Lexington-based Imprivata, a IT security firm focused on the health care industry, is expecting an initial public offering within two years after growing to more than $50 million in revenue in 2012, CEO Omar Hussain said in an interview. The venture-backed company also announced Tuesday that it has added two to its board of directors — Dr. John Halamka, the well-known chief information officer of Beth Israel Deaconess Medical Center, and Rodger Weismann, former CFO of Phase Forward (acquired by Oracle in 2010).

Boston Children's Hospital and Children's Hospital of Philadelphia tie for first place in U.S. News & World Report's 2012-13 Best Children's Hospitals Rankings. Much of the quality related data collected for the rankings are based on measures underpinned by health information technology, such as electronic health records. U.S. News & World Report released the rankings on June 5.

Imprivata's OneSign Platform Seamlessly Integrates with Box Butte's Sun Ray System to Accelerate Access to Patient Data and Eliminate Password Headaches