Doppel’s AI defense system stops attacks before they spread

OpenAI Blog · 8 months ago

Doppel developed an AI defense system using GPT-5 and reinforcement fine-tuning to identify and block deepfake and impersonation attacks. The system reduces analyst workload by 80% and cuts response times from hours to minutes. Organizations can now contain attacks faster, reducing the window for spreading misinformation or fraudulent content.