HERDT-Verlag für Bildungsmedien GmbH operates HERDT|Campus, a digital educational media platform targeting academic institutions in Germany. The platform restricts access to authorized university networks, providing exclusive learning content for research and teaching. The company has a stable market position as a niche provider of digital educational resources, founded in 2013 and maintaining consistent branding and contact transparency. Technically, the website employs modern frontend technologies such as jQuery, Bootstrap, and the Yii framework, with Cloudflare DNS services enhancing infrastructure reliability. However, the site shows basic SEO and accessibility features and lacks visible advanced security headers or cookie consent mechanisms. Security posture is moderate, with domain registration and DNS configurations indicating legitimacy but missing DNSSEC and security policy disclosures. Overall, the site is safe, professional, and targeted at a general academic audience, but improvements in privacy compliance and security best practices are recommended.
Scanned ·
NIS2 and GDPR posture
GDPR outside view
53/ 100 · Medium
Checks completed
7of 7
NIS2 Art. 21(2)
a(a) Risk analysis and security policies: Not visible from outside
b(b) Incident handling: One indicator
c(c) Business continuity, backups and crisis management: Not visible from outside
d(d) Supply chain security: Not visible from outside
e(e) Secure acquisition, development and maintenance, including vulnerability handling: Partly checked
f(f) Assessing the effectiveness of security measures: Not visible from outside
g(g) Cyber hygiene and security training: Not visible from outside
h(h) Cryptography and encryption: Partly checked
i(i) HR security, access control and asset management: One indicator
j(j) Multi-factor authentication and secured communications: Not visible from outside
Partly checked
One indicator
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.
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"
This scan found 23 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.
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
75
Security headers
20
Email security
70
DNS health
70
Network security
100
GDPR outside view
53
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 herdt-campus.com, from OffSeq Breach.
No leaked records found
Breach holds no records for herdt-campus.com right now. New leaks arrive continuously, so monitoring on Breach alerts you if that changes.
Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.
Business context
Business profile
HERDT-Verlag focuses on the education sector, providing digital learning media accessible only through authorized university networks, indicating a subscription or institutional access business model. The company targets higher education institutions and students, leveraging exclusive content to maintain market differentiation. The domain age and registration details support a credible and stable business presence. The lack of visible marketing or advertising tools suggests a direct B2B or institutional sales approach. Contact information is clear, supporting customer service and trust. The company appears to operate independently without listed subsidiaries or partners on this domain.
Security posture
The website demonstrates a moderate security posture with domain registration protections such as clientTransferProhibited and use of Cloudflare DNS. However, the absence of DNSSEC, security headers, and visible HTTPS enforcement reduces the overall security maturity. No incident response or security policy information is published, limiting transparency. No vulnerabilities or exposed sensitive data were detected in the analyzed content. The lack of cookie consent and privacy policy visibility on the page indicates partial GDPR compliance. Overall, the security culture appears basic but stable, with room for improvement in policy publication and technical security controls.
Recommendations
Enable DNSSEC on the domain to enhance DNS security and prevent spoofing.
Implement and enforce HTTPS with proper SSL/TLS configuration and HSTS headers.
Add standard security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
Publish a clear security policy and incident response contact information on the website.
Introduce a cookie consent mechanism to comply with GDPR and improve privacy transparency.
Automated reading of the public site. Ratings are indicative.
Business
Company
HERDT-Verlag für Bildungsmedien GmbH
Description
HERDT|Campus offers exclusive digital learning media for research and teaching, targeting academic institutions.
Key services
Digital learning media, Access control via university networks
Content quality
basic
Branding
consistent
Technology
Stack
jQuery, Bootstrap, Intercooler.js, Yii Framework, Cloudflare DNS
Frameworks
Yii
Performance
moderate
Mobile
good
Accessibility
basic
SEO
basic
Security
Observed score
55/100
Good practices seen
Domain status clientTransferProhibited
Use of Cloudflare DNS servers
Analytics and tracking
Tracking level
minimal
Privacy practices
poor
Advertising
Transparency
poor
Site quality
Design
basic
User experience
basic
Content relevance
basic
Navigation
basic
Professionalism
basic
Trustworthiness
moderate
Key observations
Website content is minimal and access restricted based on IP address to authorized university networks.
No privacy or cookie policy banner detected on this page, though privacy and terms are linked externally.
No forms present on the analyzed page; no data collection observed.
Contact information is clearly provided including email, phone, and physical address.
No social media links found on this page.
No security headers detected in provided data; SSL status unknown.
No analytics or tracking scripts detected.
Website uses modern frontend libraries but lacks advanced SEO and accessibility features.
Content is in German and targeted at academic users.
No signs of malicious or suspicious content.
Technical notes
Notes
The website uses a combination of jQuery, Bootstrap, and Yii framework, indicating a moderately modern tech stack suitable for dynamic content delivery. Hosting appears to leverage Cloudflare DNS services, improving DNS reliability and potential DDoS mitigation. The site is mobile responsive with basic accessibility features but lacks advanced SEO optimizations and security headers. Performance is moderate with no explicit indicators of slow loading or errors. The absence of analytics or tracking scripts suggests minimal user data collection, aligning with privacy-conscious design. Technical debt appears low but could be improved by adopting modern security standards and enhancing SEO and accessibility.
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.
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