Microsoft has invested billions of dollars in OpenAI. But for a brief time on Thursday, employees of the software company weren't allowed to use the startup's most famous product, ChatGPT, CNBC has learned. "Due to security and data concerns a number of AI tools are no longer available for employees to use," Microsoft said in an update on an internal website. CNBC also viewed a screenshot that sho
![Microsoft briefly restricted employee access to OpenAI's ChatGPT, citing security concerns](https://cdn-ak-scissors.b.st-hatena.com/image/square/001b543e9828521924dc849084ae18490e136ea3/height=288;version=1;width=512/https%3A%2F%2Fimage.cnbcfm.com%2Fapi%2Fv1%2Fimage%2F107329681-1699299153477-gettyimages-1778706504-js1_7904_hptwzcb1.jpeg%3Fv%3D1700153528%26w%3D1920%26h%3D1080)