Advanced URL Filtering by Palo Alto Networks is a cloud-delivered web security service that protects against web-based threats by combining malicious URL database capabilities with a real-time web protection engine. Powered by machine learning and deep learning models, it prevents known and unknown malware downloads, phishing attacks, credential theft, and command-and-control communication. The solution leverages inline deep learning capabilities and continuously trains on billions of transactions to prevent web-based threats in real time, stopping 76% of malicious URLs within 24 hours.