Japanese Password - List Updated

Understanding Japanese Password Security Data breaches frequently expose lists of commonly used passwords, revealing critical insights into regional security habits. In Japan, these patterns often blend cultural references, linguistic structures, and simple keyboard patterns. 🔒 Common Patterns in Japanese Password Lists

In 2026, cybersecurity experts and recent data breaches have highlighted that while global favorites like "123456" still lead in Japan, unique local trends such as the use of flower names and keyboard patterns continue to expose users to risk. Japan's Most Common Passwords (2025–2026) japanese password list updated

Every 3 months – Change passwords for: Online banking (Japan Post Bank, Sony Bank), Apple ID/Google, email.
Every 6 months – Shopping (Rakuten, Amazon), social (Twitter Japan, Instagram).
Immediately after any breach – Check haveibeenpwned.com with your Japanese email address.

Brute-force attacks against Japanese user accounts (webmail, forums, FTP, SSH).
Credential stuffing using leaked Japanese databases.

Mandatory Complexity: Enforce a policy requiring Kanji or Katakana inputs (if supported) or passphrases, which are harder to dictionary attack.

MFA: Multi-Factor Authentication renders password lists useless, as the password alone is insufficient for entry.

✅ Tip: In your password manager, add a Notes field for: “Rakuten: no & or = allowed”, or “Myna PIN: 123456”. Every 3 months – Change passwords for: Online

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) social (Twitter Japan