Security snapshot
Across 3 seibundo WordPress sites indexed by TLDWP, compared to the all-WordPress average.
Grade A 0%
Grade B 0%
Grade C 0%
Grade D 33%
Grade F 67%
Fail the header check (F)67%vs 82.5% avg
Leak usernames33%vs 38.5% avg
Expose a sensitive file0%vs 1.8% avg
Use HTTPS100%vs 96.2% avg
What stands out
TLDWP currently associates 3 indexed WordPress sites with seibundo, equivalent to 0% of the current WordPress dataset.
The largest measured difference is header-grade F: 66.7% versus 82.5% overall (-15.8 percentage points).
Username enumeration is 33.3% vs 38.5% overall (-5.2 pp); HTTPS adoption is 100% vs 96.2% overall (+3.8 pp); Sensitive-file exposure is 0% vs 1.8% overall (-1.8 pp).
These are observational associations among sites where TLDWP detected seibundo, not evidence that the technology, provider, or domain attribute caused a security outcome. See the overall WordPress security baseline.
| Domain | Version | Exposures | Headers | Last Checked |
|---|---|---|---|---|
| s*i*u*d*-*h*n*o*h*.net | — | D | Aug 23, 2026 | |
| m*-*e*b*n*o.com | — | F | Aug 16, 2026 | |
| s*i*u*d*.c*.jp (WP 5.4.19) | — | F | Jul 24, 2026 |
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