vary, but you can get a free certificate or pay per month to obtain a custom certificate. On the free side — offers certificates at no cost, but I would strongly recommend that you have someone knowledgeable about the DNS and technical setup of your website to help. These certificates will also expire every 90 days, so make sure they stay up to date. Some CMS platforms like HubSpot's free CMS will offer a to help get your website security started., SSL, or Secure Sockets Layer, is an encryption -based Internet security protocol. It was first developed by Netscape in 1995 for the purpose of ensuring privacy, authentication, and data integrity in Internet communications. SSL is the predecessor to the modern TLS encryption used today., SSL is standard technology for securing an internet connection by encrypting data sent between a website and a browser (or between two servers). It prevents hackers from seeing or stealing any information transferred, including personal or financial data..