LEXINGTON, Mass.--Imprivata, a converged identity and access management appliance supplier, announced this week it has closed a Series C financing round of $15 million. SAP Ventures, the venture capital arm of SAP AG, one of the largest providers of business software solutions, joined existing investors Polaris Venture Partners, General Catalyst Partners and Highland Capital Partners in the latest investment round. This investment will help Imprivata expand its reach into new markets and extend its position in the authentication management and enterprise single sign-on sector, company officials said in a statement.

"Imprivata's innovative approach to enterprise single sign-on and authentication management coupled with its unique integration to physical access control systems is helping companies worldwide address compliance and insider security threats," said Jennifer Scholze, partner, SAP Ventures, in a prepared statement. "The company has established dominant footholds in sectors such as healthcare, government and financial services and is poised to emerge as the independent vendor of choice. SAP Ventures is excited to be part of enabling its success."