STEVENSON, Md.--(BUSINESS WIRE)--The securities litigation law firm of Brower Piven, A Professional Corporation, announces that a class action lawsuit has been commenced in the United States District Court for the District of Arizona on behalf of purchasers of LifeLock Inc. (“LifeLock” or the “Company”) (NYSE: LOCK) securities during the period between July 30, 2014 and July 20, 2015, inclusive (the “Class Period”). Investors who wish to become proactively involved in the litigation have until