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Q4Hacking alternatives & similar sites

Q4 CTF — 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
cshutz.net ↗	60 match 1 shared topics	C·SHUTZ — Ciberseguridad Empresarial	es	information-and-network-security	robotsllmsaihumans	emailphone	none
csirtamericas.org ↗	60 match 1 shared topics	Home \| CSIRTAmericas	es	information-and-network-security Drupal	robotsllmsaihumans	emailphone	none
ctrltest.com ↗	60 match 1 shared topics	Hogar	es	information-and-network-security	robotsllmsaihumans	emailphone	none
cubsec.io ↗	60 match 1 shared topics	CUB Security \| Ciberseguridad · México · Chile · USA	es	information-and-network-security	robotsllmsaihumans	emailphone	partial · 8
cumplirconlaprotecciondedatos.com ↗	60 match 1 shared topics	Cumplir con la Protección de Datos (RGPD) por tan solo 60€/año	es	information-and-network-security WordPress WooCommerce	robotsllmsaihumans	email phone	none
cursmarketingdigital.cat ↗	60 match 1 shared topics	Servicio VPN para un Internet seguro y sin restricciones: unos servidores rápidos, acceso gratuito, descarga de aplicaciones vpn — hidemy.name	es	information-and-network-security	robotsllmsaihumans	emailphone	none
cveinfo-dashboard.com ↗	60 match 1 shared topics	CVE Info Dashboard	es	information-and-network-security	robotsllmsaihumans	emailphone	none
htsoluciones.org ↗	60 match 1 shared topics	Home \| PORTAL HT SOLUCIONES TECNOLOGICAS	es	information-and-network-security	robotsllmsaihumans	email phone	none
iapromotions.com ↗	60 match 1 shared topics	Always Stay Safe (A.S.S.) \| SOC Avanzado e Infraestructura de Redes B2B	es	information-and-network-security	robotsllmsaihumans	emailphone	none
ibdc.digital ↗	60 match 1 shared topics	IBDC - Instituto Iberoamericano del Derecho Digital y la Ciberseguridad	es	information-and-network-security	robotsllmsaihumans	emailphone	partial · 8
ibs.ec ↗	60 match 1 shared topics	IBS Coral Cía. Ltda. « Especialistas en Soporte Técnico y Ventas.	es	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
icclatinoamerica.org ↗	60 match 1 shared topics	ICC Team Latinoamérica y el Caribe - International Cybersecurity Challenge	es	information-and-network-security	robotsllmsaihumans	emailphone	none
iciberseguridad.io ↗	60 match 1 shared topics	Instituto de Ciberseguridad – Centro de investigación innovación y desarrollo (I+D) en ciberseguridad	es	information-and-network-security WordPress WooCommerce	robotsllmsaihumans	emailphone	none
iclexi.tech ↗	60 match 1 shared topics	Michael / David Robles \| Cybersecurity Portfolio	es	information-and-network-security	robotsllmsaihumans	emailphone	partial · 8
iconocimientos.net ↗	60 match 1 shared topics	iConocimientos, tutoriales de informática, ofimática, computador y tecnología	es	information-and-network-security Reaction Commerce	robotsllmsaihumans	emailphone	none
idemiaindia.net ↗	60 match 1 shared topics	Certificados ASCOFAPSI	es	information-and-network-security	robotsllmsaihumans	emailphone	none
identitas.digital ↗	60 match 1 shared topics	Identitas · NovaLex	es	information-and-network-security	robotsllmsaihumans	emailphone	none
mypassvault.com ↗	60 match 1 shared topics	Generador de Contraseñas Seguras Gratis \| Crea Contraseñas Fuertes Online	es	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.