Backdoor Articles

Page 1 of 1 (4 articles)

4/23/2026 • EN

A pelican for GPT-5.5 via the semi-official Codex backdoor API

GPT-5.5 is released via Codex; a new LLM plugin uses the semi-official backdoor API to access it through OpenAI subscriptions.

api Backdoor Codex Gpt 55 Openai

Simon Willison

4/2/2024 • EN

Timeline of the xz open source attack

A detailed timeline of the multi-year social engineering attack that led to a backdoor in the xz compression library, a major open source supply chain incident.

Backdoor Liblzma open source ssh Supply Chain Security

Russ Cox

10/26/2023 • EN

Running the “Reflections on Trusting Trust” Compiler

Running Ken Thompson's backdoored compiler from his classic 1983 Turing Award lecture 'Reflections on Trusting Trust' to demonstrate supply chain security risks.

Backdoor Compiler Security Quine Supply Chain Trusting Trust

Russ Cox