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emptywheel's profile
emptywheel
emptywheel
emptywheel
@emptywheel

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emptywheel

@emptywheel

Abundant tweets about civil liberties & national security. "Has a longer memory than an elephant & keeps more records than Jim Comey.” Legendary potty mouth.

Grand Rapids, MI
emptywheel.net
Joined August 2008

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    1. emptywheel‏ @emptywheel 23 Oct 2017
      Replying to @puellavulnerata

      I think they're bulk collecting at exit nodes. This the inclusion of so many in the DNC hack JAR. They're all RU facilities now!!!!

      2 replies 0 retweets 3 likes
    2. Robᵉʳᵗ Graham X🅂 Max‏ @ErrataRob 23 Oct 2017
      Replying to @emptywheel @puellavulnerata

      I've done bulk collection at Tor exits. While sometimes you can get lucky, it's not a big privacy invasion.

      2 replies 0 retweets 1 like
    3. emptywheel‏ @emptywheel 23 Oct 2017
      Replying to @ErrataRob @puellavulnerata

      What do you do with it then?

      1 reply 0 retweets 1 like
    4. emptywheel‏ @emptywheel 23 Oct 2017
      Replying to @emptywheel @ErrataRob @puellavulnerata

      And can you talk me through how NSA is doing it, then? Assume they're taking every node that FBI or a friendly doesn't run.

      1 reply 0 retweets 1 like
    5. Robᵉʳᵗ Graham X🅂 Max‏ @ErrataRob 23 Oct 2017
      Replying to @emptywheel @puellavulnerata

      1/ Well, @puellavulnerata would have a lot of insights I don't have, but I'll give the stuff I know about.

      1 reply 0 retweets 0 likes
    6. Robᵉʳᵗ Graham X🅂 Max‏ @ErrataRob 23 Oct 2017
      Replying to @ErrataRob @emptywheel @puellavulnerata

      2/ The bulk of their monitoring is just "connection" metadata: traffic from an exit node going to an IP address.

      1 reply 0 retweets 1 like
    7. Robᵉʳᵗ Graham X🅂 Max‏ @ErrataRob 23 Oct 2017
      Replying to @ErrataRob @emptywheel @puellavulnerata

      3/ They'll also have connection records going into an entrance node. They can then match up entrance with exit records.

      2 replies 0 retweets 1 like
    8. Robᵉʳᵗ Graham X🅂 Max‏ @ErrataRob 23 Oct 2017
      Replying to @ErrataRob @emptywheel @puellavulnerata

      4/ The match is never perfect, but when combined with other data, can be suggestive.

      1 reply 0 retweets 0 likes
    9. emptywheel‏ @emptywheel 23 Oct 2017
      Replying to @ErrataRob @puellavulnerata

      Same on VPNs or more?

      1 reply 0 retweets 0 likes
    10. Robᵉʳᵗ Graham X🅂 Max‏ @ErrataRob 23 Oct 2017
      Replying to @emptywheel @puellavulnerata

      Even more so on VPNs. Andrea will know more, but Tor distributes traffic across exit nodes, making it harder. VPNs don't.

      1 reply 0 retweets 0 likes
      emptywheel‏ @emptywheel 23 Oct 2017
      Replying to @ErrataRob @puellavulnerata

      Is targeting VPNs worth more than metadata?

      6:40 PM - 23 Oct 2017
      1 reply 0 retweets 0 likes
        1. New conversation
        2. Robᵉʳᵗ Graham X🅂 Max‏ @ErrataRob 23 Oct 2017
          Replying to @emptywheel @puellavulnerata

          I'm not sure I understand the question. All targeting VPNs gets you is metadata.

          1 reply 0 retweets 0 likes
        3. Robᵉʳᵗ Graham X🅂 Max‏ @ErrataRob 23 Oct 2017
          Replying to @ErrataRob @emptywheel @puellavulnerata

          Imagine i download a 1-gigabyte file via VPN from a terrorist website. They want metadata (when this happened, how much data was transfered)

          2 replies 0 retweets 0 likes
        4. emptywheel‏ @emptywheel 23 Oct 2017
          Replying to @ErrataRob @puellavulnerata

          OK, we agree. But there must be SOME content they're getting via Tor. That explains their great dark market successes of late?

          2 replies 0 retweets 0 likes
        5. Andreⓐ‏ @puellavulnerata 23 Oct 2017
          Replying to @emptywheel @ErrataRob

          Those have, *to public appearance*, been endpoint attacks. That doesn't rule out parallel construction to conceal the existence of a...

          1 reply 0 retweets 0 likes
        6. Andreⓐ‏ @puellavulnerata 23 Oct 2017
          Replying to @puellavulnerata @emptywheel @ErrataRob

          ...deanon attack, but it doesn't really support it either.

          2 replies 0 retweets 0 likes
        7. emptywheel‏ @emptywheel 23 Oct 2017
          Replying to @puellavulnerata @ErrataRob

          No. But I'm not the tech expert. I've now said, yes, they are using 702 v Tor in US, under guise of FII. How would they use it?

          1 reply 0 retweets 0 likes
        8. emptywheel‏ @emptywheel 23 Oct 2017
          Replying to @emptywheel @puellavulnerata @ErrataRob

          And where is the "upstream" collection point?

          2 replies 0 retweets 0 likes
        9. emptywheel‏ @emptywheel 23 Oct 2017
          Replying to @emptywheel @puellavulnerata @ErrataRob

          Also what do they get from VPNs and any Tor exit notes that want to play along as PRISM providers, but that's another issue.

          0 replies 1 retweet 0 likes
        10. End of conversation

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