copy protection

Anti-duplication security measures

Copy protection refers to technical measures that prevent unauthorized duplication of digital media—software, music, films, video games.

Methods range from encryption to hardware dongles to online authentication.

The term often carries a slightly negative connotation, suggesting inconvenience to legitimate users: The copy protection on this game requires an internet connection even for single-player mode.

mechanisms

DRM

Digital content restriction technology

product key · license key · dongle · region lock · digital signature · authentication · obfuscation · scrambling · tamper-proof · fingerprinting

media

CD key

Software activation code

  • SteamDigital game distribution service
  • HDCPAbbreviated skill adjustment
  • CSSWeb presentation language

rootkit

circumvention

crack

Narrow break or attempt

counterfeit · bypass · patch · warez · torrent · ripping · jailbreak · emulator · circumvention

legal

license

Formal grant of permission

trademark · fair use · infringement · piracy · royalty · proprietary · usage rights · compliance · DMCA · terms of service

Categories
Opposites
access restriction

copy protectionpublic domain

Unprotected creative works

open access · copyable · unprotected · unlocked · unencrypted

ownership philosophy

copy protectionopen source

Publicly accessible code

copyleft · Creative Commons · free software · freeware · shareware

Family

copy, protect, protection, protected, protective, protector, protecting, copier, copyright

Familiarity
Top 200,000
Profile
Used worldwide · Timeless · Rated G