SSL certificates

You may have noticed when you access your gmail or yahoomail account the https in the internet browser address bar. Https stands for hyper text transfer protocol secure, meaning the information from your computer to their servers and from their servers to your pc. The data is transferred over the Secure Sockets Layer (SSL) with the help of certificates the domain is authenticated by third party, then data is encrypted before submitted. This way true data can not be seen by others. Dedicated SSL is a must if  you have an online store or website where you accept important info (credit card payments and other). It also authenticates your domain and prevents possible phishing.