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Security report for cardiotextpublishing.com

Cardiotext Publishing · Healthcare · United States

Medium risk. 6 critical or high findings in Email security, Security headers and 1 other check.

Security score

69/100

Risk levelMedium

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

Cardiotext Publishing is a specialized small business focused on publishing and selling cardiology medical textbooks and eBooks. The company has an established market presence since 2007, targeting clinicians and allied health professionals in cardiology. Their business model centers on e-commerce sales of niche medical content with worldwide delivery and partnerships with major distributors and retailers. Technically, the website is built on the Squarespace platform, leveraging modern web technologies and third-party integrations such as Google Analytics and Stripe for payments. The site is mobile optimized and provides a professional user experience. Security posture is strong with HTTPS, HSTS, and PCI-compliant payment processing, though DNSSEC is not enabled and some advanced security headers are missing. Privacy compliance is well addressed with comprehensive policies and cookie consent mechanisms. Overall, the website is trustworthy, professionally maintained, and aligned with its business objectives.

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

6 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

    • High

      No SPF record found

      SPF helps prevent email spoofing

      What to do: Add SPF record: "v=spf1 include:_spf.yourmailprovider.com ~all"

  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 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. 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

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

Keep watching cardiotextpublishing.com

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.

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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
52
Security headers
35
Email security
55
DNS health
75
Network security
100
GDPR outside view
95
Average
69

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

Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

The company operates in the healthcare publishing sector with a niche focus on cardiology. It leverages e-commerce to distribute specialized textbooks and eBooks globally. The business benefits from partnerships with major book distributors and retailers such as Amazon, Ingram, and Matthews. The presence of detailed policies, contact information, and social media engagement indicates a mature business operation. The company is small-sized but well-branded and consistent in its messaging. The domain age and WHOIS data support the legitimacy and longevity of the business.

Security posture

The website demonstrates a good security maturity level with enforced HTTPS, HSTS, and secure payment processing through Stripe, which is PCI Level 1 certified. No exposed sensitive data or vulnerable libraries were detected. However, DNSSEC is not enabled, which could improve DNS security. The absence of a public security policy or incident response information is a gap in transparency. No vulnerability disclosure or security.txt file was found, indicating limited formal security communication. Overall, the site is secure for typical e-commerce operations but could enhance security posture with additional headers and policies.

Recommendations

  1. Enable DNSSEC on the domain to enhance DNS security and prevent spoofing.
  2. Implement additional HTTP security headers such as Content-Security-Policy and X-Content-Type-Options.
  3. Publish a security policy and incident response information to improve transparency and trust.
  4. Consider adding a vulnerability disclosure policy or security.txt file to facilitate responsible reporting.
  5. Regularly audit third-party scripts and integrations to ensure no vulnerabilities are introduced.

Contact details published on the site

Addresses
Legal name
Cardiotext Publishing
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Cardiotext Publishing
Description
Cardiology books, eBooks, and textbooks. Cardiotext publishes medical textbooks on electrophysiology, cardiac ablation, ECGs, atrial fibrillation, and arrhythmias.
Key services
Publishing cardiology books and eBooks, Sales of medical textbooks, Worldwide delivery, Bulk orders and quotes
Content quality
good
Branding
consistent

Technology

Stack
Squarespace, Google Analytics, Google Tag Manager, Stripe, Chimp (Mailchimp), Pinterest integration, Typekit Fonts
Frameworks
Squarespace platform
Platforms
Squarespace CMS and hosting
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • HSTS enabled
  • No DNSSEC (not enabled)
  • Payment processing via PCI Level 1 certified Stripe
  • No exposed sensitive data found

Analytics and tracking

Services
Google Analytics, Google Tag Manager
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Mailchimp
Marketing tools
Mailchimp
Transparency
basic

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 standard e-commerce features.
  2. Clear business focus on cardiology medical textbooks and eBooks.
  3. Payment processing is securely handled by Stripe with PCI compliance.
  4. Privacy and cookie policies are present and GDPR compliant.
  5. Contact information is complete and consistent across pages and structured data.
  6. No signs of phishing, malware, or suspicious activity detected.
  7. No security policy or incident response information publicly available.
  8. No vulnerability disclosure or security.txt found.
  9. Website is well-branded and professionally maintained.
  10. No DNSSEC enabled which is a minor security gap.
Technical notes

Notes

The website is hosted and managed on the Squarespace platform, which provides a stable and modern infrastructure. The tech stack includes Google Analytics, Google Tag Manager, Mailchimp, Stripe, and Pinterest integrations. The site uses Typekit fonts and is optimized for mobile devices. Performance is moderate with no major issues detected. The site has valid meta tags and structured data for SEO. Accessibility features are basic but present. There is some technical debt in missing DNSSEC and advanced security headers, which are recommended for improvement. Overall, the technical implementation supports the business needs effectively.
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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