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Security report for highfivve.com

highfivve · Technology · Germany

High risk. 7 critical or high findings in Network security, Security headers and 2 other checks.

Security score

49/100

Risk levelHigh

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

highfivve is a German-based technology company specializing in smart monetization solutions for digital publishers. Their core business revolves around programmatic advertising, leveraging a proprietary AdStack and yield optimization engine to maximize ad revenues while maintaining user experience and website performance. The company targets publishers seeking advanced programmatic monetization strategies and compliance with data protection regulations. Their market position is strengthened by partnerships with major ad networks and industry memberships such as BVDW and Prebid. Technically, the website is built on WordPress with Elementor, integrating modern web technologies and consent management platforms to ensure GDPR compliance. Security posture is solid with HTTPS and consent mechanisms, though some security headers could be improved. Overall, the website reflects a professional and trustworthy business with a clear focus on advertising technology and publisher services.

Scanned

This is an earlier scan of highfivve.com. View the latest report

NIS2 and GDPR posture

GDPR outside view
85/ 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

7 findings rated critical or high. Fix these first.

  1. Network security

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

    • Critical

      Critical Service Exposed: PostgreSQL

      Port 5432 (PostgreSQL) is publicly accessible - PostgreSQL - Database server

      What to do: Immediately restrict access to PostgreSQL using firewall or VPN

      • 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

  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
    • High

      Missing X-Frame-Options header

      Prevents clickjacking attacks

      What to do: Add "X-Frame-Options: DENY" or "X-Frame-Options: SAMEORIGIN"

    • 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

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

Keep watching highfivve.com

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.

Daily monitoring

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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
72
Security headers
15
Email security
75
DNS health
75
Network security
0
GDPR outside view
85
Average
54
After the cap
49

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 · found on this site
  • 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

highfivve operates in the digital advertising technology sector, focusing on programmatic monetization for publishers. Their business model includes providing technology solutions such as an advanced AdStack, yield optimization via machine learning, consent management integration, and anti-adblock/adfraud services. Revenue streams likely include technology licensing, service fees, and revenue sharing with publishers. The company targets medium to large publishers in Germany and possibly broader European markets. Their partnerships with leading SSPs and ad networks enhance their competitive advantage. The presence of a careers page and news section indicates growth and active market engagement. The company emphasizes compliance and data-driven advertising, positioning itself as a trusted partner in a complex regulatory environment.

Security posture

The website demonstrates a mature security posture with HTTPS enabled and integration of a consent management platform to comply with GDPR. No critical vulnerabilities or exposed sensitive data were detected in the HTML content. However, some standard security headers like Content-Security-Policy and X-Content-Type-Options are not explicitly present, which could be improved to enhance protection against common web attacks. The use of reputable third-party services for analytics and consent management reduces risk. Incident response and security policy documentation are not publicly found, which is common for smaller companies but could be enhanced for transparency. Overall, the security posture is good but could benefit from additional hardening measures.

Recommendations

  1. Implement Content-Security-Policy and X-Content-Type-Options headers to strengthen security.
  2. Publish a security policy and incident response contact information to improve transparency and trust.
  3. Regularly audit third-party scripts and plugins for vulnerabilities and update them promptly.
  4. Enhance accessibility features to improve compliance and user experience for all users.
  5. Consider publishing data retention policies and more detailed privacy disclosures to further GDPR compliance.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
highfivve
Description
highfivve provides smart monetization solutions for publishers focusing on programmatic advertising, improving website performance, and maximizing ad revenues with a user-centric approach.
Key services
Programmatic monetization, AdStack technology, Yield optimization engine, Consent management integration, Anti-AdBlock and Anti-AdFraud solutions, Identity and cookieless advertising solutions, 1st party data management
Content quality
good
Branding
consistent

Technology

Stack
WordPress 6.8.2, Elementor 3.30.3, Premium Addons for Elementor, jQuery 3.7.1, Swiper.js, Consentmanager.net CMP, HubSpot tracking, Google Analytics (gtag.js), Lottie animations
Frameworks
WordPress, Elementor
Platforms
WordPress CMS
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
80/100
Good practices seen
  • HTTPS enabled
  • Consent management implemented
  • No exposed sensitive data in HTML
  • Use of reputable third-party CMP and analytics

Analytics and tracking

Services
Google Analytics, HubSpot, UserReport
Tracking level
moderate
Privacy practices
good

Advertising

Ad networks
Criteo, Equativ, Google Ad Manager, Xandr, Index Exchange, Magnite, Orbidder, Prebid, Pubmatic, SOD, TeadsTV, Transparent, Yieldlab, YOC
Tracking pixels
HubSpot, UserReport
Marketing tools
HubSpot, Consentmanager.de
Transparency
good

Site quality

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

Key observations

  1. Website is professionally designed with clear business focus on programmatic advertising for publishers.
  2. Strong emphasis on GDPR compliance and consent management.
  3. Use of modern web technologies and integrations with major ad networks and analytics providers.
  4. No signs of suspicious or malicious content.
  5. WHOIS data is transparent and consistent with business location and sector.
Technical notes

Notes

The website is built on a modern WordPress CMS platform using Elementor page builder and several premium addons, indicating a flexible and scalable infrastructure. Hosting is provided by SiteGround, a reputable provider. The site uses jQuery, Swiper.js for carousels, Lottie animations for interactive visuals, and integrates HubSpot and Google Analytics for marketing and analytics. Consent management is handled by Consentmanager.net, ensuring GDPR compliance. Performance is moderate with room for optimization, especially in mobile responsiveness and accessibility. The technical stack is well-suited for the business model but should be regularly maintained to avoid technical debt and security risks.
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. 45/100High36 findingsView report
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