Sucuri CloudProxy is a subscription service offering a Firewall (WAF) and Cloud-based IPS (intrusion prevention system) to protect and secure web site
CloudProxy is a Cloud-based WebSite firewall (WAF) and IPS (intrusion prevention system) for web sites. It runs in the Cloud and doesn't require anything to be installed on your site.
To start safeguarding your site, you need to sign up for a CloudProxy subscription.
Once you signup for it, you will get:
You can read more about some of the features here: http://cloudproxy.sucuri.net
Update-to-date pricing and features can always be found on the Plans & Pricing page.
Once enabled, it will protect your site against malware infections and reinfections and all sorts of attacks.