Cisco Umbrella

Cisco Umbrella
OpenDNS · Public domain · source
Name	Cisco Umbrella
Developer	Cisco Systems
Released	2012
Latest release	2020s
Operating system	Cross-platform
Genre	Cloud security, DNS-layer security, Secure Web Gateway
License	Commercial

Cisco Umbrella

Cisco Umbrella is a cloud-delivered security platform developed by Cisco Systems that provides Domain Name System (DNS)-layer protection, secure web gateway capabilities, cloud access security broker functions, and threat intelligence services. It is positioned to block malicious domains, prevent command-and-control callbacks, and enforce acceptable-use policies for distributed users and remote offices. Umbrella integrates with networking and security products from Cisco and third parties to provide layered defense across endpoints, branch locations, and cloud applications.

Overview

Cisco Umbrella originated from the acquisition of OpenDNS by Cisco in 2015 and evolved into a flagship cloud security offering alongside Cisco's network, endpoint, and cloud portfolios. The service leverages a globally distributed DNS infrastructure to process billions of DNS requests per day, combining that telemetry with machine learning and threat research to identify malicious infrastructure. Umbrella is marketed to enterprises, educational institutions, healthcare providers, and public-sector organizations seeking DNS resolution, content filtering, and threat blocking without deploying on-premises appliances. Its strategic positioning complements other Cisco products such as Cisco Secure Client, Cisco SecureX, and Cisco AnyConnect in integrated security architectures.

Architecture and Components

The core architecture centers on Anycasted DNS resolvers distributed across global data centers that respond to recursive DNS queries and enforce policy decisions. Key components include recursive DNS resolvers, the Umbrella Roaming Client for endpoint policy enforcement, the Secure Web Gateway (cloud-based proxy), and the Cloud Access Security Broker (CASB) integration for application visibility and control. Additional elements involve the Investigate threat intelligence dashboard, the Management Console for policy administration, and APIs for SIEM and orchestration tools like Splunk, ServiceNow, and Palo Alto Networks integrations. The architecture supports enforcement both at the network edge—via DNS forwarding from routers and firewalls such as those from Juniper Networks and Fortinet—and at remote endpoints via agents compatible with Windows, macOS, Android, and iOS.

Features and Functionality

Umbrella provides DNS-layer security to block resolution of known malicious domains, sinkholing for infected hosts, and predictive blocking of emerging threats using statistical models. The Secure Web Gateway offers URL and content inspection, file sandboxing integrations, and SSL/TLS decryption options to apply policy on web traffic. The platform includes comprehensive reporting and real-time dashboards for threat activity, top blocked domains, and investigative workflows. Identity-aware policies allow mapping of DNS activity to users via integrations with directory services such as Microsoft Active Directory, Okta, and Azure Active Directory. API-driven automation enables feed ingestion, quarantine orchestration with endpoint platforms like CrowdStrike and Microsoft Defender for Endpoint, and enrichment for security orchestration tools. Umbrella also supplies phishing protection, command-and-control detection, and categorization of sites using a taxonomy informed by Cisco Talos threat research.

Deployment and Integration

Deployment models include DNS forwarding for routers and DHCP servers, recursive DNS settings for mobile and remote clients, and installation of the roaming client or use of native platform resolvers. Integration points span Cisco product lines—such as Cisco Meraki, Cisco ISR/ASR routers, and Cisco Firepower—as well as third-party firewalls, proxy servers, and identity providers. Administrators can deploy policies per network, per user group, or per device, and use APIs to integrate with orchestration platforms like Ansible and Terraform. Umbrella supports hybrid environments where on-premises resolvers forward to Umbrella, and can interoperate with data loss prevention solutions, secure email gateways, and cloud-native security tools from vendors such as Amazon Web Services, Microsoft Azure, and Google Cloud Platform.

Security and Privacy Considerations

Security considerations emphasize protecting telemetry, ensuring robust access controls, and preserving DNS confidentiality where practical. Umbrella relies on encrypted lookups via DNS-over-HTTPS (DoH) and DNS-over-TLS (DoT) in supported clients to mitigate on-path eavesdropping; however, network architectures and endpoint configurations can affect the end-to-end protection. Privacy considerations include the collection of DNS query metadata for threat analysis and service operation; Cisco publishes privacy policies and offers data residency controls for customers with regulatory constraints. Organizations must balance centralized logging and threat hunting benefits against compliance regimes such as HIPAA, GDPR, and FedRAMP, and may employ granular policy exclusions or local resolvers to meet legal obligations.

Licensing and Editions

Cisco markets Umbrella through tiered subscription editions that bundle DNS-layer security, secure web gateway features, CASB functionality, and threat intelligence. Editions commonly include a DNS-only package for basic filtering, a DNS + Secure Web Gateway bundle for content and web inspection, and broader Secure Access or Secure Internet Gateways that integrate endpoint and cloud controls. Licensing is typically per-user or per-seat and offered with enterprise support options, professional services, and add-ons for advanced threat feed integration, Roaming Client licensing, and API access. Cisco's channel partners, managed service providers, and reseller ecosystem help deploy and manage licensing for small businesses through large enterprises.

Reception and Market Adoption

Umbrella has been widely adopted across sectors including finance, education, healthcare, and government, and is cited in market analyses alongside competitors such as Zscaler, Palo Alto Networks (Prisma Access), and Akamai. Industry reviews and analyst reports have highlighted Umbrella's ease of deployment, DNS-layer efficacy, and telemetry-rich threat intelligence derived from Cisco Talos. Criticisms often focus on the need for supplemental inspection for encrypted traffic, potential complexities in multi-vendor environments, and costs associated with higher-tier editions. Large enterprises and MSPs frequently leverage Umbrella as part of a layered security strategy integrated with endpoint protection, network segmentation, and cloud security controls.

Cisco Systems OpenDNS Cisco Talos Anycast DNS-over-HTTPS DNS-over-TLS Secure Web Gateway Cloud Access Security Broker Microsoft Active Directory Okta Azure Active Directory CrowdStrike Microsoft Defender for Endpoint Splunk ServiceNow Ansible Terraform Meraki ISR ASR Firepower Juniper Networks Fortinet Zscaler Palo Alto Networks Prisma Access Akamai Amazon Web Services Microsoft Azure Google Cloud Platform HIPAA GDPR FedRAMP TLS SSL Endpoint Security Roaming Client SecureX AnyConnect Secure Internet Gateway Managed Service Provider Security Information and Event Management Threat Intelligence Malware Phishing Command-and-Control Sandboxing Data Loss Prevention Email Gateway Identity Provider SIEM Professional Services Channel Partner Reseller Telecommunication Finance Education Healthcare Government Cisco Secure Client Cloud Security Network Security Policy Management Telemetry Logging Encryption Regulatory Compliance Security Orchestration APIs Threat Hunting Machine Learning Statistical Model Investigate Management Console Secure Gateway Proxy Server Data Residency Quarantine Traffic Inspection Categorization Taxonomy Enterprise Small and Medium-sized Business Professional Services Support Subscription Per-user Licensing Agent-based Enforcement Roaming Agent On-premises Appliance Hybrid Cloud Global Data Center Recursive Resolver Sinkholing Top Blocked Domains Reporting Dashboard User Group Directory Service Telemetry Pipeline Policy Enforcement URL Inspection Content Filtering SSL/TLS Decryption Phishing Protection

Category:Network security software