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

Certificates: The OSINT Gift that Keeps on Giving…

What are certificates? Everybody on the internet uses certificates, or public key certificates, whether you are aware of it or not. Certificates are documents that can provide proof of an identity, for instance a web server that is claiming its identity to your browser. These public keys can be used for encrypting data that is sent via, for instance, a connection over HTTPS but they … Continue reading Certificates: The OSINT Gift that Keeps on Giving…