The company's software and services ensure the privacy of electronic communications and transactions across corporate networks and the Internet. Entrust's software is used to authenticate users via smart cards, passwords, and biometric devices, controlling access to information in e-mail, databases, Web pages, and business applications. The company also offers services such as consulting, deployment, and managed security services. It targets vertical markets such as health care, financial services, and government agencies. Entrust was acquired by private equity fund Thoma Bravo for $124 million in 2009.