Japanese Password List Updated [verified] Jun 2026

Character names from One Piece , Demon Slayer (Kimetsu no Yaiba), and classic Studio Ghibli films.

Use a random string of mixed-case letters, numbers and symbols. CISA (.gov) Strong Passwords

Passkeys are a passwordless authentication technology that uses your device's built-in biometric sensor (Face ID, fingerprint) or PIN to log in. They are cryptographically secure and highly resistant to phishing attacks. While adoption is still ongoing, enabling passkeys on services that support them is a significant step toward a more secure future. japanese password list updated

: There is a high prevalence of cultural terms and "base words" in Japanese passwords. : Flower names like (cherry blossom) and (sunflower) are common. : Personal names such as frequently appear in leaked lists. Pop Culture : References to anime and manga, such as , are notably present. Use of Dates

Implementation tip: Do not block every single entry (e.g., tokyo is too common as a substring). Instead, block exact matches and fuzzy variants (leetspeak, reversed). Character names from One Piece , Demon Slayer

If you are a system administrator or an individual verifying if your credentials appear on an updated regional password list, follow these standard security practices:

: Read as "samishii yo" (I'm lonely), a remnant of pager-era slang. They are cryptographically secure and highly resistant to

Allow users to input their preferences for password generation, such as:

Updated lists show a sharp rise in credentials tied to globally dominant Japanese media franchises. Passwords incorporating characters, terms, or release dates from trending anime, gaming franchises, and virtual idol groups frequently appear in recent credential dumps. Why Updated Lists Matter to Organizations

Threat actors use these specialized lists in credential stuffing campaigns, knowing that local users are statistically more likely to use Romaji or Goroawase phrases.

Do not rely solely on global dictionaries. Integrate updated Japanese-specific wordlists into your registration validation systems. Reject entries containing common Romaji words, Goroawase sequences (like 4649), and prominent local brand names. Enforce Multi-Factor Authentication (MFA)