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Hacking Challenges alternatives & similar sites

|Hacking-Challenges| - Über 100 Hackits und Rätsel online — 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
kryptonizer.de ↗	64 match 1 shared topics	Kryptonizer - Übersetzer und Trainer für kryptische Passwörter	Germany de	information-and-network-security WordPress WooCommerce	robotsllmsaihumans	emailphone	none
mein-login.info ↗	63 match 1 shared topics	mein-login.info - Sicher einloggen bei über 40 Online-Diensten	de	information-and-network-security	robotsllmsaihumans	emailphone	none
rocknroll-podcast.de ↗	62 match 1 shared topics	Rock 'n' Roll - Ein Podcast mit Tommy Bräuer und Markus Roll	Germany de	information-and-network-security	robotsllmsaihumans	emailphone	none
kmu-datenschutzcheck.de ↗	62 match 1 shared topics	DSGVO \| Online-Schnelltest	Germany de	information-and-network-security	robotsllmsaihumans	emailphone	none
klein-doris.de ↗	62 match 1 shared topics	Über uns	Germany de	information-and-network-security	robotsllmsaihumans	emailphone	none
klein-jonas.de ↗	62 match 1 shared topics	Über uns	Germany de	information-and-network-security	robotsllmsaihumans	emailphone	none
klein-michael.de ↗	62 match 1 shared topics	Über uns	Germany de	information-and-network-security	robotsllmsaihumans	emailphone	none
kritis-tage.de ↗	62 match 1 shared topics	KRITIS Tage: KRITIS Tage 2026: Sichere KRITIS - Wie ist der Stand der Dinge?	Germany de	information-and-network-security TYPO3	robotsllmsaihumans	emailphone	none
riske-it.de ↗	62 match 1 shared topics	Riske IT GmbH: Ihre Partner für Datenschutz und IT-Sicherheit	Germany de	information-and-network-security WordPress	robotsllmsaihumans	email phone	none
sanashare.de ↗	62 match 1 shared topics	Cryptshare - Sicherer Austausch von Dateien und E-Mails	Germany de	information-and-network-security Drupal	robotsllmsaihumans	email phone	none
cryptshare-befine-solutions.com ↗	62 match 1 shared topics	Cryptshare - Sicherer Austausch von Dateien und E-Mails	Sweden~ de	information-and-network-security Drupal	robotsllmsaihumans	email phone	none
cryptshare-us.com ↗	62 match 1 shared topics	Cryptshare - Sicherer Austausch von Dateien und E-Mails	Sweden~ de	information-and-network-security Drupal	robotsllmsaihumans	email phone	none
cryptshare.cloud ↗	62 match 1 shared topics	Cryptshare - Sicherer Austausch von Dateien und E-Mails	de	information-and-network-security Drupal	robotsllmsaihumans	email phone	none
cyber-security.versicherung ↗	62 match 1 shared topics	IT-Sicherheit - Mivisio - Cyber Security und Versicherungen	de	information-and-network-security WordPress	robotsllmsaihumans	email phone	none
renepardon.de ↗	62 match 1 shared topics	Sicherheit, die Umsatz und Reputation schützt – Audits in Wochen \| Christoph René Pardon	Germany de	information-and-network-security	robots llmsaihumans	emailphone	partial · 8
sacos.de ↗	62 match 1 shared topics	Home - SACOS Soft- und Hardware GmbH	Germany de	information-and-network-security WordPress	robots llmsaihumans	emailphone	none
cyber-sicher.org ↗	62 match 1 shared topics	Cybersicherheit – Schutz vor Online-Bedrohungen	de	information-and-network-security WordPress	robotsllmsaihumans	email phone	none
cyber-sicher.info ↗	62 match 1 shared topics	Cybersicherheit – Schutz vor Online-Bedrohungen	de	information-and-network-security WordPress	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.