Combing Through Video Faster Using DFIR and OSINT Skills

Guest blog post by Jeff Lomas (@BleuBloodHound). Jeff is a detective and digital forensic examiner for a large metropolitan police department in Las Vegas where he has worked for the past 11 years. Jeff executes search warrants on every imaginable digital devices for other detectives and turns the data extracted from these devices into actionable intelligence for other investigators. Introduction Digital forensics or DFIR investigations … Continue reading Combing Through Video Faster Using DFIR and OSINT Skills

Making Sense of OSINT Cell Tower Data for DFIR

For OSINT and digital forensic practitioners, we can grab cell phone tower information from the mobile devices we image and cross-reference those towers with the tower’s physical location. When we combine this data with the date and time of the device owner’s activities, we can better understand where the device (and the owner) were at given times. Continue reading Making Sense of OSINT Cell Tower Data for DFIR

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