CHICAGO--(BUSINESS WIRE)--HIMSS15 booth #3848—Imprivata® (NYSE: IMPR), the healthcare IT security company, continues to advance its leadership in delivering innovative authentication technologies with the introduction of a breakthrough proximity-based hands-free authentication solution for healthcare. The patented technology wirelessly retrieves and verifies a one-time password (OTP) from a user’s mobile device without requiring any manual interaction, enabling fast, convenient two-factor authe