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rootkovska's profile
Joanna Rutkowska
Joanna Rutkowska
Joanna Rutkowska
Verified account
@rootkovska

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Joanna RutkowskaVerified account

@rootkovska

Strategy & security at @golemproject. Previously: founder of @QubesOS and Invisible Things Lab. Distrusts computers.

Warsaw
blog.invisiblethings.org
Joined July 2014

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    Joanna Rutkowska‏Verified account @rootkovska Oct 30

    Joanna Rutkowska Retweeted Semmle

    I really wish macOS implemented something like @QubesOS' netvm(s) at some point... /cc @radian @XenoKovahhttps://twitter.com/SemmleInc/status/1057351261123739648 …

    Joanna Rutkowska added,

    Semmle @SemmleInc
    A video demonstrating the latest highly critical macOS & iOS security vulnerability CVE-2018-4407: https://www.youtube.com/watch?v=aV7yEemjexk … Here are the details: https://semmle.com/news/apple-xnu-kernel-icmp-nfs-vulnerabilities … #SemmleQL #variantanalysis
    4:43 PM - 30 Oct 2018
    • 15 Retweets
    • 70 Likes
    • Michał Marek Kenneth Durril vierito5 Per-Philip Sollin Rene Mayrhofer Andrew Burns John Sam ʃɐm Wilʃon ɥɔǝ⊥ ƃuᴉƃɹǝɯƎ ʇɔunɟǝp
    5 replies 15 retweets 70 likes
      1. Joanna Rutkowska‏Verified account @rootkovska Nov 10

        Joanna Rutkowska Retweeted MG

        I really wish macOS implemented something like @QubesOS' usbvm(s) at some point... /cc @radian @XenoKovahhttps://twitter.com/_MG_/status/949684949614907395 …

        Joanna Rutkowska added,

        1:02
        MG @_MG_
        BadUSB Cable #2. HID attack through an Apple MacBook USB-C charger. Great for shared workspaces! Build info coming this month. Still working out some things. These cables work on just about any device with a USB port (Mac/Win/Linux, phones too) pic.twitter.com/b6254FvpLY
        Show this thread
        1 reply 14 retweets 46 likes
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      1. New conversation
      2. Jann Horn‏ @tehjh Oct 30
        Replying to @rootkovska @QubesOS and

        would that actually help? wouldn't a netvm still be able to trigger this kind of attack surface in connected VMs?

        1 reply 0 retweets 0 likes
      3. Joanna Rutkowska‏Verified account @rootkovska Oct 30
        Replying to @tehjh @QubesOS and

        Even if -- I'd rather have my netvm exploiting a bunch of connected VMs, while still preserving those which are non-connected, or connected to other netvms (not to mention dom0/GUI), than having my whose system being pwnd/crashed. Don't you agree?

        1 reply 0 retweets 2 likes
      4. Jann Horn‏ @tehjh Oct 30
        Replying to @rootkovska @QubesOS and

        well - yeah, but that's only really useful if the user actually separates their data into multiple VMs already

        1 reply 0 retweets 0 likes
      5. Joanna Rutkowska‏Verified account @rootkovska Oct 30
        Replying to @tehjh @QubesOS and

        I agree it's tricky to make full use of netvms, while preserving seamless UX.

        1 reply 0 retweets 0 likes
      6. Joanna Rutkowska‏Verified account @rootkovska Oct 30
        Replying to @rootkovska @tehjh and

        But then again, if you're Apple you don't need to run full VMs -- rather you could containerize just parts of the stacks into VT containers, so no replication of attack vectors downstream.

        1 reply 2 retweets 4 likes
      7. Joanna Rutkowska‏Verified account @rootkovska Oct 30
        Replying to @rootkovska @tehjh and

        i.e. in the "VM" connected to your "netvm" you don't need to replicate the whole low-level networking stack which you have in your world-facing "netvm" (like 802.11, lower parts of TCP/IP).

        0 replies 0 retweets 0 likes
      8. End of conversation
      1. Igor Bukanov‏ @fpoling Nov 10
        Replying to @rootkovska @QubesOS and

        Netvm would not prevent attack to reach other network-connected VMs as those runs the same kernel.

        0 replies 0 retweets 0 likes
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      1. Mehdi Talbi‏ @abu_y0ussef Nov 10
        Replying to @rootkovska @QubesOS and

        They hired Rafal so maybe .... :-)

        0 replies 0 retweets 0 likes
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      1. Mads Bendixen‏ @MadsBen82 Oct 30
        Replying to @rootkovska @QubesOS and

        Regarding the T2 chip, I get an Intel ME feeling from it. Also, why only disconnect when lid is closed?

        0 replies 0 retweets 0 likes
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