SAN DIEGO, March 18, 2016 /PRNewswire/ -- Johnson & Weaver, LLP (Johnson & Weaver) announced that it has filed a class action lawsuit in the United States District Court for the District of Massachusetts on behalf of purchasers of Imprivata, Inc. (NYSE: IMPR ) securities during the period between July 30, 2015 and November 2, 2015 (the "Class Period"). The complaint charges Imprivata, certain of its officers and directors and certain of its controlling shareholders with violations of the Securities Exchange Act of 1934. Imprivata is an IT security company that provides authentication and access management technology solutions for the healthcare industry in the United States, the United Kingdom, and internationally.