RapidSSL Certificate
RapidSSL is the ideal certificate for websites conducting low volume transactions or web site administration areas. RapidSSL certificates provide 128/256bit encryption and are issued in minutes.
If you need to secure multiple unlimited sub-domains in a single certificate consider RapidSSL Wildcard
RapidSSL Wildcard Certificates help you secure all your subdomains with one, low-cost SSL certificate issued to *.yourdomain.com. This single certificate can be exported to unlimited servers for no additional cost.
If you just need to secure a single domain consider a RapidSSL Certificate