ChatGPT use is increasing exponentially among enterprise users, who are using it to help with the writing process, to explore new topics, and to write code. But, users need to be careful about what information they submit to ChatGPT, because ChatGPT does not guarantee data security or confidentiality. Users should avoid submitting any sensitive information, including proprietary source code, passwords and keys, intellectual property, or regulated data. This blog post explores how well enterprise users are following this guidance.