THE VIDEO SHELF · x86 hardware backdoors
DEF CON 26 - Christopher Domas - GOD MODE UNLOCKED Hardware Backdoors in redacted x86
Christopher Domas presents research at DEF CON 26 showing a hidden alternate instruction set and undocumented hardware backdoor in some x86 processors, found on a third-party CPU. He uses it to ask how feasible wider hardware backdoors are.
Why HN readers recommended it
HN regulars treat Domas as a favorite hacker and bring this talk up in any discussion of CPU backdoors, hidden instruction sets or processor security.
This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.
Video & recommendation details
- Creator / channel
- DEFCONConference
- Topic
- x86 hardware backdoors
- Format
- talk
- Level
- advanced
- HN recommenders in dataset
- 4
- HN mentions in dataset
- 10
- Recommendation years in dataset
- 2019–2026
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.
These links don't work for me, but the videos are on YT: - [VIDEO] - [LINK] And yes, they are spectacular.
daniel-thompson on Hacker News · 2021-08
In Compiling C Programs Into “Mov” Instructions (And Only “Mov” Instructions)I cannot wait for the accompanying Black Hat talk. Christopher Domas is one of my absolute favorite all-time hackers. He does such a fantastic job of explaining his work. Some of my favorite talks of his: - Psychological Warfare in Reverse Engineering [LINK] - The …
MattSteelblade on Hacker News · 2026-08
In Spaghettifying DRAMThis guy now works for intel: DEF CON 26 - Christopher Domas - GOD MODE UNLOCKED Hardware Backdoors in redacted x86 [VIDEO] This is one of many amazing videos this guy did before they hired him.
not1ofU on Hacker News · 2021-12
In Intel updates mysterious ‘software-defined silicon’ code in the Linux kernel
Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.