Today, we announce 3 new managed rule products on AWS WAF from F5 Networks. With this launch we now have 6 Sellers (F5 Networks, Imperva, Fortinet, Trend Micro, Alert Logic and TrustWave) with 14 managed rule products that you can subscribe to either via the AWS Marketplace or from within the AWS WAF Console.  

Source: Amazon Web Services News New Products for Managed Rules on AWS WAF