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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 Enterprise Network Security can do for you

Reduce risk

Turn your network into a security system with solutions designed to interoperate and provide multilayered protection.

Lower complexity

Choose between integrated, dedicated, and cloud-managed options for comprehensive end-to-end security.

Gain deep visibility

Use real-time data to secure access, provide intelligence, and sense suspicious activity—even in encrypted traffic.

Protect against threats

Enforce policy and take action to protect your organization across the network from known and unknown threats.

See how companies succeed with Enterprise Network Security

Elavon enhances network security

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

Protecting patient and research data

Cisco Umbrella helps a hospital reduce incident response times by 75 percent.

Secure connectivity for Rio Olympics

Learn how Cisco solutions delivered a secure network that handled over 2.1 PB of traffic.

What’s inside Cisco Enterprise Network Security

Network as a sensor

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.

Network as an enforcer

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.


Trustworthy Systems

Reduce risk with security embedded into hardware and software by design.

Security Services

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

Mars needs your help

Build a network to protect the base. Take the Mars Network Challenge, now with new levels and challenges.

Encrypted Traffic Analytics

Learn how you can identify malware in encrypted traffic using network analytics.



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.

Improve your results with our services

Solve problems faster. Reduce your risk of downtime. And focus on business innovation.


Our open, software-driven approach constantly learns. Constantly adapts. Constantly protects.​

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

Explore ETA in depth

Get a technical look at how the network can detect anomalies, even in encrypted traffic.

The latest in networking in 5 minutes

Want to know the difference between the next big thing and marketing buzz?

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.