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    Secure Access – DNS Defense

    Zero Trust / SASE / SSE

    A cloud-delivered security service that uses the Domain Name System (DNS) layer to help prevent users and devices from connecting to malicious or unwanted internet destinations.

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    Picari insights

    Mid-sized to large distributed enterprises seeking a lightweight, cloud-delivered first line of defense to block malicious web traffic and enforce acceptable use policies at the DNS layer.

    Best for
    • First-line defense against phishing, ransomware, and malicious domains
    • Rapid, lightweight off-network protection for roaming endpoints
    • Blocking Command and Control (C2) callbacks at the DNS layer
    May not be ideal if
    • Organizations requiring deep packet, payload, and file-level content inspection
    • Granular inline data loss prevention (DLP) and CASB policy enforcement
    • Teams looking for an all-in-one standalone SSE without tiered packaging

    Core capabilities

    AI-based detection for DNS tunneling and Domain Generation Algorithms
    Cloud Data Loss Prevention (DLP)
    DNS-layer threat blocking for malware, phishing, ransomware, botnets
    Web content filtering and policy controls

    Common use cases

    01

    guest Wi-Fi security

    02

    hybrid and remote workforce protection

    03

    SD-WAN security

    Things to consider

    Every product has trade-offs, and which of them matter depends on your environment, your team and your timeline.

    Ask Picari about Cisco Secure Access – DNS Defense

    Cisco Secure Access – DNS Defense pricing and integrations

    For Cisco Secure Access – 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.

    Ask Picari about Cisco Secure Access – DNS Defense pricingAsk Picari about Cisco Secure Access – DNS Defense integrations

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    Profile last updated on 7 September 2026 by Picari.