First Light Fusion · Energy · United Kingdom
Medium risk. 5 critical or high findings in Security headers, SSL/TLS and 1 other check.
First Light Fusion is a UK-based company specializing in inertial fusion energy technology, aiming to accelerate the commercialization of clean and limitless fusion power. The company positions itself as a leader in the UK fusion sector with proven technology validated on major research platforms. Their business model focuses on advanced target design and partnership-led development to reduce complexity and power requirements of fusion plants. The website reflects a professional and consistent brand image targeting energy sector stakeholders, scientific communities, and potential partners. Technically, the website is built on WordPress with modern plugins such as Yoast SEO and Slider Revolution, and integrates analytics tools like Google Analytics and HubSpot. The site is moderately performant, mobile-optimized, and SEO-friendly, though accessibility features are basic. Security posture is good with HTTPS enabled and domain transfer protections, but lacks DNSSEC and security headers. Privacy compliance is weak due to missing privacy and cookie policies. Security evaluation shows no critical vulnerabilities or WAF blocking. However, the absence of explicit security policies, incident response contacts, and vulnerability disclosure mechanisms indicates room for improvement in security transparency and compliance. Overall, the domain registration data aligns well with the business profile, supporting legitimacy and trustworthiness. Strategic recommendations include implementing comprehensive privacy and cookie policies, enabling DNSSEC, publishing security and incident response policies, and enhancing security headers to strengthen the security posture and compliance standing.
Scanned
NIS2 Art. 21(2)
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.
5 findings rated critical or high. Fix these first.
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.
Forces HTTPS connections
What to do: Add "Strict-Transport-Security: max-age=31536000; includeSubDomains; preload"
Prevents clickjacking attacks
What to do: Add "X-Frame-Options: DENY" or "X-Frame-Options: SAMEORIGIN"
TLS encrypts the connection and proves the site is really yours. Weak or expiring certificates trigger browser warnings and put traffic at risk.
Server supports weak protocols: TLSv1.1
What to do: Disable TLS 1.0, TLS 1.1, and all SSL versions
SSL certificate expires in 29 days
What to do: Renew SSL certificate before expiration
Services reachable from the internet are the first thing attackers probe. Anything open that does not need to be should be closed.
Port 21 (FTP) is publicly accessible - FTP - Often unencrypted file transfer
What to do: Consider restricting access to FTP or implementing strong authentication
Need hands-on remediation? Email guard@offseq.com
This scan found 22 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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Each check with its score, findings and the evidence it collected.
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
Not counted
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.
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
Leaked credentials and lookalike domains from OffSeq Breach. The counts are free; the detailed lists are paid add-ons.
Leaked records that mention firstlightfusion.com, from OffSeq Breach.
No leaked records found
Breach holds no records for firstlightfusion.com right now. New leaks arrive continuously, so monitoring on Breach alerts you if that changes.
Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.
Automated reading of the public site. Ratings are indicative.
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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