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defendit.de | Defend IT. Der Spezialist für Jovian DSS, Sophos XG, Proxmox, Kaspersky, IT Infrastruktur, Server Systeme, ZFS Datei Server Systeme und Sicherheit. — 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
nesec.de ↗	65 match 1 shared topics	NESEC ist Ihr Spezialist für Informationssicherheit - NESEC GmbH	Germany de	information-and-network-security TYPO3	robotsllmsaihumans	emailphone	full · 20
net-and-win.de ↗	64 match 1 shared topics	Sichere Infrastrukturen & Informationssicherheit \| SerNet	Germany de	information-and-network-security TYPO3	robotsllmsaihumans	email phone	none
netandwin.de ↗	64 match 1 shared topics	Sichere Infrastrukturen & Informationssicherheit \| SerNet	Germany de	information-and-network-security TYPO3	robotsllmsaihumans	email phone	none
sernet.de ↗	64 match 1 shared topics	Sichere Infrastrukturen & Informationssicherheit \| SerNet	Germany de	information-and-network-security TYPO3	robotsllmsaihumans	email phone	none
ser-net.com ↗	64 match 1 shared topics	Sichere Infrastrukturen & Informationssicherheit \| SerNet	de	information-and-network-security TYPO3	robotsllmsaihumans	email phone	none
sernet.ai ↗	64 match 1 shared topics	Sichere Infrastrukturen & Informationssicherheit \| SerNet	de	information-and-network-security TYPO3	robotsllmsaihumans	email phone	none
sernet.app ↗	64 match 1 shared topics	Sichere Infrastrukturen & Informationssicherheit \| SerNet	de	information-and-network-security TYPO3	robotsllmsaihumans	email phone	none
niehaus-edv.de ↗	64 match 1 shared topics	BSI - Bundesamt für Sicherheit in der Informationstechnik	Germany de	information-and-network-security	robotsllmsaihumans	email phone	none
nerosoft.de ↗	64 match 1 shared topics	NEROSOFT IT-Security: Ihr Systemhaus für IT-Sicherheit	Germany de	information-and-network-security WordPress WooCommerce	robotsllmsaihumans	emailphone	none
datadefenders.eu ↗	64 match 1 shared topics	Data Defenders - IT-Sicherheit und Datenschutz	European Union de	information-and-network-security	robotsllmsaihumans	emailphone	none
data-defenders.eu ↗	64 match 1 shared topics	Data Defenders - IT-Sicherheit und Datenschutz	European Union de	information-and-network-security	robotsllmsaihumans	emailphone	none
it-securitygroup.eu ↗	64 match 1 shared topics	IT-Security Group - Ihr kompetenter Partner für Datensicherheit und Serviceleistungen	European Union de	information-and-network-security	robotsllmsaihumans	emailphone	none
serverroom-security.com ↗	64 match 1 shared topics	Produkte für Serverraum Sicherheit - SCS FACO	de	information-and-network-security TYPO3	robotsllmsaihumans	email phone	none
meglin.dev ↗	64 match 1 shared topics	Oleg Meglin \| Security, Infrastruktur und Web Engineering	de	information-and-network-security	robotsllmsaihumans	emailphone	none
cyber-safety-link.net ↗	64 match 1 shared topics	Cyber&Data Protection LiR \| Datenschutz und IT-Sicherheit	de	information-and-network-security Weebly	robotsllmsaihumans	emailphone	none
effizert.com ↗	64 match 1 shared topics	Datenschutz und Informationssicherheit für Unternehmen \| effiZERT GmbH	de	information-and-network-security	robotsllmsaihumans	email phone	none
securepoint.at ↗	63 match 1 shared topics	IT-Sicherheit für Unternehmen - Full Service \| Securepoint	Austria de	information-and-network-security TYPO3	robotsllmsaihumans	email phone	none
secorvo.de ↗	63 match 1 shared topics	Beratung und Seminare zu Informationssicherheit und Datenschutz	Germany de	information-and-network-security	robotsllmsaihumans	email phone	none

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.