"The principles we agree with, but any legislation is a product of compromise, and so as as they get more prescriptive, then it becomes challenging."
Still, despite the challenges, the broad expectation among experts is that it won't be long until banks and other financial institutions achieve compliance.
"Banks in Europe already comply with significant regulations which cover the majority of the areas that fall under DORA," Fabio Colombo, EMEA financial services security lead at Accenture, told CNBC.