株式会社丸善

Security grade: F20/100
Feedback grade: None yet
Known breaches: 0
Network: AS4694IDCF - IDC Frontier Inc., JP · website hosted here
Last checked: 14 Nov 2026, 13:30 CET

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At a glance

株式会社丸善 (maru-zen.com) scored grade F (20 of 100 points) in the public Trayyce security check on 14/11/2026. It has been below grade B since the check on 14/11/2026.

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History
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Below grade B: important safeguards are missing

According to our checks this website has been below grade B since 14/11/2026, last checked on 14/11/2026, currently grade F. The report lists the missing safeguards.

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Reviews

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The feedback grade comes from reviews submitted on Trayyce and confirmed by e-mail, from three reviews on: A+ from an average of 4.8 stars, A from 4.5, B from 4.0, C from 3.5, D from 3.0, E from 2.0, below that F. We do not verify whether someone was a customer. Reviews on Google, Trustpilot or ProvenExpert are shown separately in the profile and are not included. In the default order the feedback grade does not change the rank.

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Is this provider a good fit?

Specialities as described by the provider. Check scope and terms on their website.

Security check

20/100

Grade F · 14 Nov 2026, 13:30 CET

View measurement and findings

This measures the website configuration, not client project quality or support.

The position in the ranking follows only this grade in the default order. Reviews, claiming and projects appear in the profile and do not change it there. Sorting by feedback gives a separate order.

Many of the missing protections are a single line in the server configuration and quick to add. That alone does not prove a vulnerability. It does show how much attention the operator pays to the topic. What you conclude from that is up to you.

The grade measures only the website configuration at the time of the check. Large providers like Google have huge teams and sometimes must support old devices – grades of different providers are therefore not directly comparable. What missing protection can mean

Known data breaches

Verified incidents in the Have I Been Pwned catalogue for maru-zen.com.

Catalogue checked: 15 Nov 2026, 07:22 CET

Zero is not evidence that a breach has never occurred. Other brand or group domains are not included. The website rating is independent of this count.

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