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THE VIDEO SHELF · bit flips and dns security

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

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.

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Why HN readers recommended it

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

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel
Christiaan008
Topic
bit flips and dns security
Format
talk
Level
intermediate
HN recommenders in dataset
2
HN mentions in dataset
10
Recommendation years in dataset
2016–2024

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

  • I'm sure all of you who love debating ECC will enjoy this defcon video: [VIDEO] "DEFCON 19: Bit-squatting: DNS Hijacking Without Exploitation (w speaker)"

    auganov on Hacker News · 2017-05
    In Intel Announces Skylake-X: Bringing 18-Core HCC Silicon to Consumers

  • There was a good Defcon talk about some security implications of this phenomenon (specifically, DNS squatting) around a decade ago: [VIDEO]

    sithadmin on Hacker News · 2021-09
    In Cosmic Rays Flipping Bits

Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.

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