Up to 390,000 personal information leaked on Yahoo! Japan IDs, wrongly overwriting other IDs

Your order may be misdelivered.

Engadget JP (Translation)
Engadget JP (Translation) , @Engadget_MT
2020年08月7日, 午後 07:41 in egmt
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This article is based on an article from the Japanese edition of Engadget and was created using the translation tool Deepl.


Yahoo Japan announced that some user's Yahoo! JAPAN ID registration information may have been inadvertently reflected in someone else's Yahoo! JAPAN ID registration information and viewed by other ID holders.

As a result, some of the ordered products and services of other ID holders may have been delivered to some of them, according to the announcement.

According to the announcement, from 14:06 on July 29 to 23:50 on August 4 (JST), some users who attempted to edit any of their ID registration information (name, address, phone number, etc.) did not reflect the changes in their own ID registration information, but instead mistakenly reflected them in someone else's ID registration information.

Also, during the above period, other ID registration information was inadvertently overwritten in some users' ID registration information after they purchased products, signed a contract, or viewed their ID registration information.

As a result, there is a possibility that the ID registration information is incorrect, and as a result, the products and services ordered by the user may not be delivered. In addition, if another ID holder made a purchase through the C to C service, the seller may not be able to send the product to the other ID holder and the seller's name, address, and phone number may have been viewed by some people.

The scale of the incidents indicates that up to 528,155 cases may have been incorrectly reflected in other ID registration information, and up to 387,460 cases of other IDs may have been mistakenly overwritten in ID registration information.

The information items that were reflected incorrectly are all of the name and address information, including phone numbers. It does not include email addresses, credit card information or financial institution account information, the company said.

Determination tools are provided

Yahoo Japan will provide a tool to determine if the registration information on your ID has been overwritten from August 7 onwards. The company has also set up a contact form to help with complaints such as "I didn't receive an item" or "I received another item".

Source: Yahoo! Japan


This article is based on an article from the Japanese edition of Engadget and was created using the translation tool Deepl. The Japanese edition of Engadget does not guarantee the accuracy or reliability of this article.

 
 
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