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Apple

Disclosed Jul 10, 20262 months agoUnverified

Apple says engineer used zero-day to take confidential files after joining OpenAI

In a trade secrets lawsuit against OpenAI, Apple alleged that former system electrical engineer Chang Liu exploited a previously unknown authentication bug weeks after leaving for OpenAI to download confidential files from Apple's shared network folders; Apple said it fixed the bug and cut his access.

What is known

People affectedNot stated in the sources we have
DisclosedJul 10, 2026
AttackInsider
Data exposedInternal documents
SectorTech · US
StatusUnverified: not yet confirmed by an official notice, a filing or the organization
Lawsuit or fineApple v. OpenAI trade secrets lawsuit (filed July 2026)

Sources

Notices filed

WhereFiledPeople
ResearchtotalJul 10
ResearchtotalJul 13
History of this record
  • 2026-09-25 · lawsuit: Apple civil lawsuit in N.D. California (2026) to Apple v. OpenAI trade secrets lawsuit (filed July 2026) · seed source
  • 2026-09-25 · disclosed: 2026-07-13 to 2026-07-10 · seed source
  • 2026-09-25 · summary: Apple alleged in a federal lawsuit that a former hardware engineer exploited an authentication zero-day and a colleague's credentials to download dozens of confidential hardware files weeks after leaving for OpenAI in February 2026. to In a trade secrets lawsuit against OpenAI, Apple alleged that former system electrical engineer Chang Liu exploited a previously unknown authentication bug weeks after leaving for OpenAI to download confidential files from Apple's shared ne · seed source
  • 2026-09-25 · title: Apple sues ex-engineer who used zero-day to download files after joining OpenAI to Apple says engineer used zero-day to take confidential files after joining OpenAI · seed source
  • 2026-09-25 · added · seed source

First seen 2026-09-25 (Research). Record counts are as reported. Not legal advice.

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