PC Floppy Copy Protection: Softguard Superlok

This is part 2 of a series on PC floppy copy protection methods. You can read Part 1, covering Formaster Copy-Lock here . Softguard Systems was founded by Joseph Diodati, Paul Sachse and Ken Williams in 1983 ¹ . The company went public in 1984, and by 1985 was one of the industry leaders in copy protection technology, although they produced a few other unrelated products as well. Advertisements…