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Rick Grassmann | IT security — 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
openxpki.com ↗	70 match 1 shared topics	WhiteRabbit Security	de	information-and-network-security Joomla	robotsllmsaihumans	email phone	none
lutrasecurity.com ↗	68 match 1 shared topics	Lutra Security	de	information-and-network-security	robotsllmsaihumans	email phone	none
qa-sec.de ↗	68 match 1 shared topics	Quantum Security	Germany de	information-and-network-security	robotsllmsaihumans	emailphone	none
aipi.info ↗	68 match 1 shared topics	aipi - well connected with it security	de	information-and-network-security	robotsllmsaihumans	email phone	none
samuelkuhlmann.com ↗	67 match 1 shared topics	Samuel Kuhlmann \| Cybersecurity Analyst	de	information-and-network-security	robotsllmsaihumans	emailphone	none
ralphbuchmann.de ↗	67 match 1 shared topics	Ralph Buchmann IT-Security	Germany de	information-and-network-security	robotsllmsaihumans	emailphone	none
porxy.de ↗	67 match 1 shared topics	Inside Security GmbH	Germany de	information-and-network-security	robotsllmsaihumans	emailphone	none
achhammer.consulting ↗	67 match 1 shared topics	Marco Achhammer – IT Security Consulting	de	information-and-network-security WordPress	robotsllmsaihumans	email phone	none
cybrdf.com ↗	67 match 1 shared topics	Cyber Security Services	de	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
sap-security-forum.com ↗	67 match 1 shared topics	SAP Security Forum 2013	de	information-and-network-security	robotsllmsaihumans	emailphone	none
positronix.de ↗	66 match 1 shared topics	PositroniX Cyber Security	Germany de	information-and-network-security Weebly	robotsllmsaihumans	emailphone	none
poyse.de ↗	66 match 1 shared topics	POISE — Complete IT Security for EU Businesses	Germany de	information-and-network-security	robotsllmsaihumans	emailphone	none
cybersecurity-austria.info ↗	66 match 1 shared topics	Cyber Security News Austria	de	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
psecscanner.de ↗	66 match 1 shared topics	Phoenix PHP Security Scanner	Germany de	information-and-network-security	robotsllmsaihumans	emailphone	none
dwp-secruity.de ↗	66 match 1 shared topics	DWP Solution & Security GmbH	Germany de	information-and-network-security	robotsllmsaihumans	emailphone	none
aidnt.com.br ↗	66 match 1 shared topics	AID-NETWORK-SECURITY	Brazil de	information-and-network-security	robotsllmsaihumans	emailphone	none
purple22.de ↗	66 match 1 shared topics	purple22 Information Security	Germany de	information-and-network-security	robotsllmsaihumans	emailphone	none
entwurf-laden.de ↗	66 match 1 shared topics	Proofpoint Security Awareness Training	Germany de	information-and-network-security	robotsllmsaihumans	emailphone	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.