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Apple reveals ‘shocking evidence’ from ex-employee’s MacBook in OpenAI suit

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Why This Matters

Apple's recent legal filing reveals new evidence suggesting that ex-employee Chang Liu may have stolen and misused confidential trade secrets related to Apple’s engineering designs, raising concerns about corporate espionage and data security in the tech industry. This case underscores the importance of robust security measures and the potential risks associated with employee transitions to competitors or AI firms. The outcome could influence how tech companies protect sensitive information and handle legal disputes involving intellectual property.

Key Takeaways

Apple has filed a new document in its ongoing lawsuit against OpenAI as it continues to push for expedited discovery. In today’s filing, Apple says that it has new “shocking evidence” based on early forensic inspection of a laptop used by former engineer Chang Liu.

Apple first filed the lawsuit in July, accusing ex-employees of stealing trade secrets for the benefit of OpenAI. It moved for a preliminary injunction a few weeks later, while also asking the court to expedite discovery, including early document production and depositions of key OpenAI employees and executives. Apple again emphasized the need for expedited discovery last week. OpenAI has called for dismissal.

As covered before, Chang Liu is one of the parties named in Apple’s lawsuit. Liu was a senior system electrical engineer at Apple who left the company for OpenAI in January. The lawsuit alleges that Liu exploited a security bug to download confidential engineering files after leaving.

In today’s filing, Apple says that Liu’s lawyers recently handed over his MacBook that he used after leaving Apple. According to Apple, an “initial forensic analysis” of that MacBook revealed four things, quoted from Apple’s filing:

Mr. Liu not only downloaded a confidential Apple circuit schematic but also used it in his work at OpenAI;

Far from his unauthorized access to Apple’s third-party cloud storage being unknown to him, Mr. Liu and others at OpenAI were well-aware of that access;

Mr. Liu, upon learning of Apple’s internal investigation of him, sent instructions for destroying evidence to an OpenAI colleague who confirmed she would comply; and

Mr. Liu used a tool in his work at OpenAI that has the same name as an internal Apple engineering application used for Apple development work.

Apple alleges that Liu ran a simulation in March using the circuit schematic file in LTspice, an electrical engineering tool. In messages from around that time, Liu said his AI “agent” learned to run LTspice and review the results.

Apple argues that when trade secret information is fed into an AI agent or model that learns from it, that learning “may create irreversible and continually propagating uses of the trade secret.”

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