Palo Alto Networks Advanced DNS Security
About the product
Advanced DNS Security (ADNS) is a modern solution for Palo Alto Networks that protects against threats hidden in the DNS (Domain Name System) layer. The ADNS module works as an extension of Palo Alto’s NGFW functionality, enabling the detection and blocking of malicious domains and DNS queries used to communicate with cybercriminal infrastructure, such as Command and Control (C2) servers, DNS tunnels, and botnets.
The solution uses a hybrid model through local policy enforcement on NGFW and real-time cloud-based DNS threat analysis. Advanced DNS, powered by data from Palo Alto Networks’ global server network and WildFire system, allows for the ongoing identification of suspicious domains, even if they are not yet classified in public sources. ADNS Security operates based on security policies that can take into account the application, user, source of the query, and time of occurrence.
The system offers real-time DNS query blocking, redirection, or logging based on risk assessment and provides visibility into DNS statistics and logs for network behavior analysis and anomaly detection. Additionally, integration with Palo Alto Cortex XDR, Cortex XSIAM, and Cortex Cloud enables correlation of DNS events with other attack vectors.
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