The Copyright Defense Act was voted into law shortly after the start of the Cyberpunk Age. When the Engineers cracked the security on the HomeWorld AI and Ultima Corporation stocks started to suffer, ULP law enforcement found itself inundated with request to confiscate illegal buildings and arrest people doing the conversions. The CDA in its first draft was honest enough in principle it allowed copyright holders to fund certified Law enforcement personal to handle crimes involving their IP.
Once Ultima legal was done with it on the other hand. It enabled copyright holders to legally have private army's and use them if proof of IP theft was shown. Once the Act was vote into law Ultima Security was converted into Ultima Corps. The first deployment of them has gone done in history as Black Phriday