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Sites similar to defcon-five.de

Defcon Five alternatives & similar sites

DEF CON® Hacking Conference Home — 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
digital-resilience.ch ↗	65 match 1 shared topics	Digital Resilience - Home	Switzerland de	information-and-network-security	robotsllmsaihumans	emailphone	none
digitalresilience.ch ↗	65 match 1 shared topics	Digital Resilience - Home	Switzerland de	information-and-network-security	robotsllmsaihumans	emailphone	none
amaharjan.de ↗	64 match 1 shared topics	A. Maharjan - Sharing my experience and journey with the web.	Germany de	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
infosec-health.ch ↗	64 match 1 shared topics	Home - Infosec Health	Switzerland de	information-and-network-security	robotsllmsaihumans	email phone	none
atropaia.net ↗	63 match 1 shared topics	Atropaia - Home	de	information-and-network-security	robotsllmsaihumans	emailphone	full · 20
atropaia.org ↗	63 match 1 shared topics	Atropaia - Home	de	information-and-network-security	robotsllmsaihumans	emailphone	full · 20
andreas-falk.de ↗	63 match 1 shared topics	Andreas Falk \| Home	Germany de	information-and-network-security	robotsllmsaihumans	emailphone	none
itrn.de ↗	63 match 1 shared topics	Ralf Nickel - Home	Germany de	information-and-network-security	robotsllmsaihumans	email phone	none
itsa365.de ↗	63 match 1 shared topics	it-sa 365 \| The dialogue platform for IT security experts – 365 days a year!	Germany de	information-and-network-security Sitecore	robotsllmsaihumans	email phone	none
asecurity.ch ↗	63 match 1 shared topics	A-Security Home - A-Security	Switzerland de	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
a-security.ch ↗	63 match 1 shared topics	A-Security Home - A-Security	Switzerland de	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
algiooo.de ↗	63 match 1 shared topics	Home — algiooo.de	Germany de	information-and-network-security	robotsllmsaihumans	emailphone	none
kalisa.de ↗	63 match 1 shared topics	Kalisa Vermögensverwaltungs UG - Penetration Testing & Cybersecurity Consultancy	Germany de	information-and-network-security	robotsllmsaihumans	emailphone	none
4dsecureit.de ↗	63 match 1 shared topics	4DsecureIT.com - Your IT service contact	Germany de	information-and-network-security	robotsllmsaihumans	emailphone	none
iscl.de ↗	63 match 1 shared topics	IT Security Consulting - ISCL	Germany de	information-and-network-security WordPress WooCommerce	robotsllmsaihumans	emailphone	none
adani-it.de ↗	63 match 1 shared topics	BlueThreat Intelligence	Germany de	information-and-network-security	robotsllmsaihumans	emailphone	none
nexgap.com ↗	63 match 1 shared topics	Offensive Security & Threat Intelligence \| NEXGAP	Germany~ de	information-and-network-security	robots llmsaihumans	emailphone	none
johannwiedmeier.de ↗	63 match 1 shared topics	Home	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.