Ten Bosch Montageservice Haarlem · Energy · Netherlands
High risk. 5 critical or high findings in Network security, GDPR outside view and 1 other check.
Ten Bosch Montageservice Haarlem is a small Dutch company specializing in the installation and advisory of sustainable heating and cooling systems, including underfloor heating, wall heating, ceiling heating, cooling, and shower heat recovery systems. The company targets installers, contractors, and private individuals primarily in the Haarlem region. The website is built on WordPress using modern plugins such as Yoast SEO and WPBakery Page Builder, indicating a moderate level of digital maturity. The site is well-structured, mobile-optimized, and provides clear contact information, enhancing user experience and business credibility. Security posture is adequate with HTTPS enabled and no visible vulnerabilities, but lacks advanced security headers and explicit incident response policies. Privacy compliance is basic with a privacy policy present but no cookie consent mechanism. Overall, the website is professional and trustworthy with room for security and compliance improvements.
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.
Services reachable from the internet are the first thing attackers probe. Anything open that does not need to be should be closed.
Port 23 (Telnet) is publicly accessible - Telnet - Unencrypted remote access
What to do: Immediately restrict access to Telnet using firewall or VPN
Port 3306 (MySQL) is publicly accessible - MySQL - Database server
What to do: Immediately restrict access to MySQL using firewall or VPN
Port 21 (FTP) is publicly accessible - FTP - Often unencrypted file transfer
What to do: Consider restricting access to FTP or implementing strong authentication
These are the privacy signals visitors and data protection authorities look for under GDPR.
GDPR requires explicit consent for non-essential cookies
What to do: Implement a cookie consent banner that appears on first visit
TLS encrypts the connection and proves the site is really yours. Weak or expiring certificates trigger browser warnings and put traffic at risk.
SSL certificate uses 384-bit key, which is considered weak
What to do: Use at least 2048-bit RSA or 256-bit ECC key
Need hands-on remediation? Email guard@offseq.com
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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 tenboschmontageservice.nl, from OffSeq Breach.
No leaked records found
Breach holds no records for tenboschmontageservice.nl 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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