Nintendo announced that the total number of 'Nintendo Network ID' that may have been illegally logged in was added to the initial '160,000' by 140,000 and '300,000'
In April 2020, it was revealed that illegal login damages frequently occurred with the '
Report on unauthorized login to 'Nintendo Network ID' and request for safe use of 'Nintendo Account'|Support Information|Nintendo
https://www.nintendo.co.jp/support/information/2020/0424.html
Nintendo Confirms Account Breach Much Larger Than Originally Reported-GameSpot
https://www.gamespot.com/articles/nintendo-confirms-account-breach-much-larger-than-/1100-6478181/
A Nintendo account is required to use Nintendo Switch, which is Nintendo's game console, and My Nintendo Store , the official online store. Users who started using Nintendo's online service from Nintendo Switch often created this Nintendo account, but users who were using Nintendo's online service on game machines such as Wii U and Nintendo 3DS, There are many cases where 'Nintendo Network ID' is used.
It was announced in early April 2020 that the Nintendo Network ID started to report unauthorized login damage , and then Nintendo announced that it had confirmed unauthorized login damage with approximately 160,000 accounts. According to Nintendo, the account information used for unauthorized login is that the attacker 'improperly obtained from a service other than our company'.
Nintendo announced that about 160,000 ``Nintendo Network ID'' was damaged by illegal login, caution users who have been using online services since the Wii U/Nintendo 3DS era-GIGAZINE
Regarding the unauthorized login damage reported in April 2020, Nintendo originally announced that the number of victims was 160,000, but it announced that 140,000 additional victims were victims of unauthorized login. In other words, the total number of accounts that were damaged by unauthorized login of Nintendo Network ID is about 300,000.
Nintendo said, “We posted a report on unauthorized login on April 24th, but as we continued to investigate after that, we have added additional Nintendo Network IDs that may have been unauthorizedly accessed. It was found that there were 140,000 accounts.We also reset the password for these 140,000 Nintendo Network IDs and the Nintendo accounts that were linked with them, and contact the customer separately. At the same time, we are taking additional security measures.'
In addition, “Of the Nintendo network IDs around the world that may have been illegally logged in, less than 1% of all Nintendo network IDs may have actually been fraudulent transactions through Nintendo accounts, We are still in the process of refunding our customers in each country, but we have already completed the refund processing for most of our customers.'' We have revealed that it is a small part of this, and that the victim has already been refunded.
After announcing the damage caused by unauthorized login, Nintendo abolished the function of logging in to a Nintendo account via the Nintendo Network ID as of April 24, 2020. He also announced that he would reset passwords for Nintendo Network IDs and Nintendo accounts that may have been illegally logged in.
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