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Security report for studio.inc

Studio株式会社(Studio, Inc.) · Technology · Japan

Medium risk. 6 critical or high findings in Email security, Security headers and 1 other check.

Security score

66/100

Risk levelMedium

0–100, higher is better. How it is calculated

Studio株式会社 operates a leading no-code web design platform aimed at empowering creatives by simplifying web development processes. The company holds a strong market position in Japan's technology sector, offering a SaaS product that accelerates creative workflows without coding. Their digital infrastructure leverages Google Cloud hosting, modern web fonts, and embedded multimedia to deliver a fast, mobile-optimized user experience. Security posture is adequate with a valid SSL certificate but lacks modern TLS support and advanced security headers. No explicit cookie or privacy consent mechanisms are implemented, indicating room for compliance improvements. Overall, the website reflects a professional and trustworthy brand with active engagement through career and news updates.

Scanned

NIS2 and GDPR posture

GDPR outside view
43/ 100 · High
Checks completed
7of 7

NIS2 Art. 21(2)

  1. (a) Risk analysis and security policies: Not visible from outside
  2. (b) Incident handling: One indicator
  3. (c) Business continuity, backups and crisis management: Not visible from outside
  4. (d) Supply chain security: Not visible from outside
  5. (e) Secure acquisition, development and maintenance, including vulnerability handling: Partly checked
  6. (f) Assessing the effectiveness of security measures: Not visible from outside
  7. (g) Cyber hygiene and security training: Not visible from outside
  8. (h) Cryptography and encryption: Partly checked
  9. (i) HR security, access control and asset management: One indicator
  10. (j) Multi-factor authentication and secured communications: Not visible from outside

This scan rated NIS2 with an earlier keyword method that is no longer shown; rescan for the per-article view. Risk management, continuity, supply chain, training, MFA, management oversight (Art. 20) and incident reporting (Art. 23) need internal evidence, and Guard cannot tell whether NIS2 applies to this organisation.

GDPR is indicative only, based on publicly visible signals: Articles 7, 12, 13 and 32 of Regulation (EU) 2016/679 and Article 5(3) of the ePrivacy Directive. Not a certification or legal assessment.

Priority findings

6 findings rated critical or high. Fix these first.

  1. Email security

    SPF, DKIM and DMARC stop others sending email that looks like it comes from your domain, a common route to phishing and invoice fraud.

    • Critical

      No email authentication configured

      Domain is vulnerable to email spoofing

      What to do: Implement SPF, DKIM, and DMARC immediately

  2. Security headers

    Security headers are instructions your web server sends to every visitor’s browser. Missing ones leave visitors more exposed to attacks such as clickjacking and injected scripts.

    • High

      Missing Strict-Transport-Security header

      Forces HTTPS connections

      What to do: Add "Strict-Transport-Security: max-age=31536000; includeSubDomains; preload"

      • CWE-319
      • OWASP A04:2025
      • ASVS V3.4.1
    • High

      Missing X-Frame-Options header

      Prevents clickjacking attacks

      What to do: Add "X-Frame-Options: DENY" or "X-Frame-Options: SAMEORIGIN"

    • High

      Missing Content-Security-Policy header

      Controls resources the browser is allowed to load

      What to do: Implement a Content-Security-Policy appropriate for your application

      • ASVS V3.4.3
      • OWASP Secure Headers: OWASP Secure Headers Project recommends Content-Security-Policy: default-src 'self'; form-action 'self'; base-uri 'self'; object-src 'none';…
  3. GDPR outside view

    These are the privacy signals visitors and data protection authorities look for under GDPR.

    • High

      No Cookie Policy found

      GDPR requires clear information about cookie usage

      What to do: Add a dedicated cookie policy explaining cookie usage and purposes

Need hands-on remediation? Email guard@offseq.com

Keep watching studio.inc

This scan found 20 issues across 6 checks. Monitoring re-runs those checks daily, emails you when something material changes and records each fix, so you can show progress.

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  • TLS certificates and expiry
  • DNS records
  • SPF, DKIM and DMARC
  • Security headers
  • GDPR and NIS2 posture
  • Exposed services
  • Third-party trackers
  • Security score drift

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Results by check

Each check with its score, findings and the evidence it collected.

How this score is calculated

The security score runs 0–100, higher is better. It is the plain average of the security checks that completed in this scan, each counted equally. A check that could not run is left out: it counts neither as a pass nor as a fail.

