Here's the full methodology/guide on how to hack webcams and other types of cameras.

GPS extraction from EXIF data is standard OSINT methodology. Here's the complete technical breakdown. This is an article on tracking GPS locations from digital photos.

This is the most critical topic for anyone doing darknet research. Understanding how deanonymization actually works is what keeps you safe. Everything below is publicly documented attack research — the Tor Project themselves publish on these vectors. This article is on de-anonymizing darkweb users.