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Security report for stuba.sk

Slovenská technická univerzita v Bratislave (STU) · Education · Slovakia

Medium risk. 6 critical or high findings in GDPR outside view, Security headers and 2 other checks.

Security score

65/100

Risk levelMedium

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

Slovenská technická univerzita v Bratislave (STU) is a leading technical university in Slovakia, providing comprehensive higher education, research, and innovation services. The website serves a broad audience including prospective and current students, staff, alumni, and partners, offering detailed information on faculties, study programs, research activities, and cooperation opportunities. The university maintains a strong market position as a key educational institution in the region. Technically, the website employs modern web technologies such as Google Tag Manager, Google Analytics with consent mechanisms, Bootstrap framework, and optimized fonts, ensuring a good user experience across devices. Security posture is solid with HTTPS enforced and privacy-conscious analytics implementation, though some security headers could be improved. Overall, the site is professional, trustworthy, and well-structured, reflecting the university's credibility and commitment to compliance.

Scanned

NIS2 and GDPR posture

GDPR outside view
40/ 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. GDPR outside view

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

    • Critical

      EU business without adequate privacy measures

      EU businesses are subject to strict GDPR requirements

      What to do: Implement comprehensive GDPR compliance including privacy policy, cookie consent, and data protection measures

    • High

      No Privacy Policy found

      GDPR requires a clear and accessible privacy policy

      What to do: Add a comprehensive privacy policy page and link to it prominently

    • High

      Third-party services without privacy policy

      Detected services: Google Analytics, Facebook, LinkedIn, YouTube, Google APIs

      What to do: Document all third-party data sharing in your privacy policy

  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

  3. 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.

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

Keep watching stuba.sk

This scan found 25 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
62
Security headers
45
Email security
60
DNS health
80
Network security
100
GDPR outside view
40
Average
65

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 stuba.sk, from OffSeq Breach.

Total records
11,779
Employees
244
Customers
8,602
Third parties
2,933
Weak passwords
8%

Latest record dated 2026-06-13 · 172 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 stuba.sk.

Select it in the checkout above.

Masked preview

  • –webmail.stuba.sk2026-06-13
  • –www.jedalen.stuba.sk2026-06-12
  • –webmail.stuba.sk2026-06-10
  • –webmail.stuba.sk2026-06-08
  • –idp.stuba.sk2026-06-06

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

Open in Breach(opens in a new tab)Monitor on Breach(opens in a new tab)

Technical appendix

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

Business context

Business profile

STU operates as a public university focused on technical education and research, targeting students, academic staff, and industry partners. Its business model revolves around education services, research grants, and international cooperation. The university's digital presence supports its market leadership in Slovakia, with partnerships evident through linked domains such as scientific and alumni portals. The site’s comprehensive content and clear navigation indicate a mature digital strategy aimed at engagement and transparency. Revenue streams likely include tuition, government funding, and research grants. The partnership ecosystem includes incubators and scientific centers, enhancing innovation capabilities.

Security posture

The website demonstrates a good security maturity level with enforced HTTPS and use of Google Tag Manager configured to deny ad and analytics storage by default, indicating privacy awareness. No critical vulnerabilities or exposed sensitive data were detected in the HTML content. However, explicit security policies, incident response contacts, and vulnerability disclosure mechanisms are not prominently available, which could be improved to enhance transparency and readiness. Security headers such as Content-Security-Policy and X-Frame-Options are not explicitly found and should be implemented. Overall, the security posture is adequate for an educational institution but can benefit from formalized policies and disclosures.

Recommendations

  1. Implement and publish a dedicated security policy and incident response page with clear contact channels.
  2. Add and enforce security headers like Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
  3. Establish a vulnerability disclosure program or security.txt file to encourage responsible reporting.
  4. Enhance transparency by linking privacy and cookie policies clearly on all pages and during user interactions.
  5. Regularly audit third-party scripts and dependencies to mitigate risks from external libraries.

Contact details published on the site

Addresses
Legal name
Slovenská technická univerzita v Bratislave
VAT number
SK2020421234
Registration number
313 578 45
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Slovenská technická univerzita v Bratislave (STU)
Description
Official website of Slovak University of Technology in Bratislava offering information about faculties, study programs, research, cooperation, and university life.
Key services
Higher education, Research and innovation, International cooperation, Lifelong learning, Student services
Content quality
excellent
Branding
consistent

Technology

Stack
Google Tag Manager, Google Analytics, Typekit Fonts, Google Fonts, SVG icons
Frameworks
Bootstrap
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
80/100
Good practices seen
  • HTTPS enforced
  • Google Tag Manager consent set to denied by default
  • No exposed credentials or sensitive data in HTML

Analytics and tracking

Services
Google Analytics, Google Tag Manager
Tracking level
moderate
Privacy practices
good

Advertising

Transparency
basic

Site quality

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

Key observations

  1. Official Slovak technical university website
  2. Comprehensive navigation covering faculties, students, staff, research, and cooperation
  3. Use of modern web technologies and fonts
  4. Proper use of HTTPS and analytics with consent
  5. No signs of malicious or suspicious content
  6. No visible security policy or incident response pages explicitly found
  7. No explicit vulnerability disclosure or security.txt found
Technical notes

Notes

The website uses a custom or proprietary CMS with modern front-end technologies including Bootstrap, SVG icons, and web fonts from Google Fonts and Adobe Typekit. Google Tag Manager and Google Analytics are integrated with consent management, reflecting compliance with privacy regulations. The site is mobile-optimized with responsive design and accessibility features such as skip links and ARIA labels. Performance is moderate, with preconnect and preload hints for fonts and images. Technical debt appears low, but opportunities exist to enhance security headers and formalize technical documentation. Hosting details are not explicit but the site uses HTTPS with a valid certificate, indicating a secure hosting environment.
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. 55/100Medium24 findingsView report
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