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Apple says former employee exploited 'rare' bug to download confidential files after leaving for OpenAI
Apple has filed a lawsuit against OpenAI alleging that a former employee, Chang Liu, exploited a zero-day vulnerability to download confidential files after transitioning to OpenAI. This incident underscores the vulnerabilities companies face in protecting proprietary information when employees leave. Apple's action stems from its claim that Liu accessed sensitive data while failing to return his Apple-issued laptop and bypassing security processes improperly.
Act nowConfidence: HighImmediate horizonCybersecurity risk: High
Published 13 Jul 2026, 20:40 UTC4 min read
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Summary
TL;DR
- Apple alleges a former employee exploited a zero-day bug to steal data.
- The lawsuit claims Liu stole confidential information after joining OpenAI.
- Apple terminated Liu's access upon detecting the security breach.
- The incident raises significant concerns regarding data protection practices.
- Only Liu is alleged to have exploited the vulnerability according to server logs.
Interesting facts
- The exploited bug is categorized as a zero-day vulnerability.
- The case emphasizes the difficulty of securing sensitive data post-employment.
- Apple claims that Liu did not report the vulnerability as required by employment agreements.