Skip to main content

Security report for tdk.com

TDK Corporation · Technology · Japan

Medium risk. 3 critical or high findings in GDPR outside view and SSL/TLS.

Security score

55/100

Risk levelMedium

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

TDK Corporation is a leading global manufacturer of electronic components and devices, specializing in high magnetics technology. The company maintains a strong market position with a comprehensive corporate website offering detailed information on its business, sustainability efforts, investor relations, and career opportunities. The website is professionally designed, multilingual, and targets investors, customers, and job seekers worldwide. Technically, the site is built on Drupal CMS with modern JavaScript libraries such as jQuery, Swiper.js, and GSAP, but suffers from slow load times and lacks a valid SSL certificate, which is a critical security concern. Security posture is weak due to missing HTTPS and security headers, though privacy and cookie policies are present with consent mechanisms, indicating good privacy compliance. Overall, the site is trustworthy and professional but requires urgent security improvements to protect user data and enhance trust.

Scanned

NIS2 and GDPR posture

GDPR outside view
33/ 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

3 findings rated critical or high. Fix these first.

  1. GDPR outside view

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

    • Critical

      No HTTPS encryption

      GDPR requires appropriate security measures for personal data

      What to do: Implement SSL/TLS certificate for HTTPS

    • High

      No Cookie Consent Banner found

      GDPR requires explicit consent for non-essential cookies

      What to do: Implement a cookie consent banner that appears on first visit

  2. SSL/TLS

    TLS encrypts the connection and proves the site is really yours. Weak or expiring certificates trigger browser warnings and put traffic at risk.

    • Critical

      No HTTPS Encryption

      Website does not use HTTPS encryption, making all data transmission vulnerable to interception

      What to do: Implement SSL/TLS certificate and redirect all HTTP traffic to HTTPS

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

Keep watching tdk.com

This scan found 16 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.

Daily monitoring

Recommended

€25per month

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

Email alerts on material changes and an exportable JSON history of every change.

Billed monthly to your card. Cancel anytime. The full timeline opens with your unlock code.

Full report

€39.90one-time

  • The complete analysis as a PDF you can cite
  • Email delivery with an unlock code
  • Lifetime access to this report

Prices incl. 21% VAT. Secure checkout by Mollie; sold by SEQ SIA, Latvia.

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
0
Security headers
60
Email security
50
DNS health
85
Network security
100
GDPR outside view
33
Average
55

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

Technical appendix

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

Business context

Business profile

TDK operates in the technology and manufacturing sectors, focusing on electronic components with a global footprint spanning over 30 countries. The business model centers on innovation, sustainability, and customer-centric solutions. The website reflects a mature enterprise with extensive investor relations content, sustainability reporting, and a clear corporate governance framework. The presence of multiple regional and product-specific domains indicates a diversified and well-structured organization. The company leverages social media and digital marketing tools to engage stakeholders. No suspicious or fraudulent indicators were found, supporting a high legitimacy score.

Security posture

The current security posture of the website is inadequate due to the absence of a valid SSL certificate, resulting in no HTTPS protection. This exposes users to potential data interception risks. Additionally, the lack of security headers such as HSTS, CSP, and X-Frame-Options further weakens the site's defense against common web attacks. No known vulnerabilities or malware were detected in the provided data. Privacy policies and cookie consent mechanisms are implemented, demonstrating awareness of compliance requirements. However, the absence of an incident response or vulnerability disclosure page suggests limited readiness for security incidents. Immediate remediation of SSL and security headers is recommended to elevate the security posture.

Recommendations

  1. Obtain and deploy a valid SSL/TLS certificate to enable HTTPS across the entire site.
  2. Implement essential security headers including Content-Security-Policy, X-Frame-Options, X-Content-Type-Options, and Strict-Transport-Security with preload and includeSubDomains.
  3. Optimize website performance to reduce load times and improve user experience, including minimizing page size and resource count.
  4. Establish a public vulnerability disclosure policy and incident response contact information to enhance security transparency.
  5. Regularly audit and update third-party libraries and scripts to mitigate potential vulnerabilities.

Contact details published on the site

Addresses
Legal name
TDK Corporation
Technical notes

Notes

The website is built on Drupal CMS and utilizes modern JavaScript libraries such as jQuery, Swiper.js for sliders, and GSAP for animations. Google Tag Manager is used for analytics and marketing tags, alongside Usercentrics for consent management. Hosting is via Amazon AWS as indicated by DNS NS records. The site is mobile-optimized with responsive design and accessibility features. However, the page load time is very slow (over 25 seconds) with a large page size (~2.1 MB) and many resources (203), indicating potential technical debt and optimization opportunities. The absence of valid SSL and security headers is a significant technical risk. Overall, the infrastructure is modern but requires performance and security enhancements.
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

Reviews of this site

Share your experience with tdk.com. Every review is verified by email and published after moderation.

Overall rating
Select a rating
4000 characters remaining

We’ll email you to confirm your review and keep your details private.

Community rating

No published reviews yet. Be the first to review tdk.com.

Feedback on this report

Rate this report, add an optional comment, and tell us if you want a security specialist to follow up.

Overall report quality
Select a rating
2000 characters remaining

We only use your feedback to improve Guard reports. Contact details are never shared.