Japanese passwords show greater dispersion (variety) than English or Chinese lists, but still fail due to the high frequency of these common cultural markers. Springer Nature Link Password List Resources (Updated)
– Often the #1 password in Japan, favored for its perceived (but false) safety due to length. japanese password list updated
Use a random string of mixed-case letters, numbers and symbols. CISA (.gov) Strong Passwords japanese password list updated
If you are concerned that your password might appear on a common Japanese password list, follow these steps immediately. Use a Passphrase japanese password list updated