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DEF CON 19 - Artem Dinaburg - Bit-squatting: DNS Hijacking Without Exploitation

DEFCONConference · talk · Watch on YouTube

Security & hackingNetworking & internet infrastructureComputer architecture & CPUs

What it is

Artem Dinaburg's DEF CON 19 talk on bit-squatting, where DRAM bit flips cause DNS requests to go to domains one bit off from the intended one. It shows how hardware faults can be exploited for hijacking without any software exploit.

Why Hacker News recommends it

Recommended as a fun, practical talk on why bit flips matter for security, and cited in ECC memory discussions.

  • 2 people recommended it
  • 2 different months
  • 1 strong recommendations
  • first 2018, last 2023

What HN commenters said

  1. “A really fun DefCon talk on bitsquatting.”

    Fun DefCon talk on registering domains one bit off.

    hayst4ck, 2022-09 · Strong recommendation · in “iPhone app receives notification for another app”

  2. “the talk on Bitsquatting from Artem Dinaburg during Defcon 19 is worth watching.”

    Bitsquatting talk with bit-flip discussion starting at 15:05.

    btschaegg, 2018-08 · Recommendation · in “1/0 = 0”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: bitsquatting, dns, ecc memory, dram, def con

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