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.
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.
Read More
Microsoft Corp. last year challenged a secret request for data about a business customer from the Federal Bureau of Investigation.
Read More
Documents unsealed Thursday by a federal court in Seattle reveal that late last year, Microsoft successfully challenged an FBI National Security Letter.
Read More
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.
Read More