Aug 20 (Thu) Japan's Nikkei 225 opened up 461.11 points (+0.71%) at 65,787.53; South Korea's KOSPI opened 3.2% higher.

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OpenAI said it will tighten safety processes for paying customers and has begun testing "private safety processing", a system designed to detect risk patterns across multiple interactions rather than individual prompts and replies. The move targets risks that emerge as AI handles longer-horizon, more autonomous tasks and is intended to guard against malicious users and attacks by misaligned AI agents while remaining compatible with zero-data-retention—customer content will not be accessible to OpenAI. The feature is expected to roll out in September, accompanied by a technical white paper; early tests are underway with Microsoft and Databricks.