Better install up to antivurus on your computer, always check for the latest updates available. Also, choose strong passwords and scan your site with a good quality antivirus regularly. Most importantly, secure it with firewall.
1. Go to Administrative tools.
2. Select Internet Information Services Manager
3. Expand the server and the application pools group.
4. Right Click the Application pool that you want to configure and click properties.
5. Find the recycling settings in the first tab.
More than protecting sensitive information, using SSL can also help you gain the trust of your customer. Customers will most likely trust your website when they see a lock icon or a green bar or other visual cues that their connection is secured.