Download CD And DVD Forensics...A Typical E-Book For Working With Compact Models In Forensic...
Paul Crowley and Dave Kleiman’s new book CD and DVD Forensics addresses such electronic magic. They formed a company that specializes in recovery of lost or intentionally disrupted data. With their technique and program, they can virtually look into a disc and find out not only what has on it now, but also know what has ever been on it.
We live in an era with rewritable data, and many people mistakenly believe that once they erase something from their computer or put it into the trash bin on their desktop, it’s gone. Even if they delete the file from the computer, the information is not gone. With the advent of the police shows, the general public has learned that files are not erased. They get overwritten, which is vastly different. Overwritten means that parts of that file still exist on a hard drive or a flash drive. Of course, the educated criminal can install a program that will overwrite the whole drive.CDs and DVDs are the same way. Computers burn images onto the disc surface. Some of the discs are rewritable, but they feature the same logistical programming as hard drives. Information that was previously stored on the disc is merely written over, not erased. Even though a disc has been damaged, or even thought destroyed, information can be recovered from them.
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