RedFox
The company is most prominently known for its software AnyDVD , which can be used to bypass copy protection measures on optical media , including DVD and Blu-ray Disc media , as well as CloneCD , which is used to back up the contents of optical discs . 
<triplet> DVD <subj> optical media <obj> subclass of <triplet> Blu-ray Disc <subj> optical media <obj> subclass of