section_path: Features and limitations/Limitations/Cybersecurity
section_name: Cybersecurity
paragraph_text: Cybersecurity
  
  In March 2023, a bug allowed some users to see the titles of other users' conversations. OpenAI CEO Sam Altman said that users were unable to see the contents of the conversations. Shortly after the bug was fixed, users could not see their conversation history. Later reports showed the bug was much more severe than initially believed, with OpenAI reporting that it had leaked users' "first and last name, email address, payment address, the last four digits (only) of a credit card number, and credit card expiration date".
  
  Research conducted in 2023 revealed weaknesses of ChatGPT that made it vulnerable to cyberattacks. A study presented example attacks on ChatGPT, including jailbreaks and reverse psychology.