What are three sources of malware sample data for the Threat Intelligence Cloud?

Palo Alto Networks' Threat Intelligence Cloud sources malware sample data from various significant inputs:

Next-generation firewalls deployed with WildFire Analysis Security Profiles: These firewalls are equipped with WildFire Analysis Security Profiles, which analyze unknown files and email links to detect zero-day threats and malware. This provides a rich source of real-time threat data.

WF-500 configured as private clouds for privacy concerns: The WF-500 appliance is used by organizations that prefer to maintain privacy and have stringent data control requirements. It serves as a private cloud for malware analysis, adding another layer of data collection.

Third-party data feeds: Partnerships with organizations like ProofPoint and the Cyber Threat Alliance enable Palo Alto Networks to integrate additional threat intelligence feeds. These third-party collaborations expand the breadth and depth of threat data available for analysis and defense​ (Palo Alto Networks)​​ (Palo Alto Networks)​​ (Palo Alto Networks)​.