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Router Security

Defend your branch

Protect your data from malware, intrusions, denial-of-service attacks, and advanced threats. Cisco routers work together to extend corporate security to your branch and WAN to defend your entire network. With integrated network security, you get protection against sophisticated threats while maintaining outstanding performance and lowering costs.

With router security you can...

Simplify branch management

Save time and money with an all-in-one platform — physical or virtual.

Respond quickly to threats

Mitigate security vulnerabilities. Offer your branch and customers protection where they need it most.

Get visibility and analytics

Extend visibility into the branch network and gain security intelligence.

Lower costs, boost performance

Use an Internet path to consume less bandwidth and improve application performance.

Explore our network security technologies

Whether you need to protect your LAN, WAN, or cloud network, Cisco Router Security has a threat protection technology to meet your needs, for any user or device. Our ISR 1000ISR 4000, ASR 1000, and CSR 1000V routers offer a comprehensive suite of router security solutions. These include:

Branch threat defense

Get perimeter control protection, intrusion prevention, Web security, and malware protection.

Secure connectivity

Highly secure connectivity includes site-to-site and remote access VPN technologies. They protect sensitive enterprise communications.

Visibility and analytics

Visibility allows you to see network traffic and understand a baseline. Analytics and machine learning help you identify threats--even in encrypted traffic.

IT service provider secures WAN edge

"With the ASR 1000 router, we can secure the data center and have wire-speed routing capabilities, eliminating the need for a dedicated firewall appliance. Its IOS XE-based, zone-based firewall and dynamic routing capabilities integrate smoothly into our existing network, securing the network zones while keeping full dynamic routing."

Michael Kunze, head of Global Voice and Data Communications, Sycor

Security Services

Cisco Services help you integrate technologies, migrate from other solutions, and optimize your existing solutions so that you get the strongest possible security.

Encrypted Traffic Analytics (ETA)

Cisco Digital Network Architecture (Cisco DNA) is the industry’s first network with the ability to find threats in encrypted traffic. ETA is now available on more platforms, including 1000 Series ASRs, 1000 and 4000 Series ISRs, and the Cloud Services Router 1000V Series.

News and events

Encrypted Traffic Analytics

Encrypted Traffic Analytics now available. See our new software platform, which monitors network packet metadata to detect malicious traffic--even if it's encrypted.

Make sure security is in your Cisco DNA

Use your network to reduce risk and complexity.

Move to direct Internet access

Learn how to ensure better application experiences and secure your branch.

For partners

Are you a Cisco partner?  Log in to see additional resources.

Looking for a solution from a Cisco partner? Connect with our partner ecosystem.

View all security partner resources