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HackForge - Free Hands-On CTF Challenges — 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
wincr4ck.site ↗	70 match 1 shared topics	CTF FRIDAYS - Cybersecurity Challenge Platform	en	information-and-network-security	robotsllmsaihumans	emailphone	none
cyspace.org ↗	68 match 1 shared topics	CyberSec Week - Escape Room Challenge	en	information-and-network-security	robotsllmsaihumans	emailphone	none
cybermission.tech ↗	67 match 1 shared topics	Military Cybersecurity Cyber Challenge \| Cybermission	en	information-and-network-security	robotsllmsaihumans	emailphone	none
goblinesque.com ↗	67 match 1 shared topics	Cerberus Challenge	en	information-and-network-security	robotsllmsaihumans	emailphone	none
mimikatz.org ↗	67 match 1 shared topics	Mimikatz – Hands-On Tool for Windows Security Exploration	en	information-and-network-security WordPress WooCommerce	robotsllmsaihumans	emailphone	none
tergos-it.com ↗	67 match 1 shared topics	Tergos: Find your challenge \| Tergos	EN~ en	information-and-network-security	robotsllmsaihumans	email phone	none
tergos.com ↗	67 match 1 shared topics	Tergos: Find your challenge \| Tergos	EN~ en	information-and-network-security	robotsllmsaihumans	email phone	none
sshcharge.com ↗	66 match 1 shared topics	SSHCharge - Blazing Fast Free SSH & VPN	en	information-and-network-security WordPress	robotsllmsaihumans	emailphone	partial · 8
globalsecuritychallenge.com ↗	66 match 1 shared topics	The Global Security Challenge \| Rewarding innovative security startups & SMEs	en	information-and-network-security	robotsllmsaihumans	emailphone	none
cyberforge.blog ↗	65 match 1 shared topics	CyberForge \| CyberForge	en	information-and-network-security	robotsllmsaihumans	emailphone	none
myhuskylabs.com ↗	65 match 1 shared topics	HuskyHacker	en	information-and-network-security	robotsllmsaihumans	emailphone	none
sslforfree.com ↗	65 match 1 shared topics	SSL For Free - Free SSL Certificates in Minutes	en	information-and-network-security	robotsllmsaihumans	emailphone	none
4everproxy.com ↗	65 match 1 shared topics	4everproxy - Free Web Proxy \| Unlimited VPN	en	information-and-network-security	robotsllmsaihumans	emailphone	none
whatismyspeed.site ↗	65 match 1 shared topics	Internet Speed Test & VPN Security \| SpeedSecure - Free Online Tools	en	information-and-network-security	robotsllmsaihumans	emailphone	none
mahmoudsalah.vip ↗	64 match 1 shared topics	Mahmoud Salah (KRNL) \| PenTester	en	information-and-network-security	robotsllmsaihumans	emailphone	none
mahmoud.email ↗	64 match 1 shared topics	Mahmoud Salah (KRNL) \| PenTester	en	information-and-network-security	robotsllmsaihumans	emailphone	none
mahmoud.live ↗	64 match 1 shared topics	Mahmoud Salah (KRNL) \| PenTester	en	information-and-network-security	robotsllmsaihumans	emailphone	none
freevpnopen.com ↗	64 match 1 shared topics	Home \| FREE VPN OPEN	United States~ en	information-and-network-security	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.