Which Palo Alto subscription service identifies unknown malware, zero-day exploits, and advanced persistent threats (APTs)...

"The WildFire cloud-based malware analysis environment is a cyber threat prevention service that identifies unknown malware, zero-day exploits, and advanced persistent threats (APTs) through static and dynamic analysis in a scalable, virtual environment. WildFire automatically disseminates updated protections in near-real time to immediately prevent threats from spreading; this occurs without manual intervention"