Geometry in Image Forensics

The other day I was tagged in a conversation between @WebBreacher and Nick Furneaux, where Nick asked whether it would be possible to calculate the position of a person within a photo. A quick search on the internet returned multiple blogs and websites with calculations based on the size of the camera sensor. But this would only work if an original and uncropped photo was … Continue reading Geometry in Image Forensics

Basic OPSEC Tips & Tricks for OSINT researchers

Often i get asked if i’ve got some pointers and tools for OPSEC during online investigations. My primary answer would be first: I can’t give any tips or tradecraft pointers until I know what research questions you are trying to answer. In short, what is your threat model? First of all, one should know where the term OPSEC originates from. OPSEC stands for Operational Security … Continue reading Basic OPSEC Tips & Tricks for OSINT researchers