Nintendo said that about 160,000 Nintendo network ID accounts have been accessed without user authorization.
After Switch users notified Nintendo of unauthorized activity on their accounts, the company investigated the issue and found that approximately 160,000 accounts may have been damaged by easily accessible personal information.
According to Nintendo, the information available through unauthorized access includes the user ’s name, date of birth, gender, country or region, and email address. The company said that there is currently no evidence that there is a violation of the company's database, server or service.
In order to combat a large number of unauthorized visits, Nintendo is investigating it, Stop using the function of Nintendo Network ID Log in to a Nintendo account. All other login options for Nintendo accounts are still available.
The following notice was issued by Nintendo UK:
While continuing to investigate, we hope to assure users that there is currently no evidence that someone violated Nintendo's database, server or service. As part of our ongoing investigation, we will stop using the Nintendo Network ID to log in to Nintendo accounts. All other options for logging into your Nintendo account are still avail able.
As a further precaution, we will contact the user as soon as possible to reset the password of the Nintendo Network ID and Nintendo account that we have reason to believe to have unauthorized access.
In addition, we continue to strongly encourage users to follow the instructions here to enable two-step verification for their Nintendo accounts: how to set up two-step verification for Nintendo accounts.
If any users are aware of unauthorized activities, we encourage them to take the steps outlined in the article about the Nintendo account recovery process.
During the investigation, in order to prevent further attempts to make unauthorized logins, we will not disclose more information about the methods used to obtain unauthorized access.
We apologize for the inconvenience and worry caused to customers, and we will continue to work hard to maintain the security of user data.
Switch owners surfaced earlier this week, claiming that their Nintendo account has been accessed. Some unauthorized purchases were reported.
To protect your account, please enable 2-step verification, if you find any unauthorized activity, please follow the steps outlined here, or contact Nintendo for general support.