But representatives from Imation, a magnetic data storage tape manufacturer in Oakdale, Minn., reviewed the used tapes examined by GAO. Using a tape drive, a standard personal computer and standard programming language, Imation reported being able to access bank account numbers, employee information, travel expense reports, audit procedures and results, employee savings plan balances and international tax benefits documents.
The results prompted Congress last week to ask GAO to reopen its investigation into agencies selling used magnetic tapes.
"If federal agencies are selling used magnetic storage tapes on the open market with this level of recoverable sensitive data available to anyone with minimum technical skills or equipment, we should all be alarmed and demanding greater accountability from federal agencies engaged in such sales," wrote Rep. Betty McCollum, D-Minn., in a letter to GAO in which she asked that the investigation be reopened. "The result of the work conducted by Imation clearly challenges the earlier GAO conclusion that used tapes represent a low security risk.… The fact remains that substantial amounts of highly sensitive government and personal data of citizens may be circulating in the open market on 'recertified' used tapes."
McCollum has called for GAO to identify which federal agencies resell tapes and confirm that all sensitive information is properly erased. She also has asked GAO to find out the processes used to ensure that sensitive data is fully erased, the standards for certifying that tapes are erased and the systems in place to monitor the dispositions of tapes by agencies or contractors. She asked for recommendations on how to improve oversight of such dispositions.
GAO could not be reached for comment.