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Security report for prebidsummit.org

Prebid Summit · Technology · United States

Medium risk. 7 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

Prebid Summit is a specialized event organizer focusing on programmatic advertising and header bidding technology conferences, such as Prebid Ascent Germany and Prebid Summit NYC. The organization targets developers and industry professionals, providing networking and educational opportunities within the advertising technology sector. The website is professionally designed using the Squarespace platform, featuring responsive design and good SEO practices, though it lacks some privacy and cookie policy disclosures. Security posture is strong with HTTPS and HSTS enabled, but could be improved with additional security headers and transparency documents. WHOIS data is unavailable, likely due to privacy protection, which is common for event organizations. Overall, the site presents a credible and trustworthy front for its niche audience.

Scanned

NIS2 and GDPR posture

GDPR outside view
35/ 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

7 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. GDPR outside view

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

    • 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

      No Cookie Policy found

      GDPR requires clear information about cookie usage

      What to do: Add a dedicated cookie policy explaining cookie usage and purposes

    • 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 prebidsummit.org

This scan found 26 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
45
Email security
60
DNS health
75
Network security
100
GDPR outside view
35
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 prebidsummit.org, from OffSeq Breach.

No leaked records found

Breach holds no records for prebidsummit.org 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

The Prebid Summit operates in a niche technology event market, focusing on programmatic advertising professionals. Its business model revolves around hosting developer conferences and summits, generating revenue likely through ticket sales and sponsorships. The company maintains partnerships with hotel providers and leverages social media for outreach, although some social links point to generic Squarespace accounts. The organization appears small but well-positioned within its industry, with consistent branding and a clear target audience. Growth indicators include multiple upcoming events and a structured agenda with speakers and sponsors. The lack of direct phone contact and limited public WHOIS data suggests a lean operational model focused on digital engagement.

Security posture

The website demonstrates a solid security foundation with enforced HTTPS and HSTS, ensuring encrypted communications. However, it lacks visible security headers such as Content-Security-Policy and X-Frame-Options, which could enhance protection against common web attacks. No forms or input fields are present on the main pages, reducing attack surface. The absence of a privacy policy and cookie consent mechanism indicates compliance gaps with GDPR and other privacy regulations. No incident response or vulnerability disclosure information is provided, limiting transparency in security management. Overall, the security posture is good but could benefit from improved compliance and security best practices documentation.

Recommendations

  1. Publish a comprehensive privacy policy and cookie consent banner to improve GDPR compliance.
  2. Implement additional security headers like Content-Security-Policy, X-Content-Type-Options, and X-Frame-Options.
  3. Add terms of service and incident response contact information to enhance transparency and trust.
  4. Consider creating a security.txt file to facilitate vulnerability disclosures and improve security culture.
  5. Enhance accessibility features to meet compliance standards and improve user experience.

Contact details published on the site

Addresses
Legal name
Prebid Summit Location: Quorum by Convene
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Prebid Summit
Description
Prebid Summit is an event-focused organization hosting conferences such as Prebid Ascent Germany and Prebid Summit NYC, targeting developers and industry professionals in the programmatic advertising and header bidding technology space.
Key services
Conferences, Developer summits, Networking events
Content quality
good
Branding
consistent

Technology

Stack
Squarespace CMS, Typekit fonts, Google Fonts, JavaScript, CSS3
Platforms
Squarespace
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • HSTS enabled

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

  1. Website is built on Squarespace platform with modern design and responsive layout
  2. No visible privacy or cookie policies found on the site
  3. No contact phone number provided, only email and physical address
  4. Social media links point to Squarespace generic accounts, not specific to Prebid Summit
  5. No forms detected on the homepage or main sections for data collection
  6. No visible security.txt or vulnerability disclosure information
  7. WHOIS data is unavailable or protected, limiting domain ownership transparency
Technical notes

Notes

The website is built on the Squarespace CMS platform, utilizing modern web technologies including Typekit and Google Fonts for typography, and JavaScript for interactivity. The site is mobile responsive with good SEO metadata including Open Graph and JSON-LD structured data for enhanced search engine understanding. Hosting is managed by Squarespace, providing reliable uptime and SSL certificates. Performance is moderate, with optimized images and deferred script loading. However, the site lacks advanced analytics or tracking scripts, indicating minimal user tracking. Technical debt appears low, but opportunities exist to improve accessibility and security header implementation.
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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