Skip to main content

Security report for nowcoder.com

牛客网 · Technology · China

Medium risk. 6 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

66/100

Risk levelMedium

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

牛客网 is a prominent Chinese online platform specializing in job preparation, interview experience sharing, and recruitment services. It targets job seekers, students, and IT professionals by providing a comprehensive suite of services including coding practice, company-specific interview questions, AI simulated interviews, and professional learning courses. The platform enjoys a strong market position in the Chinese technology and education sectors, serving a large user base with consistent branding and quality content. Technically, the website leverages modern frontend technologies such as Vue.js, Element UI, and Tailwind CSS, delivering a responsive and user-friendly experience. SEO practices are well implemented, and the site performs moderately well in terms of speed and accessibility. However, some accessibility features could be improved. From a security perspective, the site uses HTTPS and follows basic best practices but lacks visible security headers and explicit privacy and cookie policies. No critical vulnerabilities were detected in the content analyzed. The absence of WHOIS registrant data slightly impacts trust but does not detract significantly from the platform's legitimacy given its active business presence. Overall, 牛客网 presents a solid digital presence with room for improvement in privacy compliance and security hardening. Strategic enhancements in these areas would strengthen user trust and regulatory adherence.

Scanned

NIS2 and GDPR posture

GDPR outside view
53/ 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

6 findings rated critical or high. Fix these first.

  1. 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';…

  2. 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 nowcoder.com

This scan found 24 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
67
Security headers
35
Email security
70
DNS health
70
Network security
100
GDPR outside view
53
Average
66

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

牛客网 operates as an essential entity in the technology and education sectors, focusing on job market preparation and recruitment facilitation. Its business model revolves around providing value-added services such as coding challenges, interview simulations, and curated job postings. The platform's partnerships with companies like 京东, OPPO, and 米哈游 indicate strong industry connections and a robust ecosystem. Revenue streams likely include premium courses, recruitment services, and enterprise HR solutions. The target customer segments are primarily young professionals and students seeking employment in IT and related fields. Growth indicators include active job postings, AI interview tools, and a vibrant user community. The platform's strategic partnerships and diversified service offerings position it well for sustained market relevance.

Security posture

The website demonstrates a moderate security maturity level with HTTPS enforced and no evident exposure of sensitive data. However, the lack of security headers such as Content-Security-Policy and X-Frame-Options suggests potential areas for improvement. Privacy compliance is minimal, with no explicit privacy or cookie policies detected, which could pose regulatory risks under GDPR or similar frameworks. Incident response and vulnerability disclosure mechanisms are not evident, indicating limited readiness for security incidents. The use of modern frameworks reduces some risk, but continuous monitoring and policy enhancements are recommended to elevate security posture and compliance.

Recommendations

  1. Implement comprehensive privacy and cookie policies with clear user consent mechanisms to enhance GDPR compliance.
  2. Add essential security headers (Content-Security-Policy, X-Frame-Options, X-Content-Type-Options) to mitigate common web vulnerabilities.
  3. Establish and publicize incident response and vulnerability disclosure procedures to improve security transparency and readiness.
  4. Enhance accessibility features to improve user experience for all users, including those with disabilities.
  5. Regularly audit third-party scripts and dependencies to identify and remediate potential security vulnerabilities.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
牛客网
Description
求职之前，先上牛客，就业找工作一站解决。互联网IT技术/产品/运营/硬件/汽车机械制造/金融/财务管理/审计/银行/市场营销/地产/快消/管培生等等专业技能学习/备考/求职神器，在线进行企业校招实习笔试面试真题模拟考试练习，全面提升求职竞争力，找到好工作，拿到好offer。
Key services
online coding practice, company real interview and test questions, AI simulated interviews, job recruitment and internship referrals, professional courses and learning
Content quality
good
Branding
consistent

Technology

Stack
JavaScript, Vue.js, Element UI, Tailwind CSS
Frameworks
Vue.js
Platforms
Web
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
75/100
Good practices seen
  • HTTPS enabled
  • No exposed sensitive data detected

Analytics and tracking

Tracking level
moderate
Privacy practices
basic

Advertising

Transparency
basic

Site quality

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

Key observations

  1. Website is a Chinese job preparation and recruitment platform with rich content and active user engagement.
  2. No explicit privacy or cookie policies found on the homepage HTML content.
  3. No direct contact emails or phone numbers found in the analyzed content.
  4. Multiple external domains related to sub-services and partners are linked.
  5. No WAF or blocking mechanisms detected; site content is fully accessible.
  6. WHOIS data is missing or unavailable, limiting domain trust verification.
  7. Site uses modern frontend technologies and good SEO practices.
  8. No adult or NSFW content detected; content is safe for general audiences.
Technical notes

Notes

The website is built on a modern JavaScript stack with Vue.js and Element UI, complemented by Tailwind CSS for styling. The use of asynchronous script loading and resource preloading indicates attention to performance optimization. DNS prefetching is used for key static and service domains, improving load times. The site is mobile-optimized with responsive design elements. SEO is supported by well-structured meta tags and Open Graph data. However, the absence of a detected CMS suggests a custom or proprietary platform. Hosting details are not explicit, but the presence of static content delivery domains suggests CDN usage. Overall, the technical infrastructure is solid but could benefit from enhanced security configurations and accessibility improvements.
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

Reviews of this site

Share your experience with nowcoder.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 nowcoder.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.