#copyprotection

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Defeating a 40-year-old copy protection dongle – Dmitry Brant

https://dmitrybrant.com/2026/02/01/defeating-a-40-year-old-copy-protection-dongle
That’s right — this little device is what stood between me and the ability to run an even older piece of software that I recently unearthed during an expedition of software archaeology. For a bit more background, I was recently involved in helping a friend’s accounting firm to move away from using an extremely legacy software package that they had locked themselves into using for the last four decades.