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Horizon Secured alternatives & similar sites

Horizon Secured – Where knowledge meets 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
isc2.org ↗	60 match shared topic	Cybersecurity Certifications and Continuing Education \| ISC2	en	information-and-network-security Sitecore	robotsllmsaihumans	emailphone	none
eccouncil.org ↗	60 match shared topic	EC-Council \| Cyber Security Courses Online \| Cybersecurity Training	en	online-education WordPress WooCommerce	robotsllmsaihumans	emailphone	none
cyfrin.io ↗	60 match shared topic	Blockchain Security, Smart Contract Audits, Developer Education - Cyfrin	en	online-education	robotsllmsaihumans	emailphone	none
picoctf.org ↗	60 match shared topic	picoCTF.org is now CyLab Security Academy	en	online-education	robotsllmsaihumans	emailphone	none
cyberhoot.com ↗	60 match shared topic	Security Awareness Training That Actually Works – CyberHoot	en	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
tartan.app ↗	60 match shared topic	K-12 Cybersecurity Awareness Training \| Tartan App	en	information-and-network-security	robots llmsaihumans	email phone	none
ctfd.io ↗	55 match shared topic	CTFd : The Easiest Capture The Flag Platform	en	information-and-network-security	robotsllmsaihumans	emailphone	none
feistyduck.com ↗	55 match shared topic	Feisty Duck \| SSL/TLS and PKI training and books	en	information-and-network-security	robotsllmsaihumans	emailphone	none
kanxue.com ↗	55 match shared topic	看雪学苑｜专业信息安全学习平台	en	information-and-network-security	robotsllmsaihumans	emailphone	none
offsec.com ↗	42 match shared topic	Cybersecurity Training & Certifications \| OffSec	en	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
universalclass.com ↗	38 match shared topic	UniversalClass: Where Curiosity Meets Awe	en	online-education	robotsllmsaihumans	emailphone	none
pecb.com ↗	37 match shared topic	PECB: Building Digital Trust \| Training Courses & Certification	en	vocational-training WordPress WooCommerce	robotsllmsaihumans	emailphone	none
saylor.org ↗	38 match shared topic	Saylor University — Where Ambition Meets Excellence	en	online-education	robotsllmsaihumans	emailphone	none
pediy.com ↗	37 match shared topic	看雪学苑｜专业信息安全学习平台	en	vocational-training	robotsllmsaihumans	emailphone	none
wpguardian.io ↗	32 match shared topic	Effective Security for WordPress Sites- WPGuardian	en	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
domaintools.com ↗	32 match shared topic	Threat Intelligence & Domain Security Platform \| DomainTools	en	information-and-network-security	robotsllmsaihumans	emailphone	none
eset.com ↗	32 match shared topic	ESET Cybersecurity \| Enterprise, Business and Home Solutions \| ESET	en	information-and-network-security TYPO3	robotsllmsaihumans	emailphone	none
fortinet.com ↗	32 match shared topic	Global Leader of Cybersecurity Solutions and Services \| Fortinet	en	information-and-network-security Adobe Experience Manager	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.