Macmillan Learning · Education · United States
Low risk. 1 critical or high finding in SSL/TLS.
Macmillan Learning is a prominent educational publisher and digital learning solutions provider focused on higher education in the United States. Their website offers a comprehensive range of digital tools, textbooks, and instructor resources designed to enhance teaching and learning outcomes. The company targets educators and students, providing platforms such as Achieve and a student store to support academic success. The brand is well-established with consistent and professional digital presence. Technically, the website employs modern analytics and marketing technologies including Google Tag Manager, Amplitude, Hotjar, and Marketo, alongside a robust cookie consent mechanism powered by OneTrust. The site is mobile-optimized, accessible, and SEO-friendly, reflecting a mature digital infrastructure. The CMS appears to be SAP Hybris, indicating enterprise-grade content management. From a security perspective, the site enforces HTTPS with strong SSL configuration and implements key security headers. However, it lacks publicly available security policies, incident response information, and a vulnerability disclosure program, which are areas for improvement. No critical vulnerabilities or exposed sensitive data were detected in the content. Overall, the website is trustworthy, professional, and compliant with privacy regulations such as GDPR. The absence of WHOIS data reduces transparency but does not detract significantly from the site's legitimacy. Strategic recommendations include publishing detailed security and incident response policies, establishing a vulnerability disclosure program, and enhancing transparency around data protection officer contacts and data retention policies.
Scanned
NIS2 Art. 21(2)
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.
1 finding rated critical or high. Fix these first.
TLS encrypts the connection and proves the site is really yours. Weak or expiring certificates trigger browser warnings and put traffic at risk.
Server supports weak protocols: TLSv1.1
What to do: Disable TLS 1.0, TLS 1.1, and all SSL versions
Need hands-on remediation? Email guard@offseq.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.
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Each check with its score, findings and the evidence it collected.
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
Not counted
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.
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
Leaked credentials and lookalike domains from OffSeq Breach. The counts are free; the detailed lists are paid add-ons.
Leaked records that mention macmillanlearning.com, from OffSeq Breach.
18 subdomains affected
See the 10 newest leaked credentials
A one-off add-on to this report that lists the most recent identifier and password pairs OffSeq Breach holds for macmillanlearning.com.
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Breach keeps ingesting new leaks, so these numbers can grow between scans.
Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.
Automated reading of the public site. Ratings are indicative.
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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