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Fun With Microsoft

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Security
  • Intelligence agency National Cyber Security Centre is working with Dixons Carphone on huge data breach

    The National Cyber Security Centre (NCSC), part of GCHQ, said today it is working with Dixons Carphone on mitigation measures, after the retailer said it was investigating a data breach involving 5.9m payment cards and 1.2m personal data records.

    The company announced earlier on that there was an attempt to compromise 5.9m cards in one of the processing systems of Currys PC World and Dixons Travel stores.

  • Spy agency investigates Dixons Carphone bank card data breach
  • Want to Break Into a Locked Windows 10 Device? Ask Cortana (CVE-2018-8140)
  • Cortana Flaw Lets Hackers Access Data, Reset Password On Locked Windows 10 PCs

    Security researchers have found a critical flaw in Windows 10 where Cortana can be manipulated into executing Powershell commands on locked devices.

    Attackers can misuse this vulnerability to retrieve confidential data, reset the password, log into a device, and even execute codes from above the lock screen. The only sense of satisfaction is that it requires physical access to the device.

  • Windows 10 Cumulative Update KB4284835 Might Be Failing to Install as Well

    Windows 10 April 2018 Update has received a new cumulative update as part of this month’s Patch Tuesday cycle, and although it seemed to install correctly at first, it looks like some users are now hitting issues with this new release.
    Windows 10 cumulative update KB4284835 brings several important fixes and it resolves a bug causing the April 2018 Update to fail with a black screen on a number of systems.

    Microsoft says it’s aware of just one known issue in this cumulative update, but as it turns out, KB4284835 fails to install in some cases, eventually causing an infinite loop where the update is listed as successfully installed, only to be re-offered again after every boot.

    There are several posts on reddit pointing to such an issue, and for the time being, no workaround appears to be available. Manually installing the update does not correct this behavior.

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Android Leftovers

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With GCC 9 embarking upon its third stage of development where the focus ships to working on bug/regression fixes in preparation for releasing the GCC 9.1 stable compiler likely around the end of Q1'2019, here is a fresh look at the GCC 9 performance with its latest development code as of this week compared to GCC 8.2.0 stable while using an Intel Core i9 7980XE test system running Ubuntu Linux. For good measure are also fresh results from LLVM Clang 7.0 stable as well as LLVM Clang 8.0 SVN for the latest development state of that competing C/C++ open-source compiler. Read more

This under-$6 SBC runs Linux on RISC-V based C-SKY chip

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