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diff sec — open source AI for product 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
usezn.com ↗	71 match 2 shared topics	ZN — Open Source Zero Trust Layer for AI Agents	en	information-and-network-security	robotsllmsaihumans	emailphone	none
lupid.ai ↗	70 match 2 shared topics	Lupid — The open-source ecosystem for securing AI agents	en	artificial-intelligence	robotsllmsaihumans	emailphone	partial · 8
cyberlab.biz ↗	69 match 2 shared topics	CyberLab — AI Security Research Lab	en	information-and-network-security	robotsllmsaihumans	emailphone	none
luminaisec.com ↗	69 match 2 shared topics	LuminAI Security - Enabling Secure Adoption of Open-source AI	en	information-and-network-security	robotsllmsaihumans	emailphone	none
useprompthalo.com ↗	69 match 2 shared topics	PromptHalo — Real-time AI Security	en	information-and-network-security	robotsllmsaihumans	emailphone	none
demoprompthalo.com ↗	69 match 2 shared topics	PromptHalo — Real-time AI Security	en	information-and-network-security	robotsllmsaihumans	emailphone	none
joinprompthalo.com ↗	69 match 2 shared topics	PromptHalo — Real-time AI Security	en	information-and-network-security	robotsllmsaihumans	emailphone	none
headysecure.com ↗	68 match 2 shared topics	HeadySec — Security & Trust Layer	en	artificial-intelligence	robotsllmsaihumans	emailphone	none
abundantsecurity.net ↗	68 match 2 shared topics	Abundant Security	en	information-and-network-security	robotsllmsaihumans	emailphone	none
a3t.ai ↗	68 match 2 shared topics	Agent Three — The AI Platform Built for Security	en	information-and-network-security	robotsllmsaihumans	emailphone	partial · 8
a3t.dev ↗	68 match 2 shared topics	Agent Three — The AI Platform Built for Security	en	information-and-network-security	robotsllmsaihumans	emailphone	partial · 8
2thrivellc.com ↗	68 match 2 shared topics	Cyber Security and AI Consulting	en	information-and-network-security	robotsllmsaihumans	emailphone	none
lumeyon.com ↗	68 match 2 shared topics	Lumeyon — AI Agent Security Scanner	en	information-and-network-security	robotsllmsaihumans	emailphone	none
bashwizard.dev ↗	68 match 2 shared topics	Bash Wizard - AI-Powered Linux Commands for Security	en	artificial-intelligence	robotsllmsaihumans	emailphone	none
dreadnode.biz ↗	68 match 2 shared topics	Dreadnode — AI Infrastructure for Security Agents	en	artificial-intelligence	robotsllmsaihumans	emailphone	partial · 8
cybpass.com ↗	68 match 2 shared topics	CybPass \| AI Security	en	information-and-network-security Wix	robots llmsaihumans	emailphone	none
acidtest.dev ↗	68 match 2 shared topics	AcidTest — Security Scanner for AI Agent Skills & MCP Servers	en	information-and-network-security	robotsllmsaihumans	emailphone	none
achux21.com ↗	68 match 2 shared topics	Achraf Ouazzani Chahidi \| AI Security Engineer	en	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.