CHICAGO--(BUSINESS WIRE)--(HIMSS15 booth #3848)--Imprivata® (NYSE: IMPR), the healthcare IT security company, today announced expanded capabilities of Imprivata Cortext®, the secure communications platform for healthcare, to improve nursing communication and enable patient engagement. Imprivata Cortext offers an enhanced desktop experience as well as efficient provider-to-patient messaging, delivering fast, secure and reliable communications and coordination across the entire care continuum. “I