The Cyber Exposure Score is a published 0–100 formula built only from publicly observable signals. How this is calculated.
This domain scores better than 29% of the 111 Education organisations we track (cohort median 78). The sample is seeded from public incident data, not a random cross-section of the sector.
Posture summary
Email authentication
SPF ✓ ~all DMARC ✗ DKIM ✗ DNSSEC ✗DNS hygiene
3 nameservers CAA ✗ IPv6 ✓Web & transport hygiene
HTTPS redirect ✓ HSTS ✗ CSP ✗ 3 third-party scripts, 3 without an integrity hash no mixed content security.txt ✗TLS / certificate
TLS TLSv1.3 166d to expiry TLS 1.0/1.1 not acceptedSoftware age
no server software version visible to compareno JavaScript library version visible to compareInternet exposure
11 open ports 0 KEVBreach metadata
0 public breaches on safepay leak siteDomain & hosting
6 public hostnames AS24940 · HETZNER-AS Hetzner Online GmbH no blocklist hitsAlso analysed: www.sportschule-steinbach.de
sportschule-steinbach.de sends visitors to www.sportschule-steinbach.de. Same registered domain, so the mail, DNS, lookalike and breach findings above apply to it unchanged; these are its own website checks.
score 73/100 · fair TLS TLSv1.3 166d to expiry HTTPS redirect ✓ HSTS ✗ CSP ✗ 11 open ports 0 KEVRansomware leak-site listings (1)
This domain is named on the public leak site of a ransomware group. A leak-site post is a claim published by the group — not a verified fact, and not a statement by this organization. Groups list victims who did not pay, overstate what they hold, and occasionally name the wrong company. What is certain is that the listing itself is public.
| Group | Listed | Sector |
|---|---|---|
| safepay | 2026-11-04 | Education |
Leak-site postings are collected here from 2026-07-30 onwards; an earlier listing would not appear above.
Source: Ransomware.live
Public attack surface (6 hostnames in Certificate Transparency)
Hostnames this organization published in public TLS certificates. Passive OSINT — nothing was scanned.
From the names alone: 1 remote access or sign-in, 0 admin tools, 1 non-production.
The hostname inventory — which forgotten hosts exist and where — is part of the complete audit for this domain.
Recommendations
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highEnforce DMARC
No enforcing DMARC policy was observed. Publish a DMARC record and move to p=quarantine then p=reject to reduce spoofing.
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mediumEnable DKIM
No DKIM record was found on common selectors. Enable DKIM signing.
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mediumEnable DNSSEC
DNSSEC signing was not detected for this domain.
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criticalTreat data published on a leak site as disclosed
This domain is named on safepay's public leak site on 2026-11-04. A leak-site post is a claim published by the group, not a verified fact — but the post itself is public, and if it is accurate the data is already out. Confirm the claim, then work from the assumption of disclosure: rotate every credential that touched the affected systems, invalidate active sessions, and check your notification duties under GDPR Art. 33/34.
Sources: Ransomware.live · Have I Been Pwned (CC BY 4.0) · Shodan InternetDB · CISA KEV catalog · NVD · FIRST EPSS · CVSS-BT
This product uses the NVD API but is not endorsed or certified by the NVD.
Refresh this report
Run a fresh free report for sportschule-steinbach.de: live results, every fix in priority order and a PDF to share. The complete audit adds the evidence and the full lists behind each finding.
Open the free reportAll information is aggregated from public sources for awareness only and does not constitute an accusation or a security assessment. No personal data or credentials are published.