Fortinet’s FortiGuard Security Services delivers two essential services to Fortinet customers: Blocking spam emails before they reach customers’ mailboxes and blocking customers’ access to malicious web sites. To deliver real-time protection of emerging threats to Fortinet customers, the FortiGuard team has built one of the largest antispam and web filtering intelligence networks in the world. The FortiGuard Security Intelligence Database (SID) is a global intelligence database that creates and maintains a reputation score of email senders and websites. The FortiGuard SID is at the core of Fortinet’s antispam and web filtering threat protection technology.