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Security report for b.link

BL.INK · Technology · N/a

Partial score · DNS & email only

75/100

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

BL.INK operates as a technology company providing URL shortening and link management services primarily targeting business users and marketers. The website analyzed is a login page that leverages OAuth2 and OpenID Connect protocols for secure authentication, indicating a mature approach to user identity management. The technical infrastructure includes modern web technologies such as Bootstrap for responsive design and Amazon S3 for asset hosting, reflecting a contemporary SaaS platform. Security measures include a Content Security Policy and HTTPS usage, though additional headers could enhance protection. The absence of WHOIS data suggests privacy protection, common in technology services, but reduces transparency. Overall, the site presents a professional and secure interface suitable for its business model.

Scanned

NIS2 and GDPR posture

GDPR outside view
53/ 100 · Medium
Checks completed
6of 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

4 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

  2. Email security

    SPF, DKIM and DMARC stop others sending email that looks like it comes from your domain, a common route to phishing and invoice fraud.

  3. 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.

    • High

      Weak SSL Key Length

      SSL certificate uses 256-bit key, which is considered weak

      What to do: Use at least 2048-bit RSA or 256-bit ECC key

      • CWE-326
      • OWASP A04:2025
      • Mozilla TLS: Mozilla Server Side TLS 6.0 intermediate: rsa_key_size 2048

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Keep watching b.link

This scan found 15 issues across 5 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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Recommended

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  • 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
75
Email security
72
DNS health
80
Network security
100
GDPR outside view
53
Average
76
After the cap
75

Not counted

  • Security headers: did not complete in this scan.
  • 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

BL.INK positions itself as a specialized SaaS provider in the link management sector, offering services like URL shortening and tracking. The business model relies on subscription or usage-based revenue streams targeting marketers and enterprises needing link analytics. The platform integrates with OAuth2 identity providers, enhancing security and user experience. The lack of public WHOIS data is typical for tech companies prioritizing privacy. The company appears to maintain a consistent brand and user interface, supporting a medium-sized enterprise profile within the technology industry. No direct contact or policy information is available on the login page, suggesting these may be located elsewhere or behind authentication.

Security posture

The security posture of the website is solid with HTTPS enforced and a restrictive Content Security Policy in place. The use of OAuth2 with OpenID Connect scopes indicates adherence to modern authentication standards. However, the site lacks several common security headers such as Strict-Transport-Security, X-Frame-Options, and X-Content-Type-Options, which could improve defense against clickjacking and MIME sniffing attacks. No vulnerabilities or exposed sensitive data were detected in the analyzed content. The absence of privacy and cookie policies on this page is a compliance gap. Overall, the security maturity is good but could benefit from additional header implementations and visible compliance documentation.

Recommendations

  1. Implement and expose a comprehensive privacy policy and cookie consent mechanism to improve compliance and user trust.
  2. Add security headers such as Strict-Transport-Security, X-Frame-Options, and X-Content-Type-Options to enhance protection.
  3. Publish WHOIS or domain registration information where possible to increase transparency and trustworthiness.
  4. Conduct regular security audits to ensure no vulnerable libraries or exposed sensitive data exist.
  5. Enhance accessibility features and SEO metadata to improve user experience and discoverability.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
BL.INK
Description
BL.INK is a URL shortening and link management service provider.
Key services
URL shortening, Link tracking, Link management
Content quality
good
Branding
consistent

Technology

Stack
Auth0 (authentication), Bootstrap (CSS framework), Google Fonts, Amazon S3 (logo hosting), OAuth2 protocol
Frameworks
Bootstrap
Platforms
Web
Performance
moderate
Mobile
good
Accessibility
basic
SEO
basic

Security

Observed score
85/100
Good practices seen
  • Use of OAuth2 with OpenID Connect scopes
  • Content Security Policy restricting sources
  • No object-src allowed
  • No inline object embedding

Analytics and tracking

Services
Google Tag Manager
Tracking level
moderate
Privacy practices
poor

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 login page for BL.INK link management service
  2. Uses OAuth2 with OpenID Connect scopes for authentication
  3. No WHOIS data available, indicating privacy protection or registry limitations
  4. No contact or policy pages linked on this login page
  5. Content is professional and consistent with a SaaS technology provider
  6. Security headers are minimal but present
  7. No signs of malware or phishing detected
  8. External resources mostly from trusted domains
  9. No explicit or adult content detected
Technical notes

Notes

The website uses a modern tech stack including Bootstrap for responsive design and Auth0 for authentication, indicating a well-architected SaaS platform. Hosting assets on Amazon S3 and using Google Fonts and Google Tag Manager are standard practices. The site is mobile optimized with good navigation clarity. Performance is moderate, likely due to external resource loading. The HTML and CSS are valid and well-structured, though some accessibility improvements could be made. The lack of CMS detection suggests a custom or proprietary platform. Overall, the technical implementation supports a professional and scalable service offering.
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

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