# Content protection

Get ready to learn everything about content protection.

## [📄️Digital Rights Management (DRM) Systems](https://docs-preview.optiview.dolby.com/pr-860/theoplayer/knowledge-base/content-protection/drm-systems.md)

[Intellectual property theft has a huge economic impact. The digital media sector is one of its biggest victims with annual losses running into billions of dollars.](https://docs-preview.optiview.dolby.com/pr-860/theoplayer/knowledge-base/content-protection/drm-systems.md)

## [📄️AES-128 Encryption](https://docs-preview.optiview.dolby.com/pr-860/theoplayer/knowledge-base/content-protection/aes-128-encryption.md)

[The Apple HTTP Live Streaming (HLS) specification uses AES-128 encryption to provide content protection. The Advanced Encryption Standard (AES) is a specification for the encryption of electronic data established by the U.S. National Institute of Standards and Technology. In case of HLS with AES-128, individual media segments get encrypted with a 16-octet key. Most modern streaming servers have simple configuration options for enabling AES-128 on HLS streams.](https://docs-preview.optiview.dolby.com/pr-860/theoplayer/knowledge-base/content-protection/aes-128-encryption.md)