A little more low tech, but targeted at forensic data acquisition, the Logicube Talon clones a hard drive without altering the original drive. It's used in legal cases where investigators want to search for data on a hard drive but can't damage the evidence. There are several other devices like this on the market.
Once the data is acquired, they use forensic analysis software to search and inventory the contents of a drive, including recovering deleted and partial files.
Mike Fratto is a principal analyst at Current Analysis, covering the Enterprise Networking and Data Center Technology markets. Prior to that, Mike was with UBM Tech for 15 years, and served as editor of Network Computing. He was also lead analyst for InformationWeek Analytics ... View Full Bio