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Communications of the ACM

Legally speaking

Apple's Challenge to Virtualization Software

colored cards with Apple logo, illustration

Credit: Alicia Kubista / Andrij Borys Associates

Corellium makes a Software product, CORESEC, which enables security researchers to create virtualized versions of Apple's iOS to study that code's functionalities and possible vulnerabilities. In mid-2018, Apple executives were sufficiently impressed with CORSEC that Apple offered to buy the company. Corellium declined that offer. A year later, however, Apple sued Corellium for copyright infringement because its product makes copies of iOS software in the course of interacting with the iOS when Corellium's customers use CORSEC to study the iOS.

In December 2020, Corellium persuaded a federal trial court judge in Florida that it had made fair uses of the Apple software. Apple has appealed the fair-use ruling.


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