The Strongest Encryption Available—Always Certain older browsers and operating systems will not connect at the strongest encryption level available to them unless there is a Server Gated Cryptography (SGC)-enabled certificate on the server. VeriSign is the leading SSL provider of SGC-enabled SSL Certificates, enabling 128- or 256-bit encryption for over 99.9% of Internet users. The Web’s Most Trusted Security Provider VeriSign is the SSL Certificate provider of choice for over 93% of the Fortune 500 and the world’s 40 largest banks. They trust VeriSign because of our encryption technology and rigorous business authentication practices. When you protect your site with Secure Site Pro SSL Certificates and display the VeriSign Secured Seal, you help your customers know that their transactions are secure. Guaranteed Express Delivery VeriSign guarantees delivery of Secure Site Pro SSL Certificates within 2 business days or we will refund 50% of your order. The guarantee applies to organizations located in the United States that pay by valid credit card and have a Dun and Bradstreet DUNS number and valid domain name as stated in the VeriSign Certification Practice Statement. Add to Cart