What is the purpose of FortiGate’s ‘FortiGuard’ service in security profiles?

FortiGuard services provide real-time threat intelligence updates to FortiGate for signatures, URL databases, and anti-malware, enhancing security profiles like IPS and web filtering. It does not handle log storage (B), VPN encryption (C), or HA synchronization (D). Exact extract: "FortiGuard services deliver real-time threat intelligence, updating FortiGate with the latest signatures, URL databases, and anti-malware definitions for security profiles."