AdvertisementSKIP ADVERTISEMENTYou have a preview view of this article while we are checking your access. When we have confirmed access, the full article content will load.A security breach at the maker of ChatGPT last year revealed internal discussions among researchers and other employees, but not the code behind OpenAI’s systems.OpenAI’s offices in San Francisco, where executives told employees in April 2023 about a hack of the company’s messaging system.Credit...Jason Henry for The New York ...