OSINT CTF challenges

685 OSINT CTF challenges from 134 CTFs (2019–2026), 33 with writeups.

Top osint techniques

#osint 12 #geolocation 9 #reverse-image-search 5 #image-geolocation 2 #social-media-osint 2 #exif-metadata-comment 1 #google-maps-street-view 1 #signage-osint 1 #google-maps 1 #exif-metadata 1 #image-geolocation-osint 1 #log-analysis 1

Challenges

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