How to Copy a Copyprotected CD: 8 Steps (with Pictures) - wikiHow
Tome Of Copy Protection: Jones, Bruce, Roathe, Lane: 9781387907274: Amazon.com: Books
Adventures in Copy Protection | PCjs Machines
How to protect file on USB from being copied? PDF copy protection, Copy protect PDF on USB drive and Hard Disk, USB Stick Content Copy Protection – PDF Protect-Software | VeryPDF Knowledge
243 Ultracopy Disk 1 | C64 Copy Protection
a2_4am@mastodon.social on Twitter: "Several Infocom games have off-disk copy protection — code wheels, table lookups — so naturally those had to be removed for Pitch Dark. All hail qkumba for the Z-code