DNS Defense
A cloud-delivered security service that uses the Domain Name System (DNS) layer to prevent users and devices from connecting to malicious or unwanted internet destinations.
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Picari insights
Mid-market to enterprise organizations seeking a low-friction, cloud-delivered DNS security layer to proactively block threats and enforce web policies across hybrid and distributed workforces.
- First line of defense against phishing, ransomware, and C2 callbacks
- Protecting roaming and off-network remote endpoints without backhauling traffic
- Rapid, low-overhead security deployment across distributed branch sites
- Deep packet payload inspection and full session traffic reconstruction
- Internal east-west lateral movement detection that does not query external DNS
- Air-gapped or fully offline network environments
Core capabilities
Common use cases
Cloud file storage malware protection
DNS-layer threat prevention for remote workers
Enterprise web content filtering
Every product has trade-offs, and which of them matter depends on your environment, your team and your timeline.
Cisco DNS Defense pricing and integrations
For Cisco DNS Defense integration and pricing details, ask Picari. Start a briefing with your question, such as whether it connects to your SIEM, identity provider and ticketing stack, or how it is priced at your seat count and data volume.
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Are you from Cisco? Verify this profileProfile last updated on 6 September 2026 by Picari.