OpenAI ensures data security used by ChatGPT through the following ways:
1. Data Encryption: All data transmitted and stored are encrypted to prevent unauthorized access.
2. Data Usage: OpenAI does not use the personal conversations people have with ChatGPT for improving model training.
3. Data Retention: As of March 2022, OpenAI retains data sent via the API for 30 days. However, this policy may change over time.
4. Data Control: Users can request that their data be deleted and no longer used by OpenAI.
Additionally, OpenAI complies with all relevant legislations and regulations in relation to data privacy and security. They have implemented technical and organizational measures to ensure the ongoing confidentiality, integrity, availability, and resilience of all their systems. It is always advisable to review their data usage policy to understand how they handle and protect your data.