noun
copy protection technology; anticopying technology
Technical term for technologies that prevent unauthorized duplication of digital or physical media.
このDVDには複製防止技術が使われている。
This DVD uses copy protection technology.
More casual, often used for simple copy protection measures, while 複製防止技術 is a formal technical term.
Compound of 複製 (copy, reproduction), 防止 (prevention), and 技術 (technology).