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Netsec
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This channel posts the feed from r/netsec.
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I made a push notification feed (desktop/mobile) for posts of r/netsec that have a minimum of 200 Karma.
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Submitted August 28, 2018 at 06:36AM by soeindohuwabohu
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Gmail Android app insecure Network Security Configuration
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Submitted August 28, 2018 at 03:50PM by clviper
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Good Introduction to CORS (Cross-Origin Resource Sharing)
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Submitted August 29, 2018 at 12:42PM by CyberBullets
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Fuzzing the .NET JIT Compiler
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Submitted August 29, 2018 at 12:34PM by 0xad
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Native Android Proxmark3 client (rootless)
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Submitted August 29, 2018 at 07:17PM by doylersec
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WebAuthn Cryptography Flaws Round 2: IBM's ECDAA implementation
Hi /r/netsec!This is a follow-up to my previous submission about Security Concerns Surrounding WebAuthn, which dove into the cryptography protocol design of ECDAA (a FIDO Alliance design which WebAuthn explicitly adds as a reserved COSE algorithm).I looked at the ECDAA implementation published on Github under the IBM-Research organization and discovered that they're just using BigInteger.mod(), which will produced biased output (unless you're using a curve whose order is a Mersenne prime). Given that IBM employees were the co-authors of the ECDAA specification, I'm led to believe that the IBM-Research repository is somewhat official.I reported this on Github, of course: https://github.com/ibm-research/ecdaa/issues/5While I'm excited about the prospect of hardware-based 2FA (or even WebAuthn-powered single factor to eliminate passwords in corporate settings), the cryptography they're trying to standardize is too error-prone. We shouldn't trust it until these flaws are remedied.

Submitted August 29, 2018 at 08:48PM by sarciszewski
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We Are Motherboard's Infosec Reporters: Let's Talk Journalism and "Cyber." Ask Us Anything!
We are Lorenzo Franceschi-Bicchierai and Joseph Cox. We cover infosec and hacking for Motherboard, VICE Media's tech and science website. Over the years, we have written about government hacking, consumer spyware, surveillance technology, cybercrime, and a loooooot of data breaches.Recently, we've been digging into SIM swapping scams, the iPhone zero-day market, the mysterious group doxing Chinese government hackers, and Facebook's impossible problem: content moderation.Today we will stand on the other side and take questions about how we pick stories, how we report articles, how we verify hacked or leaked data, and anything in between.Proof: https://i.redd.it/ojzd8pgcivi11.jpg

Submitted August 29, 2018 at 08:33PM by motherboard
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Assume the Worst: Enumerating AWS Roles through ‘AssumeRole’
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Submitted August 30, 2018 at 12:24AM by hackers_and_builders
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