Yes, your credit card transaction is secure. We take the site security issue very seriously; therefore, security is closely monitored to prevent any unauthorized disclosure or use of credit card numbers and to protect the confidentiality of your personal information. KnowledgeStor uses the SSL (Secure Socket Layer) industry standard and the Verisign Secure Server to guarantee the safety of your online purchases. Microsoft Internet Explorer is an SSL-compliant browser with which you will be able to conduct end-to-end encrypted transactions without fear of an intermediary obtaining your credit card information. SSL encrypts your credit card number and your personal information, such as your name and address before they travel over the Internet.