By Joseph Menn
SAN FRANCISCO (Reuters) – Yahoo Inc on Wednesday asked U.S. Director of National Intelligence James Clapper to declassify a surveillance order the company had received so it can respond to a Reuters report that it set up a special program last year to scan all Yahoo Mail users’ incoming messages.
Separately, the American Civil Liberties Union filed a motion before the U.S. Foreign Intelligence Surveillance Court asking it to release the Yahoo order and over 20 other significant rulings dating back more than a decade.
Reuters reported on Oct. 4 that Yahoo had secretly installed custom software to search all of its customers’ incoming emails to isolate those containing specific data matching a digital file provided by U.S. intelligence officials. The program ran for a brief period of time in the spring of 2015 before it was discovered by Yahoo’s security team and taken down, according to…
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