This includes your bank account and card numbers, passwords or PINs to any of your banking accounts, and government ID or Social Security numbers. Full bank statements, tax returns or loan documents are also dangerous to share with AI chatbots like ChatGPT since they bundle your name, address, employer and account details.
Article source: https://www.huffingtonpost.co.uk/entry/finance-info-never-share-ai_uk_6aeb9f0ee4b0dcee62e27d78