Palo Alto Networks Enterprise DLP is a cloud-delivered subscription service specifically designed to protect sensitive data. It integrates with the firewall via Data Filtering profiles. When the firewall detects traffic that matches a Data Filtering profile rule, it forwards the content (which can be non-file-based, such as credit card numbers in a web form) to the Enterprise DLP cloud service. This service then uses advanced analysis to render a verdict and enforce the policy, providing consistent data protection. This mechanism is distinct from file-based analysis performed by services like WildFire.

B. SaaS Security Inline: This service provides visibility and granular control over SaaS applications, rather than performing cloud-based analysis of sensitive data patterns in general traffic streams.

C. Advanced URL Filtering: This subscription categorizes websites and protects against web-based threats like phishing and malware; it does not analyze traffic content for sensitive data patterns.

D. Advanced WildFire: This service is a cloud-based sandbox that analyzes files and email links to identify unknown malware, not non-file format-based data streams.

1. Palo Alto Networks. (2023). Enterprise DLP Datasheet. "Palo Alto Networks Enterprise DLP is a cloud-delivered service that helps you discover, monitor, and protect sensitive data across your enterprise... When the firewall detects traffic that matches a Data Filtering profile, it forwards the content to the Enterprise DLP cloud service for analysis." (Page 1, "How It Works" section).

2. Palo Alto Networks. (2023). PAN-OS® 11.0 Administrator's Guide. In the "Data Filtering" chapter, under the "Data Filtering Overview" section, it states: "When you activate the Enterprise DLP plugin, the firewall uses the DLP cloud service to check for sensitive data in web (HTTP/HTTPS), FTP, and email (SMTP/IMAP) traffic." This confirms the use of a cloud service for data analysis based on Data Filtering profiles.

3. Palo Alto Networks. (2023). PAN-OS® 11.0 Administrator's Guide. In the "WildFire" chapter, under the "WildFire Overview" section, it clarifies its function: "WildFire® is a cloud-based service that provides advanced threat analysis for unknown files..." This explicitly differentiates it from the non-file-based analysis described in the question.