Internet security is a serious issue that needs to be periodically addressed.
Many of you use Authorize.net for an e-commerce gateway. Authorize.net will be upgrading their security certificates on May 26. Basically, the encryption being used for SSL is being changed.
If your patrons are using older browsers, this could cause problems with their online ticket orders. Please put a notification on your website to update their browsers if they have an issue buying a ticket.
Read the full notice here.