OSINT Tools and Techniques

Overview

This document outlines essential OSINT (Open Source Intelligence) tools and techniques for information gathering and verification.

Reference Video: Comprehensive OSINT Tools Guide

Email Address Discovery

Primary Email Discovery Tools

• Hunter.io - Professional email finder and verifier
• Features department-specific email search functionality
• Provides email verification and deliverability scoring

• Offers bulk email discovery for organizations

• Phonebook.cz - Comprehensive contact information database

• Alternative: IntelX for broader search capabilities

• VoilaNorbert - Email finder with high accuracy rates

• Specializes in finding professional email addresses

• Includes email verification features

• Clearbit Connect - Email discovery and enrichment

• Integrates with Gmail and other email clients

• Provides additional contact information and company data

• VerifyMail.io - Email address verification service

• Validates email addresses for deliverability
• Helps reduce bounce rates and improve email campaigns

Email Discovery Techniques

Google-Based Methods

1. Search Engine Queries
2. Use advanced Google search operators to find email addresses
3. Combine domain names with common email patterns

4. Search for email signatures in documents and web pages

5. Password Recovery Method

6. Utilize "Forgot Password" functionality on websites
7. Many sites reveal partial email addresses during recovery process
8. Helps confirm email address patterns for organizations

Best Practices

• Always verify discovered email addresses before use
• Respect privacy laws and regulations (GDPR, CAN-SPAM, etc.)
• Use multiple tools to cross-verify results
• Document your findings for future reference

Creepiest OSINT Tools encountered - https://findsatoshi.com/ - https://pimeyes.com/en