Ssd Security Official

Because of how SSDs manage data, "deleted" fragments of the stolen trade secrets were still sitting in those hidden cells, waiting for the drive's process to eventually scrub them. But the suspect had panicked and shut the laptop down too quickly, accidentally "freezing" those fragments in place.

Security and Forensics–Is Solid State Drive a Friend or a Foe? ssd security

Leo knew that SSDs are "liars" by design. To prevent the memory cells from wearing out, a controller inside the drive constantly moves data around in the background—a process called . When you delete a file, the drive doesn't actually delete it; it just marks that space as "invalid" and moves on. Because of how SSDs manage data, "deleted" fragments

By bypassing the standard controller interface and talking directly to the NAND flash chips, Leo began to see the "ghosts" of the deleted files. Leo knew that SSDs are "liars" by design