Aachen-Kalender.de is a localized event calendar platform focused on providing comprehensive listings of cultural, sports, and community events in Aachen and its surrounding region. The website targets residents and visitors interested in staying informed about local happenings. It leverages WordPress CMS with popular plugins such as The Events Calendar and Yoast SEO to deliver structured event data and optimized search engine presence. The platform offers event search, filtering, and calendar export features, enhancing user engagement and utility.
Technically, the website is built on a modern WordPress infrastructure with Elementor for design and jQuery for interactivity. It employs HTTPS with proper security headers, ensuring secure data transmission and basic protection against common web threats. The site is mobile-optimized and provides good accessibility and SEO features, although some accessibility enhancements could be beneficial.
From a security perspective, the site demonstrates good practices such as HTTPS enforcement and security headers but lacks explicit privacy and cookie policies, as well as incident response contact information. No vulnerabilities or suspicious activities were detected in the provided content. The absence of cookie consent mechanisms and privacy documentation represents compliance gaps, particularly under GDPR regulations.
Overall, Aachen-Kalender.de is a trustworthy and professionally maintained local event platform with solid technical foundations. To enhance its security posture and regulatory compliance, it should implement comprehensive privacy and cookie policies, introduce consent mechanisms, and provide clear incident response contacts.
Scanned ·
NIS2 and GDPR posture
GDPR outside view
28/ 100 · High
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.
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 Cookie Policy found
GDPR requires clear information about cookie usage
What to do: Add a dedicated cookie policy explaining cookie usage and purposes
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 24 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
100
Security headers
15
Email security
70
DNS health
60
Network security
100
GDPR outside view
28
Average
62
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 aachen-kalender.de, from OffSeq Breach.
No leaked records found
Breach holds no records for aachen-kalender.de 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
The platform occupies a niche as a local event aggregator for the Aachen region, serving cultural institutions, event organizers, and the general public. Its business model revolves around providing free access to event information, likely supported by partnerships with local organizations and venues. The site links to numerous regional partners, indicating a strong local network. Its competitive advantage lies in comprehensive event coverage and integration with popular calendar formats. Growth potential exists in expanding event categories and enhancing user engagement through personalized features. The absence of monetization details suggests a focus on community service or indirect revenue streams such as advertising or sponsorships.
Security posture
The website exhibits a moderate to good security maturity level with HTTPS and multiple security headers in place. No exposed sensitive data or vulnerable libraries were identified. However, the lack of privacy and cookie policies, absence of a cookie consent mechanism, and missing incident response contact information highlight compliance and operational gaps. These issues could expose the organization to regulatory risks and reduce user trust. The site does not appear to use extensive tracking or analytics, which reduces privacy risks but also limits data-driven security insights. Overall, the security posture is adequate for a public informational site but requires improvements to meet GDPR and best practice standards fully.
Recommendations
Implement a comprehensive privacy policy detailing data collection, usage, and user rights.
Add a cookie policy and deploy a cookie consent banner to comply with GDPR requirements.
Publish terms of service to clarify user and platform responsibilities.
Provide clear incident response and security contact information (e.g., security@ or abuse@ email).
Enhance accessibility features to improve usability for all users and meet WCAG guidelines.
Automated reading of the public site. Ratings are indicative.
Business
Company
Aachen-Termine
Description
Alle Veranstaltungen auf einem Blick
Key services
Event calendar, Event listings, Event search and filtering, Event iCal export
Content quality
good
Branding
consistent
Technology
Stack
WordPress, PHP, jQuery, Bootstrap Datepicker, The Events Calendar plugin, Elementor, Yoast SEO
Frameworks
WordPress, Elementor
Platforms
WordPress CMS
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good
Security
Observed score
80/100
Good practices seen
HTTPS enforced
No exposed sensitive data in HTML
Use of security headers
Analytics and tracking
Tracking level
minimal
Privacy practices
poor
Advertising
Transparency
poor
Site quality
Design
good
User experience
good
Content relevance
good
Navigation
good
Professionalism
good
Trustworthiness
high
Key observations
Website is a local event calendar for Aachen and surrounding region.
Content is in German language targeting local residents and visitors.
Uses WordPress with popular event calendar and SEO plugins.
No explicit privacy, cookie, or terms of service pages found.
Contact information is partially available via event organizer and location data.
No signs of adult or questionable content.
No WAF or blocking mechanisms detected.
Good use of structured data for SEO and event details.
External links mostly to local partners and event venues.
No analytics or tracking scripts detected in provided content.
Technical notes
Notes
The website is built on WordPress with Elementor and The Events Calendar plugin, indicating a mature and widely supported technology stack. It uses jQuery and Bootstrap Datepicker for UI components. The site is served over HTTPS with appropriate security headers, contributing to a secure browsing experience. Performance appears moderate, with some lazy loading and caching implied by the use of modern plugins. SEO is enhanced by Yoast SEO and structured data (JSON-LD) for events, improving search engine visibility. Mobile optimization is good, with responsive design elements. No major technical debt or outdated libraries were detected in the provided content. Opportunities exist to improve accessibility and add privacy compliance 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.
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