NSA deleted surveillance data it pledged to preserve
The agency tells a federal judge that it is investigating and ‘sincerely regrets its failure.’
By JOSH GERSTEIN
Politico.com
01/19/2018
The National Security Agency destroyed surveillance data it pledged to preserve in connection with pending lawsuits and apparently never took some of the steps it told a federal court it had taken to make sure the information wasn’t destroyed, according to recent court filings.
Word of the NSA’s foul-up is emerging just as Congress has extended for six years the legal authority the agency uses for much of its surveillance work conducted through U.S. internet providers and tech firms. President Donald Trump signed that measure into law Friday.
Since 2007, the NSA has been under court orders to preserve data about certain of its surveillance efforts that came under legal attack following disclosures that President George W. Bush ordered warrantless wiretapping of international communications after the 2001 terrorist attacks on the U.S. In addition, the agency has made a series of representations in court over the years about how it is complying with its duties.
However, the NSA told U.S. District Court Judge Jeffrey White in a filing on Thursday night and another little-noticed submission last year that the agency did not preserve the content of internet communications intercepted between 2001 and 2007 under the program Bush ordered. To make matters worse, backup tapes that might have mitigated the failure were erased in 2009, 2011 and 2016, the NSA said.
“The NSA sincerely regrets its failure to prevent the deletion of this data,” NSA’s deputy director of capabilities, identified publicly as “Elizabeth B.,” wrote in a declaration filed in October. “NSA senior management is fully aware of this failure, and the Agency is committed to taking swift action to respond to the loss of this data.”
In the update Thursday, another NSA official said the data were deleted during a broad, housecleaning effort aimed at making space for incoming information.
“The NSA’s review to date reveals that this [Presidential Surveillance Program] Internet content data was not specifically targeted for deletion,” wrote the official, identified as “Dr. Mark O,” “but rather the PSP Internet content data matched criteria that were broadly used to delete data of a certain type … in response to mission requirements to free-up space and improve performance of the [redacted] back-up system. The NSA is still investigating how these deletions came about given the preservation obligations extant at the time. The NSA, however, has no reason to believe at this time that PSP Internet content data was specifically targeted for deletion.”
An NSA spokesman declined to comment on Friday.
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