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#osint

Open-Source Intelligence gathering techniques, tools, and resources.

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PDL Company Data Gaps on Series A Startups: A Registry-First Workflow to Fix Headcount and Founding Date

PDL Company Data Gaps on Series A Startups: A Registry-First Workflow to Fix Headcount and Founding Date

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6 min read
Which sites is this email registered on? A silent lookup you can call from code

Which sites is this email registered on? A silent lookup you can call from code

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2 min read
How I monitor brand mentions on Telegram (no account, no phone number)

How I monitor brand mentions on Telegram (no account, no phone number)

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3 min read
Don't Ban on a Public List Alone: Reading osint on IP99

Don't Ban on a Public List Alone: Reading osint on IP99

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7 min read
I Ran My Own Email Through SpiderFoot. Here's What an Attacker Would See (and How to Check Yours)

I Ran My Own Email Through SpiderFoot. Here's What an Attacker Would See (and How to Check Yours)

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4 min read
You have a name but no username: find public profiles on 3000+ sites with one API call

You have a name but no username: find public profiles on 3000+ sites with one API call

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2 min read
Check a list of usernames across 400+ sites without installing Sherlock

Check a list of usernames across 400+ sites without installing Sherlock

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2 min read
How I got false positives in username search down to zero across 11,988 sites

How I got false positives in username search down to zero across 11,988 sites

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5 min read
GitHub OSINT for Technical Champion Identification: A Sales Ops Workflow That Cuts Enrichment Waste

GitHub OSINT for Technical Champion Identification: A Sales Ops Workflow That Cuts Enrichment Waste

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6 min read
El Método CROX Sec: auditoría externa pasiva completa (guía definitiva)

El Método CROX Sec: auditoría externa pasiva completa (guía definitiva)

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3 min read
Search one username across 3000+ sites with an API call (Maigret, hosted)

Search one username across 3000+ sites with an API call (Maigret, hosted)

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2 min read
Clay Enrichment Waterfall Order Optimization: How I Cut Cost by 38% on 500 Contacts

Clay Enrichment Waterfall Order Optimization: How I Cut Cost by 38% on 500 Contacts

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6 min read
Investigating the WinGram Telegram Casino: Uncovering a ClickFix Attack Vector

Investigating the WinGram Telegram Casino: Uncovering a ClickFix Attack Vector

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3 min read
Investigação OSINT na Prática: Como Extrair Metadados EXIF e Analisar Imagens sem Ferramentas Pagas

Investigação OSINT na Prática: Como Extrair Metadados EXIF e Analisar Imagens sem Ferramentas Pagas

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3 min read
OSINT in Practice: Open Source Intelligence Techniques for Real Investigations

OSINT in Practice: Open Source Intelligence Techniques for Real Investigations

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3 min read
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