Cisco has enhanced its DNS security offerings with the launch of its newly renamed software, Cisco Secure Access – DNS Defense. This updated version incorporates AI-based DNS tunneling mitigation and enhanced cloud malware detection capabilities, providing organizations with a robust solution to combat online threats.

The new DNS Defense software replaces both the Cisco Umbrella DNS Essentials and Advantage packages, offering improved detection rates for DNS tunneling techniques, with an 11.1% increase and fewer false positives. Additionally, it features AI-driven tools designed to thwart communications with malicious domains produced by Domain Generation Algorithms (DGA), which are often used in command-and-control attacks.

This software is capable of blocking domains related to activities such as phishing, malware, and botnets, while also providing features like custom block and allow lists. Users can enjoy real-time security activity reports that help identify compromised systems. With many organizations relying on their internet service providers for DNS resolution, Cisco underscores the growing importance of DNS optimization for security, performance, and compliance—especially in the context of the rise of remote work.

Cisco highlights that unlike many other Secure Service Edge (SSE) solutions that treat DNS security as a mere checkbox compliance issue, its DNS Defense is integrated into a global network of over 50 DNS data centers. This integration ensures low-latency and fast DNS resolution while providing a seamless failover process.

Additional features included in DNS Defense are:

• SaaS API Data Loss Prevention: This functionality monitors and protects sensitive data within cloud platforms such as Microsoft 365 and Google Workspace, identifying any data exposure and ensuring compliance.
• Cloud Malware Detection: It automatically scans files stored in various cloud services for malware, preventing harmful files from reaching endpoints.

DNS Defense is also part of a larger Cisco Secure Access package that consolidates multiple security functions into a single platform, allowing customers to select which features they want to implement. Existing users of Cisco Umbrella can seamlessly transition to DNS Defense without needing to redeploy software or modify network configurations.

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