Enterprise Network Security

New era of networking with Cisco DNA security

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.

Reduce the attack surface

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

Accelerate incident response

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

Stop the breach

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

What’s inside Cisco DNA security

Segmentation and policy enforcement

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


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.


Ensure consistent security across branches, clouds, and users with the flexible and highly secure SD-WAN fabric.

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 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 .

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.

Related solutions

Ransomware Defense

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

IoT Threat Defense

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.

Meraki security

Secure your environment in minutes using zero-touch cloud provisioning. Cisco Meraki security appliances include features like a stateful firewall and an integrated Sourcefire intrusion prevention engine, all managed from the cloud.

News and events

Cisco named a Leader by Gartner

Cisco was named a Leader in the 2018 Gartner Magic Quadrant for Enterprise Network Firewalls.

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

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