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Security report for zeiss.co.kr

ZEISS · Technology · South Korea

Medium risk. 6 critical or high findings in Email security, Security headers and 2 other checks.

Security score

67/100

Risk levelMedium

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

ZEISS Korea is a regional branch of the global technology leader Carl Zeiss AG, specializing in optics and optoelectronics. The website presents a comprehensive portfolio including vision care, medical technology, semiconductor manufacturing, microscopy, photography, hunting, simulation projection, spectroscopy, and digital solutions. The site targets both individual consumers and corporate clients in South Korea, reflecting a mature and professional business model with a strong market position. Technically, the site is built on Adobe Experience Manager, uses modern web technologies, and is well optimized for mobile and SEO. Security posture is adequate but could be improved by adding explicit security headers and policies. The absence of WHOIS data for the domain is a concern but does not detract from the overall legitimacy indicated by the content and branding. Privacy compliance is basic, with no visible privacy or cookie policies on the main page. Contact information is provided via a dedicated contact page but lacks direct emails or phone numbers on the homepage. Overall, the website is professional, trustworthy, and well designed, suitable for its corporate audience.

Scanned

This is an earlier scan of zeiss.co.kr. View the latest report

NIS2 and GDPR posture

GDPR outside view
68/ 100 · Medium
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

    • High

      No SPF record found

      SPF helps prevent email spoofing

      What to do: Add SPF record: "v=spf1 include:_spf.yourmailprovider.com ~all"

  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 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 Consent Banner found

      GDPR requires explicit consent for non-essential cookies

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

  4. 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.

    • High

      Weak Protocols Supported

      Server supports weak protocols: TLSv1.1

      What to do: Disable TLS 1.0, TLS 1.1, and all SSL versions

      • CWE-327
      • OWASP A04:2025
      • ASVS V12.1.1

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

Keep watching zeiss.co.kr

This scan found 22 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.

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Full report

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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
62
Security headers
55
Email security
40
DNS health
75
Network security
100
GDPR outside view
68
Average
67

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

ZEISS Korea operates in multiple high-tech sectors including healthcare, manufacturing, and technology. Its business model combines B2B and B2C approaches, offering specialized products and solutions. The company benefits from the strong global brand of Carl Zeiss AG and maintains a significant presence in South Korea with multiple offices and innovation centers. The website reflects a strategic focus on advanced optics and digital innovation, supporting industries such as semiconductors and medical devices. The partnership ecosystem is global, with multiple regional ZEISS sites linked. Growth indicators include active newsrooms and event participation. The company emphasizes corporate social responsibility and technical excellence.

Security posture

The website uses HTTPS and modern tracking tools like Google Tag Manager and Adobe Helix RUM. However, no explicit security headers were detected in the provided data, and there is no visible security or incident response policy. No vulnerabilities or exposed sensitive data were found. The lack of a security.txt or vulnerability disclosure page suggests room for improvement in transparency and incident readiness. Privacy compliance is minimal, with no cookie consent banner detected. Overall, the security maturity is moderate but could be enhanced by adopting best practices in headers, policies, and user consent.

Recommendations

  1. Implement and publish a comprehensive privacy policy and cookie consent mechanism to improve GDPR compliance.
  2. Add security headers such as Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security to enhance protection.
  3. Create and maintain a vulnerability disclosure policy and security.txt file to improve transparency and incident response.
  4. Provide direct contact information for security incidents and data protection officer details.
  5. Regularly audit third-party scripts and tracking tools to minimize security risks and improve user privacy.

Contact details published on the site

Addresses
Legal name
Carl Zeiss AG (implied parent)
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
ZEISS
Description
ZEISS는 광학 및 광전자 산업을 선도하는 세계적인 기술 기업입니다.
Key services
비전 케어, 의료 공학, 반도체 제조기기, 산업용 품질 솔루션, 현미경 솔루션, 사진 및 영화 촬영, 수렵 및 자연 관찰, 시뮬레이션 프로젝션 솔루션, 분광학 및 OEM 솔루션, 디지털 솔루션
Content quality
excellent
Branding
consistent

Technology

Stack
Adobe Helix RUM, Google Tag Manager, SVG icons, Lazy loading images, JavaScript modules
Frameworks
Adobe Experience Manager (AEM)
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
75/100
Good practices seen
  • HTTPS usage implied by URL
  • No exposed sensitive data found in HTML
  • Use of Google Tag Manager for analytics

Analytics and tracking

Services
Google Tag Manager, Adobe Helix RUM
Tracking level
moderate
Privacy practices
basic

Advertising

Marketing tools
Adobe Helix RUM
Transparency
basic

Site quality

Design
excellent
User experience
excellent
Content relevance
excellent
Navigation
excellent
Professionalism
excellent
Trustworthiness
high

Key observations

  1. Website is fully accessible with rich content in Korean language
  2. Strong corporate branding consistent with ZEISS global presence
  3. Multiple product and service segments clearly presented
  4. No direct contact emails or phone numbers found on main page; contact via dedicated contact page
  5. No explicit privacy, cookie, or terms of service pages detected in main HTML content
  6. Use of modern web technologies and Adobe Experience Manager CMS
  7. No signs of malware or phishing
  8. WHOIS data missing or domain not found in registry, unusual for corporate domain
Technical notes

Notes

The website is built on Adobe Experience Manager, leveraging modern JavaScript modules, lazy loading images, and SVG icons for performance and visual quality. Google Tag Manager and Adobe Helix RUM are used for analytics and performance monitoring. The site is mobile optimized and accessible with good SEO practices including meta tags and structured data. Performance is moderate, with potential for improvement in loading speed and caching strategies. The technical infrastructure supports a professional corporate presence but could benefit from enhanced security configurations and privacy features.
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

Earlier scans of this domain

  1. 70/100Medium30 findingsView report
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