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USSJoin's profile
Brendan O'Connor
Brendan O'Connor
Brendan O'Connor
@USSJoin

Brendan O'Connor

@USSJoin

Lawyer, but not yours. Security researcher, consultant, and policy person. Looking for new opportunities. Resume: http://ussjoin.com 

Joined June 2007
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    Brendan O'Connor ‏@USSJoin May 24

    In which Ken Thompson's exploit, which we always knew *could* happen in hardware, does. With one gate. Oh god. http://ieee-security.org/TC/SP2016/papers/0824a018.pdf …

    • Retweets 181
    • Likes 163
    • Edwina Weaver Arun K Austin Zheng Either(Wolf, Doge) Josh Mize computer programmer Yodlee Developer Smart Prototyping Kurt Arnlund
    4:42 PM - 24 May 2016
    0 replies 181 retweets 163 likes
      1. sighlongjmp ‏@whitequark May 26

        @USSJoin @silentbicycle that's not Ken Thompson's exploit.

        0 replies 0 retweets 3 likes
      2. View other replies
      3. Brendan O'Connor ‏@USSJoin May 26

        @whitequark The underlying concept of untrustable, unbootstrappable systems applies strongly to exploits that modify taped-out ICs.

        0 replies 0 retweets 0 likes
      1. Keeper of Lore ‏@munin May 24

        @USSJoin @jack_daniel As if I needed more despair today.

        0 replies 0 retweets 1 like
      2. Brendan O'Connor ‏@USSJoin May 24

        Brendan O'Connor Retweeted Brendan O'Connor

        @munin http://twitter.com/USSJoin/status/735259045192335360 … (It gets way way way worse)

        Brendan O'Connor added,

        Brendan O'Connor @USSJoin
        Remember, you can't detect this except destructively (cutting chip apart). If you can put it in 1/10 enemy chips.... http://twitter.com/USSJoin/status/735254756159954944 …
        0 replies 2 retweets 2 likes
      3. Keeper of Lore ‏@munin May 24

        @USSJoin Yeah, I saw that. #shudder

        0 replies 0 retweets 0 likes
      1. cupe ‏@cupe_cupe May 25

        @USSJoin @Zavie It's "just" a clever hardware backdoor, but it's not self-replicating into new hardware or anything. Not Thompson's Hack imo

        0 replies 0 retweets 4 likes
      2. Julien Guertault ‏@Zavie May 25

        @cupe_cupe @USSJoin: it's still a backdoor that is easy to implement and difficult to detect.

        0 replies 0 retweets 0 likes
      3. Brendan O'Connor ‏@USSJoin May 25

        @Zavie @cupe_cupe And it's the proof of concept.

        0 replies 0 retweets 0 likes
    1. Andrew Zonenberg ‏@azonenberg May 25

      @USSJoin @thegrugq Rowhammer weaponized: inter-gate signal leakage as a backdoor rather than a vuln. Very clever...

      0 replies 0 retweets 2 likes
    2. Ben ‏@bsdfm May 25

      @USSJoin @barrelshifter joke's on you, my day was already ruined

      0 replies 0 retweets 0 likes
    3. ParatrooperJJ ‏@ParatrooperJJ May 25

      @USSJoin Reminds me of the "bandit microcode" attack we did on the Soviets.

      0 replies 0 retweets 0 likes
    4. Ben Dodson ‏@bjdodson May 24

      @USSJoin @danfuzz #nsfw

      0 replies 0 retweets 0 likes

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