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Security report for appkee.eu

APPKEE s.r.o. · Technology · Czech Republic

Medium risk. 4 critical or high findings in Email security, Security headers and 2 other checks.

Security score

63/100

Risk levelMedium

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

APPKEE s.r.o. is a Czech-based technology company specializing in the development of custom mobile applications for iOS and Android platforms. The company targets a diverse audience including municipalities, businesses, restaurants, hotels, and e-commerce stores, offering a comprehensive app management platform called APP manager. With over 750 mobile applications deployed, APPKEE holds a solid regional market position supported by clear pricing models and premium features such as push notifications, app vouchers, and payment gateway integration. The company is part of the OT Holding group, enhancing its business credibility. Technically, the website employs modern web technologies including Google Analytics, Google Tag Manager, and YouTube APIs, ensuring good SEO and mobile optimization. The site is well-structured with multi-language support and a responsive design. Security posture is strong with HTTPS enforced and secure form handling, though some security headers are missing. Privacy compliance is evident with a comprehensive privacy policy, cookie consent mechanisms, and GDPR notices on data collection forms. Security-wise, no critical vulnerabilities or exposed sensitive data were detected. However, the absence of explicit security policies and incident response information suggests room for improvement in transparency and preparedness. The WHOIS data is privacy protected, which is common for small tech firms, but limits domain ownership visibility. Overall, the website and business present a trustworthy and professional front with minor technical and security enhancements recommended. Strategically, APPKEE should focus on implementing security headers, publishing incident response details, and enhancing accessibility to further strengthen trust and compliance. Continued monitoring of third-party scripts and maintaining GDPR compliance will support sustainable growth and risk mitigation.

Scanned

NIS2 and GDPR posture

GDPR outside view
95/ 100 · Low
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

4 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

  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. 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

  4. Network security

    Services reachable from the internet are the first thing attackers probe. Anything open that does not need to be should be closed.

    • High

      High-Risk Service Exposed: FTP

      Port 21 (FTP) is publicly accessible - FTP - Often unencrypted file transfer

      What to do: Consider restricting access to FTP or implementing strong authentication

      • NIS2 21(2)(e)
      • IR 2024/2690 6.7.2(f): Implementing Regulation (EU) 2024/2690, Annex point 6.7.2(f): Network security
      • NIST CM-7: NIST SP 800-53 Rev. 5 CM-7: Least Functionality
      • NIST SC-7: NIST SP 800-53 Rev. 5 SC-7: Boundary Protection

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

Keep watching appkee.eu

This scan found 20 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

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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
65
Email security
60
DNS health
75
Network security
20
GDPR outside view
95
Average
63

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 appkee.eu, from OffSeq Breach.

No leaked records found

Breach holds no records for appkee.eu right now. New leaks arrive continuously, so monitoring on Breach alerts you if that changes.

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

APPKEE operates in the technology sector with a focus on mobile app development for a broad client base including municipalities and commercial enterprises. Its business model combines subscription tariffs with one-time setup fees, providing predictable revenue streams. The company leverages partnerships within the OT Holding group and notification service providers like Notifee to enhance its offerings. Market positioning is strong regionally with a portfolio of over 750 apps and presence on major app stores. Target customers benefit from tailored app solutions that improve customer engagement and operational efficiency. The company’s multilingual approach and branch offices in Prague, Brno, Bratislava, and Warsaw indicate a strategy for regional expansion. APPKEE’s competitive advantage lies in its easy-to-use APP manager platform and premium features such as iBeacon and integrated analytics.

Security posture

The website demonstrates a mature security posture with mandatory HTTPS, secure form inputs, and no visible exposure of sensitive data. Use of Google Tag Manager and Analytics is standard but requires ongoing vigilance to avoid third-party risks. The lack of security headers such as Content Security Policy and HSTS is a notable gap that could be exploited in certain attack scenarios. No incident response or security policy pages were found, which limits transparency and preparedness perception. GDPR compliance is well addressed through privacy policies and consent mechanisms. The WHOIS privacy protection is justified but reduces domain ownership transparency. Overall, the security maturity is good but can be improved by adopting additional HTTP security headers and publishing incident response information.

Recommendations

  1. Implement HTTP security headers including Content Security Policy, HSTS, X-Frame-Options, and X-Content-Type-Options to enhance protection against common web attacks.
  2. Publish a dedicated security policy and incident response page to improve transparency and readiness for security events.
  3. Conduct regular audits of third-party scripts and dependencies to mitigate supply chain risks.
  4. Enhance website accessibility features to comply with WCAG standards and improve user experience for all visitors.
  5. Consider creating and publishing a security.txt file to facilitate responsible vulnerability disclosure.

Contact details published on the site

Addresses
Legal name
APPKEE s.r.o.
VAT number
CZ075 67 219
Registration number
Section C, Insert 76286
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
APPKEE s.r.o.
Description
We create mobile applications tailored to companies and municipalities. We are specialists in mobile applications for iOS and Android.
Key services
Custom mobile app development, APP manager software for app management, Push notifications, App vouchers, Fault detector, Analytics integration, Payment gateway integration, iBeacon technology
Content quality
good
Branding
consistent

Technology

Stack
Google Analytics, Google Tag Manager, YouTube iframe API, CSS (BaguetteBox, Swiper), JavaScript, Smart App Banner
Platforms
Web, iOS, Android
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • No exposed sensitive data in HTML
  • Secure contact form with required fields

Analytics and tracking

Services
Google Analytics, Firebase
Tracking level
moderate
Privacy practices
good

Advertising

Ad networks
Sklik, Facebook
Marketing tools
Facebook Pixel
Transparency
good

Site quality

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

Key observations

  1. Website is fully accessible with rich content and clear navigation
  2. Strong focus on mobile app development for businesses and municipalities
  3. Multiple language options available
  4. Comprehensive pricing and tariff information provided
  5. Contact form collects personal data with GDPR notice
  6. Use of modern analytics and marketing tools
  7. No visible security or privacy red flags in content
  8. WHOIS data is privacy protected, limiting domain ownership transparency
Technical notes

Notes

The website uses a modern technology stack with JavaScript libraries for analytics and video embedding, CSS frameworks for styling and galleries, and smart app banner integration for mobile platforms. The site is mobile optimized with responsive design and multi-language support. Performance is moderate with asynchronous loading of analytics scripts. No CMS was detected, suggesting a custom or static site architecture. Hosting provider details are not disclosed. The site has good SEO metadata and Open Graph tags for social sharing. Technical debt appears low but could be improved by adding accessibility enhancements and security headers. Overall, the technical infrastructure supports the business goals effectively with room for incremental improvements.
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

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