Is There a Tool to Attribute Soothing Attacks?

An organization dealt with a lot of attacks that have ended up being instigated by very sophisticated nation state level threat actors. Do you think having that kind of wider visibility helps you attribute them to that level of sophistication? Or how are you able to kind of have that visibility and understanding? So attribution is very hard, especially tooling, but today are very advanced, make it even harder because it might be just that the tool is very advanced.