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Digital Forensics is the branch of forensic science pertaining to evidence found in computers, cell phones, and personal digital assistants such as blackberry’s, tablets, and networks including the internet and all other digital devices. It involves the identification, collection, preservation, analysis and presentation of related information in a manner that allows it to be used as evidence in legal processes.

Often you will see a reference to computer forensics and mobile forensics but these processes are increasingly known as digital forensics, recognizing that they are broader than the recovery of information from systems traditionally called computers.

All digital devices have become so integrated into our lives that it seems to be the obvious starting place to look for evidence. Nearly all documents and correspondence today is generated via e-mail or text messaging and statistics show that the majority of our messages never get printed. With the storage capacities today there is no real incentive to delete files. E-mail and texting makes it very easy to share information. For example prior to the ability to e-mail or text who would have taken the time to copy a joke or funny picture and mail it to all of their friends?

Evidence remains on the hard drive, external hard drive, flash drive, a digital camera, cell phone, PDA, email or on a web based back up service. Each of these devices has its own challenges and digital forensics is the discipline for recovering that evidence.

Digital Forensics is more than just a technology; it is using the tools and methodologies that are “forensically sound” and acceptable in court as part of an investigation. These specialized tools and methodologies are what separate’s your local IT department and a true digital forensic examination.