Most of the nation’s companies are struggling to find a way to securely store My Number — the new 12-digit social security key that will be used to access everyone’s income tax and bank account information starting next year.

The search for security is making life especially difficult for small and midsize firms, which account for about 99 percent of all companies in Japan.

Unable to view this article?

This could be due to a conflict with your ad-blocking or security software.

Please add japantimes.co.jp and piano.io to your list of allowed sites.

If this does not resolve the issue or you are unable to add the domains to your allowlist, please see out this support page.

We humbly apologize for the inconvenience.

In a time of both misinformation and too much information, quality journalism is more crucial than ever.
By subscribing, you can help us get the story right.