Advanced Access Content System (AACS) is part of the Blu-ray DRM and it's an advanced and complex cryptic DRM that works by encrypting the content on the disc using a combination of symmetric and asymmetric key cryptography. AACS was created by a consortium of companies known as the AACS Licensing Authority (AACS LA), which includes major players in the entertainment and tech industry, such as Sony, Disney, Warner Bros. Intel, Microsoft, Panasonic, IBM, and Toshiba. 

Cinavia is an watermarking and steganography system developed by Verance. In conjunction with the existing AACS DRM, the inclusion of Cinavia watermarking detection support became mandatory for all consumer Blu-ray Disc players in 2012.

High-bandwidth Digital Content Protection (HDCP) is a form of digital copy protection developed by Intel Corporation to prevent the copying of digital audio and video content as it travels across digital connections including HDMI.

 BD+ is an additional but optional component of the Blu-ray DRM. It was developed by Cryptography Research Inc. and is based on their concept of Self-Protecting Digital Content (SPDC). It is owned by BD+ Technologies LLC.

BD-ROM Mark is a serialization technology designed to protect against mass production piracy or the mass replication and sale of unauthorized copies of "pressed" Blu-ray Discs.