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Doppel’s AI defense system stops attacks before they spread

Openai

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.

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Blogs · Openai · Publisher website: openai.com · Last verified 30 October 2026 · Catalog ID 127842

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