Imprivata, bulking up in health-care data security, buys biometrics maker HT Systems

Imprivata, the healthcare IT security company, is going full-force into the patient identification market with its announcement today of its purchase of HT Systems, a provider of vein-scan biometric technology. Executives at Imprivata and HT Systems gave Fortune an exclusive preview of the deal this week, and said they would provide more details at Imprivata’s quarterly earnings call May 4.