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Security report for snapcraft.io

Canonical, Ltd. · Technology · United Kingdom

Low risk. 1 critical or high finding in GDPR outside view.

Security score

81/100

Risk levelLow

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

Snapcraft, operated by Canonical Ltd., is a leading platform providing universal Linux software packages called snaps. It serves Linux users and developers by offering a secure, easy-to-use app store and packaging tools that simplify software distribution across multiple Linux distributions. The platform enjoys a strong market position supported by Canonical's reputation and extensive ecosystem including Ubuntu and other related technologies. The website is professionally designed, mobile-optimized, and rich in developer resources, reflecting a mature digital presence. Technically, the site uses modern JavaScript modules, CSS, and integrates analytics and marketing tools such as Google Tag Manager and Marketo, ensuring good performance and user tracking capabilities. Security posture is solid with HTTPS enforced and domain registration consistent with the business entity, although DNSSEC is not enabled and explicit security policies or incident response contacts are not published. Privacy compliance is well addressed with clear privacy and cookie policies and consent mechanisms. Overall, Snapcraft's website demonstrates high professionalism, trustworthiness, and technical maturity, making it a reliable resource for its target audience.

Scanned

NIS2 and GDPR posture

GDPR outside view
68/ 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

1 finding 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 Consent Banner found

      GDPR requires explicit consent for non-essential cookies

      What to do: Implement a cookie consent banner that appears on first visit

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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
85
Security headers
80
Email security
70
DNS health
80
Network security
100
GDPR outside view
68
Average
81

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 snapcraft.io, from OffSeq Breach.

Total records
309
Employees
0
Customers
309
Third parties
0
Weak passwords
9%

2 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 snapcraft.io.

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

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Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

Snapcraft operates within the technology sector, focusing on Linux software packaging and distribution. Its business model revolves around providing a centralized app store and packaging tools that enable developers to reach millions of Linux users easily. The platform benefits from Canonical's backing, leveraging strong brand recognition and partnerships with major publishers like Microsoft, Mozilla, and JetBrains. Revenue streams likely include enterprise support and services around Ubuntu and Snapcraft. The target customers are Linux developers and end-users seeking reliable software installation and updates. The presence of testimonials from industry leaders and verified publisher badges enhances credibility. The ecosystem includes related Canonical products such as Ubuntu, LXD, MAAS, and Juju, indicating a broad partnership network and integrated service offerings.

Security posture

The website enforces HTTPS and employs domain registration protections such as clientDeleteProhibited and clientTransferProhibited statuses, indicating a proactive approach to domain security. However, DNSSEC is not enabled, which is a recommended improvement to prevent DNS spoofing. No explicit security headers were detected in the provided data, suggesting room for enhancement in HTTP security headers like CSP and HSTS. The site uses secure forms with validation and anti-spam measures but lacks a publicly available security policy or vulnerability disclosure program. Incident response contact channels such as security@ or abuse@ emails are not published, which could be a gap in transparency and readiness. Overall, the security posture is good but could be strengthened by adopting additional best practices and publishing security-related policies.

Recommendations

  1. Enable DNSSEC on the snapcraft.io domain to enhance DNS security and prevent spoofing.
  2. Implement and publish a formal security policy and vulnerability disclosure page to improve transparency and trust.
  3. Add standard security HTTP headers such as Content Security Policy (CSP), HTTP Strict Transport Security (HSTS), and X-Frame-Options to harden the website against common attacks.
  4. Publish incident response contact information (e.g., security@ or abuse@ email addresses) to facilitate responsible vulnerability reporting.
  5. Regularly audit and update third-party libraries and scripts to ensure no vulnerable components are in use.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Canonical, Ltd.
Description
Snapcraft provides containerised software packages (snaps) for Linux that are simple to create, install, auto-update, and safe to run across major Linux systems without modification.
Key services
Snap Store, Snap packaging tools, Developer documentation and tutorials, App discovery and metrics
Content quality
excellent
Branding
consistent

Technology

Stack
JavaScript (ES modules), CSS, Google Tag Manager, Sentry (error tracking), LazySizes (lazy loading images), Marketo (form handling), JSON-LD structured data
Frameworks
Vite (build tool)
Platforms
Linux (target platform for snaps)
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Use of clientDeleteProhibited, clientTransferProhibited, clientUpdateProhibited domain statuses
  • No DNSSEC enabled (recommend enabling)
  • No exposed sensitive data in HTML
  • Secure forms with validation and anti-spam hidden fields

Analytics and tracking

Services
Google Analytics, Sentry
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Marketo
Marketing tools
Marketo
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 no blocking detected.
  2. Strong branding and consistent messaging aligned with Canonical and Ubuntu.
  3. Comprehensive developer resources and app store features.
  4. Use of modern web technologies and good SEO practices.
  5. Privacy and cookie policies are clearly presented with consent mechanisms.
  6. No direct company contact emails or phone numbers found; contact via form only.
  7. No explicit security policy or incident response contacts published.
  8. No DNSSEC enabled on domain; recommended for improved security.
Technical notes

Notes

The website is built using modern web technologies including ES modules, CSS, and Vite as a build tool, ensuring efficient loading and modular code. It integrates third-party services such as Google Tag Manager for analytics and Marketo for marketing automation, indicating a mature digital marketing infrastructure. Lazy loading of images is implemented via LazySizes, improving performance. The site is mobile-optimized and accessible, with semantic HTML and ARIA roles used in navigation and forms. No common CMS was detected, suggesting a custom or proprietary content management solution. Hosting appears stable and likely managed by Canonical or a trusted provider. Overall, the technical implementation supports a fast, responsive, and user-friendly experience with good SEO and accessibility 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. 81/100 +5Low24 findingsView report
  2. 76/100Low22 findingsView report
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