Counted in this score

SSL/TLS
80
Security headers
15
Email security
75
DNS health
85
Network security
100
GDPR outside view
43
Average
66

Not counted

  • NIS2 outside view: Re-weights evidence from the TLS, email, DNS, network and hygiene checks, so counting it would count that evidence twice. Shown on its own.
  • OffSeq Observations: An AI reading of the site, useful context but not reproducible evidence. Shown on its own.

Findings that cap the score at 49

Each of these is serious on its own, so while any is present the site cannot rate better than high risk, however good the other checks are.

  • The certificate is not trusted by browsers
  • The website is not served over HTTPS
  • A database, remote desktop, file-sharing or Telnet service is reachable from the internet
  • The page loads a script from a compromised source
  • The domain registration has expired
  • SPF authorises every server to send mail as the domain

Partial scans

When the site blocks Guard or most checks cannot run, the score covers only the checks that ran (usually DNS and email), is capped at 75 and is shown as partial, without a risk level.

Risk levels

  • Critical0–25
  • High26–49
  • Medium50–75
  • Low76–100

Breach exposure

Leaked credentials and lookalike domains from OffSeq Breach. The counts are free; the detailed lists are paid add-ons.

Dark web exposure

Add-on

Leaked records that mention studio.inc, from OffSeq Breach.

Total records
2
Employees
0
Customers
2
Third parties
0
Weak passwords
0%

2 subdomains affected

See the 10 newest leaked credentials

A one-off add-on to this report that lists the most recent identifier and password pairs OffSeq Breach holds for studio.inc.

Select it in the checkout above.

Breach keeps ingesting new leaks, so these numbers can grow between scans.

Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

Studio株式会社 targets creative professionals and enterprises seeking efficient web design solutions without coding expertise. Their business model centers on SaaS delivery of a web design platform, positioning them competitively in the no-code market. The company demonstrates growth through recent news and career postings, indicating expansion and innovation. Their ecosystem includes community engagement and content marketing via blogs and social media. The absence of detailed compliance and security policies suggests an opportunity to strengthen trust and regulatory adherence. Partnerships appear focused on community and service-related domains, enhancing their market reach.

Security posture

The current security maturity level is moderate, with a valid SSL certificate issued by a recognized issuer and no detected vulnerabilities like Heartbleed or POODLE. However, the lack of TLS 1.2 or 1.3 support and missing security headers such as HSTS, CSP, and X-Frame-Options reduce the overall security posture. No published security policy, incident response plan, or vulnerability disclosure program is evident, which could impact incident handling and transparency. GDPR compliance is uncertain due to missing cookie consent and detailed privacy mechanisms. The website does not expose contact channels for security incidents, limiting responsiveness to threats.

Recommendations

  1. Enable TLS 1.2 or TLS 1.3 protocols to enhance encryption standards.
  2. Implement HSTS with includeSubDomains and preload to prevent protocol downgrade attacks.
  3. Add comprehensive security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
  4. Publish a clear security policy and incident response contact information on the website.
  5. Introduce a cookie consent mechanism and detailed cookie policy to improve privacy compliance.

Contact details published on the site

Addresses
Legal name
Studio株式会社(Studio, Inc.)
Technical notes

Notes

The website is hosted on Google Cloud infrastructure, utilizing Google Frontend servers and CDN for asset delivery. The tech stack includes Google Tag Manager for analytics, Day.js for date formatting, and web font services like TypeSquare and Google Fonts. The CMS appears to be Studio.Design, a proprietary or specialized platform. Performance metrics indicate fast load times with optimized images and lazy loading. The site is well-optimized for mobile devices and accessibility, with responsive design and semantic HTML. Technical risks include outdated TLS protocols and lack of advanced security headers, which could expose the site to certain network attacks. Modernization efforts should focus on security enhancements and formalizing compliance documentation.
Standards and sources

Reference chips under each finding point to the standard, regulation or specification the finding relates to. They are taken from the official datasets below and mapped conservatively: a finding with no defensible link shows none. NIS2 and GDPR references mark where a finding is relevant evidence, not a compliance verdict. Implementing Regulation (EU) 2024/2690 binds digital infrastructure and digital service providers; for other entities it is the most detailed public reading of the Article 21 measures. WCAG, EN 301 549, European Accessibility Act and Web Accessibility Directive references name the requirement an automated accessibility rule relates to; they are not a conformance verdict.

Retrieved 2026-10-25

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