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What is DNS Security Zscaler?

Published in Network Security 2 mins read

Zscaler DNS Security is a cloud-delivered security solution that protects your organization from threats hidden within DNS traffic by routing all DNS queries through the Zscaler Zero Trust Exchange. This leverages Zscaler's global cloud infrastructure, operating across 150+ locations, to deliver enhanced performance and security.

Here's a breakdown:

  • How it works: Zscaler DNS Security intercepts and analyzes all DNS requests originating from your network. This allows it to identify and block malicious domains, prevent data exfiltration, and enforce acceptable use policies.

  • Key Features:

    • Threat Protection: Blocks access to known malicious domains and identifies emerging threats using real-time threat intelligence.
    • Content Filtering: Enforces acceptable use policies by blocking access to specific categories of websites (e.g., gambling, adult content).
    • Data Loss Prevention (DLP): Prevents sensitive data from being exfiltrated via DNS tunneling.
    • Reporting and Analytics: Provides detailed reports on DNS traffic, blocked threats, and user activity.
  • Benefits:

    • Improved Security Posture: Protects against a wide range of DNS-based threats.
    • Reduced Risk: Minimizes the risk of malware infections, data breaches, and other security incidents.
    • Simplified Management: Centralized management and reporting via the Zscaler platform.
    • Enhanced Visibility: Provides comprehensive visibility into DNS traffic.
    • Scalability: Leverages Zscaler's cloud infrastructure to scale to meet the needs of any organization.
  • Integration with Zscaler Zero Trust Exchange: A key advantage is its seamless integration with the Zscaler Zero Trust Exchange platform. This allows for a holistic security approach, extending protection to all users, devices, and applications, regardless of location. Because it's part of the Zero Trust Exchange, it benefits from shared threat intelligence and policy enforcement across all Zscaler services.

In essence, Zscaler DNS Security provides a robust layer of defense against DNS-based threats, offering comprehensive protection, simplified management, and seamless integration within the Zscaler ecosystem.

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