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NSA Deleted Surveillance Data it Pledged to Preserve 

The agency tells a federal judge that it is investigating and ‘sincerely regrets its failure.’

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. Read the rest of this entry »

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