlocker and the Transport Layer Security (TLS) protocol, with disk throughput also affected, especially for enterprise customers.

Fortunately, Microsoft’s newest updates resolve these performance regressions. Users can receive the new patches automatically via Windows Update or download them directly from Microsoft’s Update Catalog.

Windows 11 used to have another issue that led to degraded SSD performance. Microsoft’s first patch only fixed the problem for some people, and it took several months for the company to release an update that restored disk performance to normal levels for everyone. Some Windows 11 PCs also come with Virtualization-based Security (VBS) enabled by default, which has a significant performance impact in some scenarios, most notably gaming.

Source by www.techspot.com

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