No matter how confusing it gets to refer to the same Russian hacker group by a handful of different names — Cozy Bear, Nobelium, APT29 and so on — don't expect the private companies behind those monikers to give them up anytime soon.
The big picture: Naming conventions for state-backed hacking groups vary from technical, advanced persistent threat (APT) group numbers to whimsical, animal-based names, making it difficult for people outside of cybersecurity research to understand which hackers do what.