Barracuda Energize Updates provide your Barracuda Networks appliance with the protection from the latest Internet threats. Our team at Barracuda Central continuously monitors the Internet for new trends in network security threats and develops strategies to mitigate those threats. Depending on the appliance, Energize Updates include the appropriate definitions for spam, virus, web filter, spyware filter, intrusion prevention, IM protocols, and document formats. Updates are delivered on an hourly basis to ensure you always have the latest definitions and the most comprehensive protection.