Companies can then install the software that watches the apps in their own data http://washpost.bloomberg.com/Story?docId=1376-ODRGA46K50XT01-04149CJLC8322D002LSOBBTLG1 center, or they can hire Illumio's cloud service to watch the apps for them. And then the security follows the app wherever it goes, even if an app moves from one server to another, or from the data center to a cloud computing service. Founded: 2014 Valuation: $1.1 billion Former Groupon founder Brad Keywell started the secretive Chicago-based data analytics startup in 2014.Already it's working with Caterpillar to be the analytics

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