Trusted but Verify
Current checks lean positive for this site, supported by no major malware/phishing detections and a verified LinkedIn page linked to this domain, though a basic verification step is still sensible.
Trust signal radarNormalized trust signals for cdsec.co.ukDomain Maturity: 2132 daysDomain MaturityWarning Cleanliness: 0 detectionsWarningCleanlinessSafety Level: 0 negative tagsSafetyLevelPositive Signals: 3 positive signalsPositiveSignalsPopularity: Estimated from social profiles: LinkedInPopularityTrust Zone: .co.ukTrust ZoneOperational Signals: 1 detected servicesOperationalSignalsLocation Credibility: Hosting country USLocation Credibility
Figure 1. Trust signal radar for cdsec.co.uk. Larger shaded area indicates stronger trust signals.
This domain was registered December 25, 2020 at 10:00 PM through the company Team Blue Internet Services UK Limited t/a Team Blue Internet Services Limited t/a LCN [Tag = LCN]
and ownership information is not publicly available.
Complaint contact not found.
About cdsec.co.uk
We reviewed cdsec.co.uk and found mostly positive signals. Current checks lean toward a legitimate, lower-risk profile, although a few caution points still keep it short of a fully verified standing. The current trust score is 79/100. Key signals include no major malware/phishing detections and a domain age of 5.8 years. Verify key details before sharing personal information or relying on the site for important actions.
FAQ
Is cdsec.co.uk safe?
Based on current analysis, cdsec.co.uk appears to be generally safe. No major malware or phishing threats were detected, and a domain age of 5.8 years support this assessment. Basic verification is still reasonable before relying on the site.
Why does cdsec.co.uk look trustworthy?
Key factors include registrar information (Team Blue Internet Services UK Limited t/a Team Blue Internet Services Limited t/a LCN [Tag = LCN]), hosting in US, and content related to cybersecurity tools for malware and phishing defense. Major malware and phishing engines did not report active blacklist detections at the time of review. The trust score blends security detections, domain and infrastructure signals, and on-page behavior patterns. Taken together, these factors support a mostly positive trust assessment, although routine verification is still reasonable.
Cdsec Digital Footprints
A structured view of the site's detected themes, page signals, and related online footprint elements.
Cybersecurity
React Platform
This website is built using React, a popular JavaScript library for creating interactive user interfaces.
Cloudflare Browser Insights
This website is proxied through Cloudflare's CDN/network and has Cloudflare Browser Insights enabled.
Webpack Module Bundler
Next.js Framework
Social Media Links
The presence of social media links on the website indicates that it references social media accounts. This signal alone does not confirm ownership or authenticity of those profiles.
Verified LinkedIn Page
Ownership verification confirms that this site controls the LinkedIn page Closed Door Security (3,076 followers, 16 LinkedIn employees, company size 11-50 employees, founded 2015, industry: Computer and Network Security, headquarters: Stornoway, Eilean Siar).
Long Term Domain
This site is registered for an extended period, which is generally a positive continuity signal.
Established Domain
cdsec.co.uk has maintained active domain presence over time, indicating operational continuity.
Domain Information
CreatedDecember 25, 2020 at 10:00 PMUpdated: July 1, 2025 at 9:00 PM · Expires: December 25, 2027 at 10:00 PM
Domain Age5.8 years
RegistrarTeam Blue Internet Services UK Limited t/a Team Blue Internet Services Limited t/a LCN [Tag = LCN]
Domain StatusRegistered Until Expiry Date.
Top Level Domain.co.ukDomain Extension
Technical Details
HTTP status307
IP Address104.21.36.106
Hosting ProviderAS13335 Cloudflare, Inc.US
NetworkAS13335 - Cloudflare, Inc.
SSL CertificateWE1TLSv1.3 · Valid for: 3 months · from September 12, 2026 at 2:18 PM · to December 11, 2026 at 3:17 PM
Name Serversrachel.ns.cloudflare.com toby.ns.cloudflare.com
Content from the analyzed website
Quoted for security analysis. These statements belong to the source website and are not endorsed by Gridinsoft.
Original page titleClosed Door Security | Penetration Testing & Cybersecurity Experts
Original descriptionLeading cybersecurity consultancy providing penetration testing, security assessments, and compliance services. Founded 2019 in Scotland with global reach. CREST certified experts.
Primary Language
Profile
Closed Door Security
· 3,076 followers
· founded 2015
· Computer and Network Security
· size 11-50 employees
Verified ServicesThis domain has been verified by the following legitimate services and organizations, confirming authentic ownership and proper email security configuration.
Google Verification
Domain ownership verified by Google.
Security FingerprintUnique identifier based on site analysis
If you own Cdsec.co.uk and want to challenge the trust score, please submit a review request via portal.gridinsoft.com. There you can claim your profile and add verified company/contact details. If you cannot access the portal, email legal(at)gridinsoft.com with proof of legitimacy and contact details. We never charge website owners for reviews or reconsideration requests. For more information, please review our Disclaimer.
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Help protect others by sharing this page on social media! The more people who know about cdsec.co.uk, the fewer chances they have to deceive someone else.Help others evaluate cdsec.co.uk by sharing this page on social media!
Help protect others by sharing this page on social media! The more people who know about cdsec.co.uk, the fewer chances they have to deceive someone else. Help others evaluate cdsec.co.uk by sharing this page on social media!