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Source: OpenAI News
📅 13 September 2026 at 04:31 PM UTC
Doppel’s AI defense system stops attacks before they spread
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⚡ Executive Takeaways & Intelligence Summary
Doppel uses GPT-5 and reinforcement fine-tuning to stop deepfake and impersonation attacks, cutting analyst workloads by 80% and reducing response times from hours to minutes.
Publication Reference: https://openai.com/index/doppel
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