Diving deeper into the GitHub Japanese wordlists , Kenji noticed "seasonal" security: Fuyu2016 (Winter), Haru2017 (Spring), and Aki12345 (Autumn) were peppered throughout the leak.
Longer "passphrases" are significantly harder to crack than short, complex passwords. 📍
The recent update to the Japanese password list (often used in penetration testing, password auditing, or credential stuffing simulations) shows a compared to previous versions. The list appears to be sourced from real data breaches, public leaks, and common password patterns observed among Japanese-speaking internet users. japanese password list updated
Older lists often miss modern slang or trending topics. An updated list typically incorporates:
Many users write Japanese words using the English alphabet. Passwords like sakura2024 or nihon123 appear thousands of times in the database. Reliance on Simple Number Strings Diving deeper into the GitHub Japanese wordlists ,
– (Cherry blossom) One of the most popular cultural terms used in passwords.
The Ultimate Guide to Japanese Password Security: Latest Common Wordlists & Protection Strategies The list appears to be sourced from real
This story is based on real-world trends from updated Japanese password lists in 2025 and 2026, which reveal how local culture and predictable habits continue to shape digital security in Japan. The Great List of 2025
| Rank | Password (romaji) | Japanese rationale | |------|------------------|---------------------| | 1 | asdfghjkl | JIS keyboard home row | | 2 | sakura123 | Cherry blossom + numbers | | 3 | tokyo2020 | Olympics, still lingering | | 4 | hoge123 | Placeholder term (like foo) | | 5 | tanaka | Common surname | | 6 | 19900101 | Heisei start date (older users) | | 7 | naruto | Anime | | 8 | passw0rd | Common but with zero | | 9 | 1qaz2wsx | Visual pattern on JIS | | 10 | kagura | Anime/manga character |