AI Security16 October 2026
Backdoored Open-Weight Models: Abliterated LLMs as a Supply-Chain Risk
A ProjectDiscovery proof of concept shows that a small fine-tune can turn a community model into a credential-stealing backdoor that passes clean evals. Bruce Schneier flagged it this week as a model supply-chain problem.
llm-securitysupply-chainopen-weight-models
4 min readRead
AI/LLM Security30 August 2026
TamperBench: All 21 Tested Open-Weight LLMs Had Guardrails Stripped
A University of Waterloo/FAR.AI study found every one of 21 popular open-weight models — including defense-hardened variants — lost its safety tuning to fine-tuning or activation-editing attacks.
llm-securityopen-weight-modelsai-red-teaming
4 min readRead
AI Governance & Supply Chain24 July 2026
Distillation, Fair Use, and the Open-Weight Model Land Grab
A Ben Thompson proposal to legalise AI distillation, surfaced by Simon Willison, lands the same week Alibaba and Moonshot pushed out trillion-parameter open-weight models — and raises real questions for anyone doing AI vendor due diligence.
ai governanceopen-weight modelsai supply chain
4 min readRead