Nintendo has confirmed that it is currently investigating reports that have been published online regarding unauthorised logins on users Nintendo Accounts. As previously reported the company took to Twitter to tell users to use 2 factor authentication if they can, but nothing more was said. VGC contacted Nintendo UK and was told the following:
“We are aware of reports of unauthorized access to some Nintendo Accounts and we are investigating the situation. In the meantime, we recommend that users enable two-step verification for their Nintendo Account as instructed here.