Skip to main content

Security report for bithumb.com

빗썸(Bithumb) · Finance · South Korea

Medium risk. 8 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

60/100

Risk levelMedium

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

Bithumb is a leading South Korean cryptocurrency exchange platform offering a wide range of services including cryptocurrency trading, price checking, automated trading, and staking. The website is professionally designed with consistent branding and targets a general audience interested in digital asset trading. The platform leverages modern web technologies such as React and integrates multiple analytics and marketing tools to optimize user engagement and business intelligence. Technically, the website demonstrates a mature digital infrastructure with a moderate performance profile and basic mobile optimization. The use of a strict Content-Security-Policy header and HTTPS indicates a strong security posture, although the presence of 'unsafe-inline' and 'unsafe-eval' in the CSP reduces its effectiveness. The site employs various tracking pixels and ad networks, reflecting an extensive user tracking approach. From a security perspective, the site follows several best practices but could improve by tightening CSP rules and adding additional security headers. The absence of privacy and cookie policies in the analyzed content is a compliance gap. The WHOIS data is missing or inconsistent, which raises concerns about domain legitimacy, although the website content and branding strongly suggest it is the official Bithumb platform. Overall, the site scores well on business credibility and security posture but should address privacy compliance and WHOIS transparency to enhance trust and regulatory adherence.

Scanned

NIS2 and GDPR posture

GDPR outside view
35/ 100 · High
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

8 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 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 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

    • 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 bithumb.com

This scan found 27 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
57
Security headers
25
Email security
70
DNS health
75
Network security
100
GDPR outside view
35
Average
60

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

Bithumb holds a strong market position as one of South Korea's premier cryptocurrency exchanges. Its business model centers on providing a secure and user-friendly platform for digital asset trading and related financial services. The company targets retail and institutional investors interested in cryptocurrencies. Revenue streams likely include trading fees, staking services, and possibly automated trading subscriptions. The presence of official social media channels and integration with major analytics and marketing platforms indicates a sophisticated partnership and marketing ecosystem. However, the lack of visible privacy and terms of service pages may impact user trust and regulatory compliance. The missing WHOIS data is unusual for a company of this scale and warrants further investigation.

Security posture

The website demonstrates a moderate to strong security posture with HTTPS enforced and a comprehensive Content-Security-Policy header. However, the inclusion of 'unsafe-inline' and 'unsafe-eval' weakens CSP effectiveness and could expose the site to cross-site scripting risks. Additional security headers such as X-Frame-Options and Referrer-Policy are not detected, representing an area for improvement. No sensitive data exposure or vulnerable libraries were identified in the provided content. The extensive use of third-party analytics and advertising scripts increases the attack surface and necessitates vigilant monitoring. The absence of a public vulnerability disclosure or incident response policy reduces transparency and preparedness. Overall, the site is secure but could enhance defenses and compliance.

Recommendations

  1. Remove or minimize the use of 'unsafe-inline' and 'unsafe-eval' in the Content-Security-Policy to strengthen protection against XSS attacks.
  2. Publish comprehensive privacy and cookie policies to improve GDPR compliance and user trust.
  3. Add additional security headers such as X-Frame-Options, X-XSS-Protection, and Referrer-Policy to enhance security posture.
  4. Clarify domain registration details and ensure WHOIS information is accurate and publicly available to improve legitimacy and trust.
  5. Establish and publicize a vulnerability disclosure and incident response policy to demonstrate security maturity and transparency.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
빗썸(Bithumb)
Description
쉽고 안전한 가상자산 플랫폼 빗썸은 비트코인, 이더리움, 리플 등 가상자산 거래와 코인시세 확인, 자동매매, 스테이킹 등 다양한 가상자산 서비스를 제공합니다.
Key services
cryptocurrency trading, coin price checking, automated trading, staking services
Content quality
good
Branding
consistent

Technology

Stack
React, Amplitude Analytics, Google Tag Manager, Facebook Pixel, TikTok Pixel, Twitter Universal Website Tag, Criteo, BoomeRang (Akamai), Naver Analytics
Frameworks
React
Platforms
Web
Performance
moderate
Mobile
basic
Accessibility
basic
SEO
good

Security

Observed score
75/100
Good practices seen
  • Strict Content-Security-Policy with multiple trusted domains
  • HTTPS enforced
  • No inline scripts without nonce but allows 'unsafe-inline' and 'unsafe-eval' which is a moderate risk
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Google Analytics, Amplitude, Naver Analytics, Facebook Analytics, TikTok Analytics, Twitter Analytics
Tracking level
extensive
Privacy practices
basic

Advertising

Ad networks
Criteo, Twitter Ads
Tracking pixels
Facebook Pixel, TikTok Pixel, Twitter Universal Website Tag, Amplitude Analytics
Marketing tools
Amplitude, Appsflyer
Transparency
good

Site quality

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

Key observations

  1. Website is fully accessible with no WAF or blocking detected.
  2. Content is professional and consistent with a major cryptocurrency exchange.
  3. WHOIS data is missing or domain appears unregistered, which is unusual for a major business.
  4. Strong use of modern web technologies and analytics/tracking tools.
  5. Security headers are present but CSP could be improved by removing unsafe-inline and unsafe-eval.
  6. No privacy, cookie, or terms of service pages detected in the provided HTML content.
  7. Contact phone number is provided in structured data but no email addresses found.
  8. Multiple external domains used for analytics, ads, and CDN services.
  9. No explicit adult or NSFW content detected; content is safe for general audiences.
Technical notes

Notes

The website is built on a modern React framework with a modular JavaScript architecture. It integrates multiple third-party analytics and marketing tools including Amplitude, Google Analytics, Facebook Pixel, TikTok Pixel, and Twitter tags, indicating a data-driven approach to user engagement. Hosting appears to leverage Akamai CDN services for performance and reliability. The site uses a strict Content-Security-Policy but allows unsafe script execution methods, which is a technical debt. Performance is moderate with deferred script loading and caching headers set to prevent stale content. Mobile optimization is basic but present. SEO is supported by comprehensive meta tags and Open Graph data. Accessibility features are minimal but some are present. Overall, the technical implementation is solid but has room for security and compliance 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 bithumb.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 bithumb.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.