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Security report for itheima.com

江苏传智播客教育科技股份有限公司 · Education · China

Medium risk. 7 critical or high findings in SSL/TLS, Security headers and 1 other check.

Security score

53/100

Risk levelMedium

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

The website www.itheima.com represents 黑马程序员, a prominent IT education and training brand under the publicly listed company 传智教育. It offers a wide range of IT courses including Java, Python, AI, big data, embedded systems, and more, targeting students, professionals, and career changers in China. The site is well-structured, professionally designed, and provides extensive information about courses, campuses, faculty, and partnerships with major technology companies. Technically, the site uses modern JavaScript libraries and analytics tools, with good mobile optimization and SEO practices. Security posture is solid with HTTPS and no obvious vulnerabilities, though some security headers and privacy compliance mechanisms could be improved. The absence of WHOIS data is a notable anomaly but does not detract significantly from the site's credibility given the strong business presence and trust signals. Overall, the site is a reliable and professional platform for IT education in China.

Scanned

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

NIS2 and GDPR posture

GDPR outside view
50/ 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

7 findings 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.

    • Critical

      Unable to retrieve SSL certificate

      Could not establish secure connection to retrieve certificate information

      What to do: Check if the server is accessible and SSL/TLS is properly configured

  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 Strict-Transport-Security header

      Forces HTTPS connections

      What to do: Add "Strict-Transport-Security: max-age=31536000; includeSubDomains; preload"

      • CWE-319
      • OWASP A04:2025
      • ASVS V3.4.1
    • 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. 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

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

Keep watching itheima.com

This scan found 21 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
0
Security headers
15
Email security
70
DNS health
80
Network security
100
GDPR outside view
50
Average
53

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

黑马程序员 operates as a large-scale IT education provider with a comprehensive course catalog and multiple physical campuses across major Chinese cities. It leverages partnerships with leading tech companies like Alibaba Cloud, Huawei, Baidu, and Tencent to enhance course relevance and employment opportunities. The business model focuses on career-oriented training, targeting new learners, professionals seeking upskilling, and university students. The company benefits from strong brand recognition, a large student base, and a robust ecosystem of online and offline resources. Its market position is reinforced by its parent company 传智教育, a publicly traded entity, which adds financial stability and industry credibility.

Security posture

The website demonstrates a mature security posture with enforced HTTPS and no visible exposure of sensitive data. However, it lacks explicit security headers such as Content-Security-Policy and X-Frame-Options, which are recommended to mitigate common web attacks. There is no published security policy or incident response information, which could enhance transparency and trust. Privacy compliance is partial, with a privacy policy present but no clear cookie consent mechanism or GDPR-specific disclosures. The use of reputable analytics and live chat services is positive but should be regularly audited for security. Overall, the site is secure for typical user interactions but could improve in formal security governance and compliance.

Recommendations

  1. Implement and enforce Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options HTTP headers to strengthen web security.
  2. Add a cookie consent banner and detailed cookie policy to improve privacy compliance and user transparency.
  3. Publish a dedicated security policy and incident response contact information to enhance trust and preparedness.
  4. Regularly review and update third-party scripts and analytics tools to mitigate supply chain risks.
  5. Investigate and resolve the missing WHOIS data issue to ensure domain registration transparency.

Contact details published on the site

Addresses
Legal name
江苏传智播客教育科技股份有限公司
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
江苏传智播客教育科技股份有限公司
Description
黑马程序员专注于IT培训，开设java培训、鸿蒙开发培训、大数据培训、web前端培训、python培训、嵌入式培训、嵌入式开发培训、人工智能培训、软件测试培训、产品经理培训、智能机器人软件开发培训等多门IT培训课程，提供java培训、Java开发培训、python开发培训、大数据培训、web前端开发培训、python培训、人工智能培训等IT培训服务，黑马程序员是传智教育（股票代码003032）旗下高端IT教育品牌，致力于培养中级程序员，是业内以口碑闻名的IT培训机构。
Key services
Java培训, Python培训, 大数据培训, 人工智能培训, 鸿蒙开发培训, 软件测试培训, 前端开发培训, 跨境电商运营培训, AI设计, 新媒体+短视频直播运营
Content quality
excellent
Branding
consistent

Technology

Stack
jQuery, Swiper.js, SuperSlide, Baidu Analytics, Zhuge Analytics, 7moor live chat, HTML5, CSS3, JavaScript
Platforms
PC, Mobile (redirect to m.itheima.com)
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
80/100
Good practices seen
  • HTTPS enforced
  • No exposed sensitive data in HTML
  • Use of reputable analytics and chat services

Analytics and tracking

Services
Baidu Analytics, Zhuge Analytics
Tracking level
moderate
Privacy practices
basic

Advertising

Tracking pixels
Baidu Analytics, Zhuge Analytics
Marketing tools
7moor live chat
Transparency
basic

Site quality

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

Key observations

  1. Website is a professional IT education and training platform with extensive course offerings.
  2. Strong branding and consistent design aligned with parent company '传智教育'.
  3. Multiple campus locations with physical addresses and VR tours.
  4. Rich content including teacher profiles, student showcases, news, and partnerships.
  5. Use of modern web technologies and analytics tools.
  6. No evidence of adult or inappropriate content.
  7. No detected WAF or blocking mechanisms.
  8. WHOIS data unavailable, which is unusual but not necessarily suspicious given the business scale.
Technical notes

Notes

The website employs a traditional but effective technology stack centered on jQuery, Swiper.js, and SuperSlide for UI interactions, combined with Baidu and Zhuge analytics for user tracking. It supports both PC and mobile platforms with a redirect to a mobile-optimized subdomain. The site is well-structured with clear navigation and rich multimedia content, including VR campus tours and video showcases. Performance is moderate, with potential for optimization in loading times and accessibility features. No CMS is explicitly detected, suggesting a custom or proprietary platform. The technical implementation supports the business goals effectively but could benefit from modernization and enhanced accessibility compliance.
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. 62/100Medium34 findingsView report
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