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ISO 27001 audit-sicher fuer Unternehmen - Open ISMS — 18 websites ranked by shared content topics, category and on-page relevance.

Each result shows its full tech stack, contacts and AI-policy — not just a name · Browse all sites in Information And Network Security →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
coretress.de ↗	68 match 2 shared topics	IT-Sicherheit Köln Mittelstand für jedes Unternehmen	Germany de	information-and-network-security WordPress	robots llmsaihumans	emailphone	none
ascon-informationssicherheit.de ↗	67 match 2 shared topics	ascon Informationssicherheit – IT-Sicherheit im Unternehmen	Germany de	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
datacenterbaar.com ↗	66 match 2 shared topics	CONVOTIS - Skalierbare & sichere IT-Lösungen für Unternehmen	de	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
ag-it-sicherheit.de ↗	65 match 2 shared topics	AG IT-Sicherheit	Germany de	information-and-network-security	robotsllmsaihumans	emailphone	none
infinityisms.com ↗	64 match 2 shared topics	InfinityISMS – IT-Sicherheit als planbarer Umsatzkanal für MSPs	de	information-and-network-security	robotsllmsaihumans	emailphone	none
fast-viewer.com ↗	63 match 2 shared topics	PORTFORMANCE: IT-Sicherheit & Managed Security Services	Germany~ de	information-and-network-security Webflow	robotsllmsaihumans	emailphone	none
cloudtelefon.de ↗	63 match 2 shared topics	PORTFORMANCE: IT-Sicherheit & Managed Security Services	Germany de	information-and-network-security Webflow	robotsllmsaihumans	emailphone	none
cyberangriff-verhindern.de ↗	63 match 2 shared topics	PORTFORMANCE: IT-Sicherheit & Managed Security Services	Germany de	information-and-network-security Webflow	robotsllmsaihumans	emailphone	none
cyberangriffe-verhindern.de ↗	63 match 2 shared topics	PORTFORMANCE: IT-Sicherheit & Managed Security Services	Germany de	information-and-network-security Webflow	robotsllmsaihumans	emailphone	none
cyberattacke-verhindern.de ↗	63 match 2 shared topics	PORTFORMANCE: IT-Sicherheit & Managed Security Services	Germany de	information-and-network-security Webflow	robotsllmsaihumans	emailphone	none
cyberattacken-verhindern.de ↗	63 match 2 shared topics	PORTFORMANCE: IT-Sicherheit & Managed Security Services	Germany de	information-and-network-security Webflow	robotsllmsaihumans	emailphone	none
darksecurity.de ↗	63 match 2 shared topics	Cybersicherheit für KMU \| Stefan Schurtz IT-Sicherheit – Deutschland	Germany de	information-and-network-security Wix	robots llmsaihumans	emailphone	none
csb-it.net ↗	62 match 2 shared topics	Sicherheit und Effizienz in der IT \| CSB GmbH	de	information-and-network-security WordPress WooCommerce	robotsllmsaihumans	emailphone	none
csb-it.org ↗	62 match 2 shared topics	Sicherheit und Effizienz in der IT \| CSB GmbH	de	information-and-network-security WordPress WooCommerce	robotsllmsaihumans	emailphone	none
ask-informationssicherheit.de ↗	62 match 2 shared topics	a.s.k. Informationssicherheit Sascha Kuhrau	Germany de	information-and-network-security WordPress	robotsllmsaihumans	email phone	none
datasystems.de ↗	62 match 2 shared topics	Informationssicherheit und Datenschutz mit DS DATA SYSTEMS	Germany de	information-and-network-security WordPress WooCommerce	robotsllmsaihumans	emailphone	none
chefsache-cybersecurity.de ↗	61 match 2 shared topics	HEGO IT – Fortschritt nur mit sicheren Geschäftsprozesse	Germany de	information-and-network-security WordPress	robotsllmsaihumans	email phone	none
cybervize.de ↗	61 match 2 shared topics	Cybervize \| vCISO & Interim CISO für den Mittelstand	Germany de	information-and-network-security Sanity	robots llmsaihumans	emailphone	partial · 9

How the match score works

Each match is a 0–100 similarity score — the higher it is, the more two sites resemble one another. It’s computed automatically from our own crawl data (never from what a site says about itself) by combining several independent signals, so a high score means several of them point the same way:

shared topics how many of the same fine‑grained content topics (IAB sub‑categories) both sites cover — the main signal.
same category whether they sit in the same business / industry category.
content & title how closely their titles and page descriptions line up in wording and meaning.

No single signal decides the result — they’re blended together. Treat the score as a way to rank candidates rather than an absolute percentage; the chips on each result show which signals contributed.