Yes, absolutely. The online quote & buy website is secured by SSL (secure sockets layer) using a security certificate provided by geotrust.
The presence of SSL means you can rest assured that communications (e.g. Credit card numbers) between your browser and this site web servers are private and secure when the SSL session is activated.
How to check whether a website uses SSL: look at the website address (url) in the address bar and see if it starts with https, instead of http.