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11 March 2019

Forensic - Data recovery and metadata analysis



My first step into Forensics was 9 years ago when I was studying a master’s degree about System Administrator with Open Source Operating Systems. This master’s degree had a subject about Forensics. Later on, I’ve taken training and I’ve tried challenges about Forensics such as the CyberSecurity Challenge in the ForoCIBER 2018. Today, I’m writing about data recovery and metadata analysis because I’ve recorded a video, which will be the next laboratory, for my students of the Forensics Training Course at FEVAL in Extremadura.

Edmond Locard

We can watch in the next video how to recover data and analyse metadata of a memory stick where there were 10 pictures but only three of them are interesting. First, we verify the SHA hash to check image hasn’t been modified. Secondly, we have to mount the image in read-only for keeping image safe. Once image is mounted, we can work with it. We analyse the file system. We can also recover data. Finally, we can even know where pictures were taken and what camera took the pictures. I think this is an easy and interesting laboratory for beginners.


There are lots of Digital Forensics Tools. You can watch some of them in the video. There are also lots of information on the Internet to deep down in Forensics. What’s more, there are certification such as the Computer Hacking Forensic Investigator (CHFI), which could be the starting point to Forensics. Therefore, you just have to want learning and looking for the time for training.

Keep learning and keep studying my friends!

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