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    Legal cases: Microsoft’s National Security Letter Lawsuit

    Microsoft challenged a nondisclosure order attached to U.S. National Security Letter seeking information about an account belonging to an enterprise customer in late 2013. We believed the nondisclosure provision was unlawful and violated our constitutional rights. As a result of our challenge, the government withdrew the National Security Letter.

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    May 22, 2014 | Microsoft | Microsoft’s National Security Letter Lawsuit

    New success in protecting customer rights unsealed today

    On Thursday, a federal court in Seattle unsealed documents related to an FBI National Security Letter that Microsoft successfully challenged in court late last year. This marks an important and successful step to protect Microsoft’s enterprise customers regarding government surveillance.

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    May 22, 2014 | Microsoft | Microsoft’s National Security Letter Lawsuit|The Wall Street Journal

    Microsoft Challenged Secret FBI Request for Data About Customer

    Microsoft Corp. last year challenged a secret request for data about a business customer from the Federal Bureau of Investigation.

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    May 22, 2014 | Microsoft’s National Security Letter Lawsuit|ZDnet

    Microsoft challenged an FBI National Security Letter, and won

    Documents unsealed Thursday by a federal court in Seattle reveal that late last year, Microsoft successfully challenged an FBI National Security Letter.

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    May 22, 2014 | Microsoft | Microsoft’s National Security Letter Lawsuit|TechCrunch

    Microsoft Challenged A National Security Letter That Included A Gag Order — And Won

    Microsoft challenged a National Security Letter from the FBI last year — and won. The documents relating the case were recently unsealed, making the effort public.

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    Resources

    May 21, 2014 |

    Court order granting unsealing of documents in national security letters case (May 21, 2014)

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    May 20, 2014 |

    Microsoft’s national security letter lawsuit

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