Is it secure to apply online for credit card? Every credit card issuer that provides online applications for their cards makes sure that their sites are secure. They use SSL (Secure Socket Layer) technology to encode and transmit information between one’s computer and their server. Every year banks spend great amount of money to maintain their online services according to the highest standards of internet commerce. Many banks develop other security solutions to strengthen the safety of this process even further. Without getting into details, we will just say that you can apply online for credit cards with peace of mind. For all the modern technologies used for protection of your information make this procedure probably even more secure than mailing your application via post services.