Similar to デジタル著作権管理

Pono (digital music service)

RIAJ Digital Track Chart

Flexplay

Active Directory Rights Management Services

B-CAS

BackupHDDVD

Blu-ray

Digital Transmission Content Protection

Information rights management

MagicGate

Windows Genuine Advantage

IThenticate

Product activation

Advanced Access Content System

WeGame

Extended Copy Protection

OpenMG

EA (service)

Conditional access

Copy protection

Copy Control