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DEFCON 19: Bit-squatting: DNS Hijacking Without Exploitation (w speaker)

Christiaan008 · talk · Watch on YouTube

Security & hackingNetworking & internet infrastructure

What it is

Artem Dinaburg's DEF CON 19 talk on bit-squatting, where flipped bits in DRAM cause devices to contact domains that differ by one bit from legitimate ones. He shows how registering such domains can hijack traffic without exploiting any software bug.

Why Hacker News recommends it

HN cites it in ECC memory debates and bit-flip discussions as concrete evidence that memory errors have real security consequences.

  • 2 people recommended it
  • 2 different months
  • 0 strong recommendations
  • first 2016, last 2024

What HN commenters said

  1. “I'm sure all of you who love debating ECC will enjoy this defcon video”

    DEFCON talk relevant to ECC debates

    auganov, 2017-05 · Recommendation · in “Intel Announces Skylake-X: Bringing 18-Core HCC Silicon to Consumers”

  2. “There was a good Defcon talk about some security implications of this phenomenon”

    Good DEFCON talk on security implications of bit flips

    sithadmin, 2021-09 · Recommendation · in “Cosmic Rays Flipping Bits”

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

Topics: bitsquatting, ecc memory, defcon, dns, hardware faults

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