Japanese users also show a strong tendency to incorporate personal information into their passwords. The presence of "yamamoto2580" (a surname followed by numbers) and "Kanazawa2" (a city name with a number) demonstrates a reliance on culturally specific references that are surprisingly easy for attackers to guess using tailored Japanese dictionaries.
– Extremely frequent in corporate and personal settings.
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You can protect your accounts by making your passwords much harder to guess. Follow these simple rules to stay safe. Use at least 12 characters.
In cybersecurity contexts, a “Japanese password list” usually refers to a curated set of commonly used passwords observed among Japanese-speaking users, or passwords that follow patterns typical for Japanese audiences (e.g., using romaji, common Japanese words, names, dates in Japanese format, or keyboard walks on a Japanese layout). An “updated” list implies it includes recent breaches or survey data (e.g., from 2023–2026). Japanese users also show a strong tendency to
What or directory service your organization uses?
| Metric | Rating | Notes | |--------|--------|-------| | | ✅ High | Includes 2025–2026 breaches | | Accuracy | ✅ Good | Verified with known plaintext dumps | | Noise (invalid entries) | ⚠️ Moderate | ~4% are not actual passwords (e.g., placeholders, encoded data) | | Documentation | ❌ Poor | No clear source or versioning log included | If you delete all of your shared links,
: Words like sakura (cherry blossom), himawari (sunflower), and seasonal terms like haru (spring) or natsu (summer) are extremely common.
Recent empirical studies of nearly 49 million leaked Japanese passwords highlights several unique behaviors: Springer Nature Link Keyboard-Walk Dominance : Japanese users are particularly fond of patterns like