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Security report for macmillanihe.com

Macmillan Learning · Education · United States

Low risk. 1 critical or high finding in SSL/TLS.

Security score

84/100

Risk levelLow

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

Macmillan Learning is a prominent educational publisher and digital learning solutions provider targeting higher education instructors and students in the United States. The website offers a comprehensive portfolio of digital tools, textbooks, and instructor resources designed to enhance learning outcomes and engagement. The company maintains a strong market position as part of the Macmillan Publishers group, with a focus on innovative educational technology platforms such as Achieve and iClicker. Technically, the website employs modern web technologies including Google Tag Manager, Amplitude, Marketo, and OneTrust for analytics, marketing, and privacy compliance. The site is mobile-optimized, accessible, and SEO-friendly, reflecting a mature digital infrastructure. Security posture is good with HTTPS enforced and cookie consent mechanisms in place, though explicit security headers and incident response policies are not publicly documented. The absence of WHOIS data limits domain registration trust analysis, but the website's professional presentation and consistent branding support its legitimacy. Overall, the site demonstrates a high level of digital maturity and business credibility, with moderate user tracking balanced by privacy compliance. Strategic recommendations include enhancing security header implementation, publishing security policies, and adding vulnerability disclosure information to further strengthen trust and security culture.

Scanned

NIS2 and GDPR posture

GDPR outside view
88/ 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

1 finding rated critical or high. Fix these first.

  1. 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 macmillanihe.com

This scan found 15 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
67
Security headers
85
Email security
85
DNS health
80
Network security
100
GDPR outside view
88
Average
84

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

Macmillan Learning operates in the education sector, providing digital and print educational content and tools primarily for higher education. Its business model revolves around selling textbooks, digital courseware, and instructor resources, supported by a strong online presence and integrated digital platforms. The company targets instructors and students, offering tailored solutions to improve teaching and learning experiences. Market positioning is strong due to its affiliation with Macmillan Publishers and Holtzbrinck Publishing Group. The website ecosystem includes partner domains for student stores, community engagement, and digital platforms, indicating a well-integrated service offering. Growth indicators include adoption of AI and adaptive learning technologies. The company leverages multiple marketing and analytics tools to optimize user engagement and conversion. The absence of direct contact emails or phone numbers suggests a preference for managed contact channels via forms and support portals.

Security posture

The website demonstrates a good security posture with HTTPS enforced and a cookie consent mechanism compliant with GDPR. Use of reputable analytics and marketing tools with consent indicates responsible data handling. However, explicit security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options are not evident in the HTML, representing an area for improvement. No exposed sensitive data or vulnerable libraries were detected. The lack of a published security policy or incident response contact limits transparency and readiness perception. No vulnerability disclosure or security.txt file is present, which could enhance security culture and trust. Overall, the site is secure for typical user interactions but could benefit from enhanced security documentation and header implementation.

Recommendations

  1. Implement and verify comprehensive security headers including CSP, X-Frame-Options, and X-Content-Type-Options.
  2. Publish a clear security policy and incident response contact information on the website.
  3. Add a vulnerability disclosure policy or security.txt file to encourage responsible reporting.
  4. Enhance transparency around data retention policies and analytics data usage.
  5. Regularly audit third-party scripts and tracking tools to minimize privacy risks and improve performance.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Macmillan Learning
Description
Explore Macmillan Learning digital learning tools, solutions, and textbooks that drive engagement, improve outcomes, and support student and educator success.
Key services
Digital learning tools, Textbooks, Instructor resources, Courseware platform (Achieve), Active classroom management (iClicker)
Content quality
excellent
Branding
consistent

Technology

Stack
Google Tag Manager, Amplitude (experiment.js), Marketo Munchkin tracking, Storylane analytics, OneTrust cookie consent, jQuery (implied by Bootstrap classes), Bootstrap CSS framework
Frameworks
Bootstrap
Platforms
Web
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent mechanism implemented
  • No exposed sensitive data in HTML
  • Use of secure analytics and marketing tools

Analytics and tracking

Services
Google Tag Manager, Amplitude, Marketo Munchkin, Storylane
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Amplitude, Marketo Munchkin, Storylane
Marketing tools
Marketo, Amplitude, Storylane
Transparency
good

Site quality

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

Key observations

  1. Website is fully accessible with rich content and no blocking detected.
  2. Strong focus on educational tools and resources for instructors and students.
  3. Comprehensive cookie consent and privacy mechanisms implemented.
  4. Use of multiple analytics and marketing tools with consent.
  5. No direct contact emails or phone numbers found in HTML; contact primarily via forms.
  6. No explicit security or incident response policies published.
  7. WHOIS data unavailable, limiting domain registration trust analysis.
Technical notes

Notes

The website uses a modern technology stack with Bootstrap for responsive design, Google Tag Manager for tag management, Amplitude and Marketo for analytics and marketing automation, and OneTrust for cookie consent management. The site is mobile-optimized and accessible, with semantic HTML elements and skip links for improved usability. Performance is moderate, with some reliance on multiple external scripts which may impact load times. The CMS is not explicitly identified but appears to be a custom or enterprise solution. There is an opportunity to improve technical SEO by ensuring all security headers are implemented and optimizing script loading strategies. Overall, the technical infrastructure supports a professional and scalable digital presence aligned with business goals.
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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