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gavinsblog's profile
Gavin Sheridan
Gavin Sheridan
Gavin Sheridan
Verified account
@gavinsblog

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Gavin SheridanVerified account

@gavinsblog

CEO @Vizlegal | Co-founder @righttoknowie | #FOIA, #legaltech, journalism, data, OSINT, futurism | Fmr Innovation Dir @Storyful | Substack sub 👇

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gav.substack.com
Joined August 2008

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    Two-way (sending and receiving) short codes:

    Country Code For customers of
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    United Kingdom 86444 Vodafone, Orange, 3, O2
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    Haiti 40404 Digicel, Voila
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    Gavin Sheridan‏Verified account @gavinsblog 1 Aug 2018

    Jaysus. Reddit hack utilised SMS intercept. SMS is not secure, people!pic.twitter.com/9ZPjxF3GjR

    10:48 AM - 1 Aug 2018
    • 55 Retweets
    • 65 Likes
    • Patrick Boland Paul Fennell Jozef Izso Thomas O. Adams Fionnula Wear An FFP2/KN90 Mask!! Paddy Doyle Simon L. B. Nielsen AK2=theAquisitionKnowledge2=GrandNegasAKarriemKhan Fratercula
    5 replies 55 retweets 65 likes
      1. New conversation
      2. Gavin Sheridan‏Verified account @gavinsblog 1 Aug 2018

        This is a warning shot for everyone who uses SMS for 2FA or for apps that only give an SMS option. Change up.

        5 replies 12 retweets 15 likes
        Show this thread
      3. Gavin Sheridan‏Verified account @gavinsblog 1 Aug 2018

        Also : SS7 ist kaput

        1 reply 2 retweets 6 likes
        Show this thread
      4. End of conversation
      1. New conversation
      2. ℂ𝕠𝕟𝕠𝕣 𝕊𝕙𝕒𝕟𝕝𝕖𝕪‏Verified account @ConorS 1 Aug 2018
        Replying to @gavinsblog

        I fear the average web user remains pretty oblivious to 2FA unless it's forced, nevermind which methods are secure.

        1 reply 1 retweet 2 likes
      3. Gavin Sheridan‏Verified account @gavinsblog 1 Aug 2018
        Replying to @ConorS

        True.

        2 replies 0 retweets 0 likes
      4. Show replies
      1. New conversation
      2. Shane Dempsey‏ @sdempsey 1 Aug 2018
        Replying to @gavinsblog

        The security of SMS for 2FA really depends on the interception point. Not all countries use the stronger A5/3 encryption for SMS. In some countries SMS are sent without encryptionhttps://security.stackexchange.com/questions/11493/how-hard-is-it-to-intercept-sms-two-factor-authentication …

        1 reply 1 retweet 2 likes
      3. Gavin Sheridan‏Verified account @gavinsblog 1 Aug 2018
        Replying to @sdempsey

        In general though, token based is the way to go

        2 replies 0 retweets 3 likes
      4. Show replies
      1. On Kar‏ @ORaiden 1 Aug 2018
        Replying to @gavinsblog

        @KanishakChauhan

        0 replies 0 retweets 1 like
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      1. Secret Hero‏ @s3cr3th3r0 1 Aug 2018
        Replying to @gavinsblog

        Not being rude but SMS has been known as insecure for years. It's convenient for those 'lost my phone' moments but in reality it should be avoided like an Ebola victim...

        0 replies 0 retweets 0 likes
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