Skip to main content

Security report for safaribooksonline.com

O'Reilly Media · Technology · United States

Low risk. 2 critical or high findings in GDPR outside view.

Security score

83/100

Risk levelLow

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

O'Reilly Media is a well-established technology and business training company founded in 1978, offering a comprehensive online learning platform that empowers professionals, teams, and organizations worldwide. Their platform leverages expert content, AI, and machine learning to deliver personalized skill-building resources across a wide range of technology and business topics. The company maintains a strong market position with a reputable brand and global presence, including offices in the US, UK, China, and Japan. Technically, the website employs modern web technologies including Google Tag Manager, Visual Website Optimizer, and jQuery, ensuring good performance, mobile optimization, and accessibility. The site uses HTTPS with strong security headers, indicating a mature security posture. However, explicit security policies and incident response information are not publicly detailed. Security-wise, the site demonstrates good practices such as HTTPS enforcement and security headers, but lacks published vulnerability disclosure or security.txt files. No vulnerabilities or exposed sensitive data were detected in the analysis. Privacy compliance is well addressed with clear privacy and cookie policies, including GDPR considerations. Overall, the website is professional, trustworthy, and secure, supporting a medium-sized enterprise business model focused on technology education. The lack of WHOIS data is likely due to privacy protection and does not detract from the legitimacy of the site. Strategic recommendations include publishing explicit security and incident response policies and enhancing transparency on data protection roles.

Scanned

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

NIS2 and GDPR posture

GDPR outside view
58/ 100 · Medium
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

2 findings rated critical or high. Fix these first.

  1. GDPR outside view

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

    • 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 safaribooksonline.com

This scan found 14 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.

Billed monthly to your card. Cancel anytime. The full timeline opens with your unlock code.

Full report

€39.90one-time

  • The complete analysis as a PDF you can cite
  • Email delivery with an unlock code
  • Lifetime access to this report

Prices incl. 21% VAT. Secure checkout by Mollie; sold by SEQ SIA, Latvia.

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
100
Security headers
75
Email security
75
DNS health
90
Network security
100
GDPR outside view
58
Average
83

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 safaribooksonline.com, from OffSeq Breach.

Total records
30,819
Employees
2
Customers
30,817
Third parties
0
Weak passwords
9%

Latest record dated 2026-05-20 · 29 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 safaribooksonline.com.

Select it in the checkout above.

Masked preview

  • –safaribooksonline.com2026-05-20
  • –www.safaribooksonline.com2025-07-20

Breach keeps ingesting new leaks, so these numbers can grow between scans.

Open in Breach(opens in a new tab)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

O'Reilly Media operates in the technology education sector, targeting professionals, enterprises, academic institutions, and government organizations. Their subscription-based business model offers online learning resources and training platforms, supported by a strong brand and a community of expert practitioners. The company benefits from a diversified content portfolio and global reach, positioning it competitively in the e-learning market. Partnerships and app availability on major platforms enhance their ecosystem. Growth indicators include AI/ML integration and continuous content expansion.

Security posture

The website exhibits a mature security posture with HTTPS enforced and multiple security headers implemented. No critical vulnerabilities or exposed sensitive data were found. However, the absence of a publicly available security policy, incident response plan, or vulnerability disclosure program indicates room for improvement in transparency and readiness. The use of third-party analytics and optimization tools is standard but requires ongoing monitoring for vulnerabilities. Overall, the security posture is strong but could benefit from enhanced communication and formalized security governance disclosures.

Recommendations

  1. Publish a dedicated security policy and incident response plan on the website.
  2. Implement and publicize a vulnerability disclosure program or security.txt file.
  3. Provide contact details for a Data Protection Officer or security contact.
  4. Regularly audit and update third-party scripts and analytics tools for security.
  5. Enhance transparency on data retention and privacy compliance practices.

Contact details published on the site

Addresses
Legal name
O'Reilly Media, Inc.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
O'Reilly Media
Description
The O'Reilly learning platform is a skill-building platform that equips individuals and teams with the resources that drive business outcomes. We help tech teams stay ahead. O'Reilly empowers professionals, teams, enterprises, academic institutions, and government organizations to forge a brighter future with guidance from the pioneers who shape today's world. For over 45 years, we've built a renowned community of expert active practitioners with a knack for teaching, and we've cultivated an inherent ability to anticipate technological and business developments by tracking emerging trends. O'Reilly uniquely offers a comprehensive online learning solution that provides insights from these visionary experts and nearly 200 respected providers. We cater to the needs of all learners with diverse content formats and coverage across an abundance of topic areas in all skill levels. And we leverage AI and ML for a truly personalized experience that drives productivity and fosters continuous learning. These distinct tools combined with our unmatched content make O'Reilly the clear choice to acquire in-demand skills, drive career growth, and stay ahead in a rapidly changing world.
Key services
online learning platform, technology and business training, team demos, mobile apps
Content quality
excellent
Branding
consistent

Technology

Stack
Google Tag Manager, Visual Website Optimizer (VWO), jQuery, JSON-LD structured data, HTML5, CSS3
Platforms
Web, iOS app, Android app
Performance
fast
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
90/100
Good practices seen
  • HTTPS enforced
  • security headers present
  • no exposed sensitive data in HTML
  • secure cookies (implied by JWT cookie usage)

Analytics and tracking

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

Advertising

Tracking pixels
Visual Website Optimizer
Marketing tools
VWO
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 professional design.
  2. Strong branding and consistent messaging about technology and business training.
  3. Multiple global office addresses and contact points provided.
  4. Use of modern analytics and optimization tools.
  5. No signs of adult or questionable content.
  6. No explicit security or incident response policies published.
  7. WHOIS data unavailable or protected, but website legitimacy is high.
Technical notes

Notes

The website uses a modern technology stack including Google Tag Manager for analytics, Visual Website Optimizer for A/B testing, and jQuery for DOM manipulation. The site is well-structured with valid HTML5 and CSS3, optimized for mobile devices and accessibility. Performance is fast with CDN usage for static assets. No CMS was explicitly detected, suggesting a custom or proprietary platform. Hosting provider details are not disclosed. The technical implementation supports a high-quality user experience with good SEO and security practices.
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. 83/100Low18 findingsView report
  2. 83/100Low18 findingsView report
Reviews of this site

Share your experience with safaribooksonline.com. Every review is verified by email and published after moderation.

Overall rating
Select a rating
4000 characters remaining

We’ll email you to confirm your review and keep your details private.

Community rating

No published reviews yet. Be the first to review safaribooksonline.com.

Feedback on this report

Rate this report, add an optional comment, and tell us if you want a security specialist to follow up.

Overall report quality
Select a rating
2000 characters remaining

We only use your feedback to improve Guard reports. Contact details are never shared.