In a lawsuit filed against OpenAI, Apple claims that a former employee, Liu, left the company with a MacBook, internal information from an Apple employee, and knowledge of a software bug that allowed him access to internal file servers. This incident is part of a broader pattern that Apple alleges demonstrates OpenAI's systematic efforts to acquire and utilize its confidential information. The lawsuit details how OpenAI allegedly encouraged Apple employees to study confidential materials before interviews and to bring hardware components to OpenAI's offices. The situation escalated when Tang Tan, a former Apple executive who oversaw the design of key products, left Apple for a position at OpenAI, raising concerns about the transfer of proprietary information. Apple claims that Tan orchestrated efforts to gather confidential information during interviews and that employees were encouraged to send sensitive information to personal email accounts before resigning. OpenAI has denied these allegations, stating that it has no interest in other companies' trade secrets and is focused on building innovative technology. The lawsuit highlights the competitive tension between the two companies, particularly as OpenAI continues to grow its hardware division and recruit talent from Apple.