Cybersecurity

Microsoft Argues for Data Security in Landmark Court Appeal

  • Two of three judges on appeals panel had ties to the ACLU
  • Ruling in favor of Microsoft would open loophole, U.S. says

The Microsoft Data centre at Grange Park in Dublin.

Photographer: Niall Carson/PA Wire
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Microsoft Corp. asked an appeals court to reverse a ruling forcing it to turn over e-mails stored in Ireland, in a closely watched case that could set the terms for data security in the U.S. technology industry.

Internet service providers may have a hard time selling Web-based programs if they can’t keep records stored in foreign countries safe from unilateral U.S. seizures. That’s one reason more than two dozen companies, including Apple Inc. and AT&T Inc., have voiced support for Microsoft in court filings.