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Sites similar to mainsec.org

Mainsec alternatives & similar sites

MainSec | Cybersecurity Consulting — 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
1strespondercyber.com ↗	82 match 1 shared topics	1stresponder \| Cybersecurity Consulting	en	information-and-network-security Wix	robots llmsaihumans	emailphone	none
spartan-conseil.com ↗	79 match 1 shared topics	Spartan Conseil — Cybersecurity Consulting	en	information-and-network-security	robotsllmsaihumans	emailphone	none
nocturn3.com ↗	79 match 1 shared topics	Nocturne Information Security Inc. \| Cybersecurity Consulting	Canada~ en	information-and-network-security	robotsllmsaihumans	emailphone	none
noctibit.com ↗	79 match 1 shared topics	NoctiBit - Cybersecurity Consulting & Penetration Testing	en	information-and-network-security	robotsllmsaihumans	emailphone	none
spectrenexus.com ↗	79 match 1 shared topics	Spectre Nexus \| cybersecurity consultants	en	information-and-network-security Wix Wix Stores	robots llmsaihumans	emailphone	none
spectrahelix.com ↗	78 match 1 shared topics	SpectraHelix \| Cybersecurity & GRC Consulting	en	information-and-network-security	robotsllmsaihumans	emailphone	none
noblegsc.com ↗	78 match 1 shared topics	Noble Guardian Security Consulting	en	information-and-network-security	robotsllmsaihumans	emailphone	none
eiferone.com ↗	78 match 1 shared topics	EiferOne — Cybersecurity Consultancy \| Penetration Testing & Security Audits	United Kingdom~ en	information-and-network-security	robotsllmsaihumans	email phone	none
nococyberguard.com ↗	78 match 1 shared topics	NoCo CyberGuard — Personal Cybersecurity Consulting	en	information-and-network-security Spree Commerce	robotsllmsaihumans	emailphone	none
lcgsec.com ↗	77 match 1 shared topics	LCG SEC \| Cybersecurity Services & Solutions	en	information-and-network-security	robotsllmsaihumans	emailphone	none
counterhack.co.uk ↗	77 match 1 shared topics	Cybersecurity Consultants \| CounterHack Ltd	United Kingdom en	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
helixsecurity.org ↗	77 match 1 shared topics	Cybersecurity \| Columbia, MD - Helix Security Consulting Group	en	information-and-network-security	robotsllmsaihumans	emailphone	none
leadingsecurity.com ↗	77 match 1 shared topics	Cybersecurity Consulting Services - Leading Security	en	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
rolipay.com ↗	77 match 1 shared topics	RoseCross LLC \| Offensive Security Consulting	en	information-and-network-security	robotsllmsaihumans	email phone	none
dcypher.uk ↗	76 match 1 shared topics	dcypher — Cyber Security Consultancy	United Kingdom en	information-and-network-security	robotsllmsaihumans	emailphone	none
capsulevision.com ↗	76 match 1 shared topics	ITSM & Cybersecurity Consulting Montréal \| Capsule Vision	Canada~ en	information-and-network-security	robotsllmsaihumans	emailphone	none
medmac.tech ↗	76 match 1 shared topics	Cybersecurity	en	information-and-network-security	robotsllmsaihumans	emailphone	none
cm-alliance.com ↗	76 match 1 shared topics	Cyber Security Training and Cybersecurity Consulting UK	en	information-and-network-security HubSpot	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.