Open Source Intelligence

• Passive Reconnaissance
• It involves gathering publicly available information from online platforms like social media, websites, and databases. 

OSINT Gateway Bangladesh

• https://arenawebsecurity.net/osint/

loveaws

OSINT

• https://osintframework.com

Tools

• sherlock
• recon-ng
• Recon-Dog
• FOCA
• BillCipher
• Taranis
• OSS Insight
• DorkGenius
• Infoga

Subdomain Enumeration

Competitive Intelligence

• SEMrush

Operational Technology (OT) Tools

• SearchDiggity: https://bishopfox.com
• Zeek: https://zeek.org
• Criminal IP: https://www.criminalip.io
• ZoomEye: https://www.zoomeye.hk
• ONYPHE: https://www.onyphe.io