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Enterprise Network Security

New era of networking

The network is becoming the center of your digital business, but it faces new security challenges. The ever-expanding perimeter is difficult to protect from today's advanced threats, which use many tactics, from credential theft to encrypted attacks.

The network itself is your greatest security asset. Activate your network as a security sensor to detect and contain threats wherever they may be.

What Cisco DNA Security can do for you

See everything

Obtain complete visibility of users, devices, threats, networks, applications, workloads, and processes.

Accelerate incident response

Identify the root cause of an alert in minutes with automated threat detection and simple summaries.

Reduce the attack surface

Use role-based segmentation to stop attackers from moving laterally.

Stop the breach

Quickly detect and respond to threats before hackers can steal data or disrupt operations.

What’s inside Cisco DNA Security

Network Security Analytics

Secure access to your evolving network, gain insights and awareness of everything hitting your network, and get alerted to policy violations and compromised devices in real time.


Grant the right levels of access to the right users. Contain potential attacks. Gain the power to take actions to protect your organization across the network.

Security Services

Confidently grow your business, implement new technologies, and anticipate and respond to threats with Security Services.

Encrypted Traffic Analytics (ETA)

Cisco Digital Network Architecture (DNA) is the industry’s first network with the ability to find threats in encrypted traffic. ETA is now available on more platforms, including Cisco Catalyst 9000 switches, ASR 1000 Series routers, 4000 Series Integrated Services Routers, and Cloud Services Router.

Getting started

Address network threats in four easy steps

Reduce risk and help ensure compliance by quickly identifying threats on your network .

See how companies succeed with Cisco DNA Security

Elavon enhances network security

Stealthwatch helps a payment processor increase visibility for faster threat detection.

Catching threats on a massive public network

Cisco Encrypted Traffic Analytics identified numerous encrypted threats at the biggest show for the mobile industry.

Protecting digital healthcare against emerging cyberthreats

With 300-plus care sites, including 12 hospitals, Sentara Healthcare provides a highly secure, digital care environment using Cisco Security.

Listen to the experts

An independent analysis found Cisco Encrypted Traffic Analytics delivers impressively fast, efficient, and intelligent threat detection.

Defend Mars using Stealthwatch

Secure encrypted-traffic devices on Mars and see Stealthwatch in action. Join the fun exploring new gaming levels and solution challenges.

Gain 120% ROI

Check out the cost savings and benefits of using Cisco Stealthwatch and the Cisco Identity Services Engine.



Our systems deliver an open, integrated security architecture across routing, switching, and wireless.


Get IPS, AMP, URL filtering, and application visibility and control in one consolidated appliance.


We offer comprehensive security in a single box, all managed from the cloud.

Cisco Services

Cisco Services help you integrate technologies, migrate from other solutions, and optimize existing systems for the strongest possible security.

Security Services

Accelerate adoption and get the most from your cybersecurity program and technology investments.

Cisco Identity Services Engine

Lock in security and support for business innovation with a custom deployment.

Related solutions

Ransomware can penetrate organizations in multiple ways. Use an architectural approach to strengthen defenses with detection, visibility, and intelligence.

Segment IoT devices and provide an adaptable, intelligent solution for protecting vital services like advanced medical care, power generation and delivery, automated manufacturing, and more.

News and events

Cisco 2018 Cybersecurity Report

Read the report that adversaries don’t want you to see.

2018 SC Magazine Winner

Cisco ISE was named the best NAC solution for the third consecutive year.

Security by design

Integrate security everywhere in your network. Start to finish. End to end.

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.