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Security report for siteground.co.uk

SiteGround · Technology · United Kingdom

Partial score · DNS & email only

75/100

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

SiteGround is a large, well-established web hosting provider focused on delivering ultrafast, secure hosting solutions primarily for small to medium businesses, WordPress, and WooCommerce users. The company emphasizes AI-driven innovations to enhance performance, security, and scalability, supported by a global infrastructure and a strong customer support team. Their market position is reinforced by a large customer base of over 3 million domains and high customer satisfaction ratings. Technically, the website leverages modern cloud infrastructure, JavaScript-based tracking, and cookie consent mechanisms, but currently suffers from an invalid SSL certificate and lack of modern TLS protocols, which are critical security weaknesses. Security headers and cookie settings demonstrate good security practices, but the absence of a published security policy, incident response contacts, and vulnerability disclosure mechanisms indicate room for improvement in transparency and security maturity. Overall, the website is professionally designed with excellent user experience and SEO optimization, targeting a global audience with multiple regional domains and language support.

Scanned

This is an earlier scan of siteground.co.uk. View the latest report
3 of 7 checks could not complete. The site may be unreachable or blocking automated scans, so the results below cover only what could be checked. Try a rescan later.

NIS2 and GDPR posture

NIS2 outside view
Not assessed
GDPR outside view
Not assessed

Both readouts depend on the site's pages, which could not be loaded in this scan.

Priority findings

No critical or high findings. These medium findings are worth fixing next.

  1. 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.

    • Medium

      DMARC not enforcing

      DMARC policy is set to "none"

      What to do: Gradually move to "quarantine" then "reject" policy

  2. DNS health

    DNS sends visitors and email to the right servers. Misconfigured records can cause outages or let someone redirect your traffic.

    • Medium

      DNSSEC Not Enabled

      DNSSEC is not configured for this domain

      What to do: Enable DNSSEC to prevent DNS spoofing attacks

      • CAPEC-142
      • RFC 4033
      • RFC 4035

Keep watching siteground.co.uk

This scan found 5 issues across 4 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

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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
97
Email security
90
DNS health
85
Network security
100
Average
93
After the cap
75

Not counted

  • Security headers: did not complete in this scan.
  • GDPR outside view: 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

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 siteground.co.uk, from OffSeq Breach.

Total records
2,106
Employees
0
Customers
2,106
Third parties
0
Weak passwords
7%

5 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 siteground.co.uk.

Select it in the checkout above.

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

Technical appendix

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

Business context

Business profile

SiteGround operates in the technology sector as a web hosting and digital services provider with a business model centered on subscription-based hosting plans and value-added services such as website builders and email marketing. Their competitive advantages include AI-driven platform optimizations, strong customer support with AI assistants, and a broad service portfolio covering shared, cloud, reseller, WordPress, and WooCommerce hosting. The company targets small and medium enterprises, freelancers, and agencies, with a global footprint supported by multiple regional domains. Their marketing ecosystem includes affiliate programs and extensive content resources. The company demonstrates growth through customer success stories and maintains a strong brand presence with consistent messaging and trust signals such as high Trustpilot ratings and multiple awards.

Security posture

The current security posture shows a mix of strengths and critical gaps. Positive aspects include the use of security headers like HSTS with preload, X-Frame-Options, X-Content-Type-Options, and X-XSS-Protection, secure and HttpOnly cookie flags, and bot protection via reCAPTCHA. However, the invalid SSL certificate and absence of enabled TLS protocols represent significant vulnerabilities that could expose users to man-in-the-middle attacks and data interception. The lack of a published security policy, incident response information, and vulnerability disclosure channels reduces transparency and may hinder timely vulnerability reporting and mitigation. GDPR compliance is supported by cookie consent mechanisms and a comprehensive privacy policy. Overall, the security maturity is moderate but requires urgent remediation of SSL/TLS issues and enhanced transparency.

Recommendations

  1. Renew and properly configure the SSL certificate to enable secure HTTPS connections with modern TLS protocols (TLS 1.2 and TLS 1.3).
  2. Publish a clear security policy and incident response page including contact channels for security incidents and vulnerability disclosures.
  3. Implement a security.txt file to facilitate responsible vulnerability reporting.
  4. Enhance transparency by providing data protection officer contact information and detailed data protection practices.
  5. Regularly audit and update security headers and cookie policies to maintain best practices and compliance.
Technical notes

Notes

The website is hosted on Google Cloud infrastructure using nginx web server technology. It employs modern JavaScript libraries and services such as Google Tag Manager, Cookiebot for consent management, and reCAPTCHA for bot protection. The site is optimized for performance with built-in caching and CDN usage, and supports multiple languages and regional domains. However, the invalid SSL certificate and disabled TLS protocols represent critical technical debt and security risks. The site demonstrates good mobile optimization, accessibility, and SEO practices. Opportunities exist to modernize SSL/TLS configurations, improve security transparency, and enhance incident response readiness to reduce operational risks.
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. 78/100 +3Low28 findingsView report
  2. 75/100Medium30 findingsView report
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