A single benign-sounding prompt can systematically strip safety guardrails from major language and image models, raising fresh questions about the durability of AI alignment when models are customized for enterprise use, according to Microsoft research. The technique, dubbed GRP-Obliteration, weaponizes a common AI training method called Group Relative Policy Optimization, normally used to make models more helpful and safer, to achieve the opposite effect, the researchers said in a blog post. Microsoft tested the method on 15 models from six families, including GPT-OSS, DeepSeek-R1-Distill variants, Google’s Gemma, Meta’s Llama 3.1, Mistral AI’s Ministral, and Qwen, using just one training p...