AACS encryption key controversy
= AACS encryption key controversy
{wiki=AACS_encryption_key_controversy}
The AACS (Advanced Access Content System) encryption key controversy emerged in the context of the protection of high-definition video formats, particularly HD DVD and Blu-ray discs. AACS is a digital rights management (DRM) technology used to restrict access to copyrighted materials, ensuring that users cannot easily make copies of the content.