What is network security?

Firewalls and security groups are important in securing your cloud environment and the information stored in it, as well as preventing malicious activity from reaching your servers or users.

Read the cloud security white paper (PDF, 291 KB) →


Features list

IBM Cloud® network security features

Enhanced control

With security groups, easily define security policies at the instance level for virtual firewall protection.

Customized for your needs

Quickly and easily accommodate your security needs with a variety of hardware-based firewalls and scalable security groups.

On demand

Maintain your essential layer of protection and provision your firewalls on the fly without interrupting your service — when you need to and how you prefer.

IBM Cloud network security versions

IBM Cloud® Internet Services

Discover edge network services for securing internet-facing apps from DDoS attacks, data theft and bot attacks.

IBM Cloud security groups

Security groups can easily add instance-level security to manage traffic on public and private network interfaces.

FortiGate Security Appliance 10 Gbps

Secure your enterprise workloads in a reliable, powerful and consolidated way to manage and control your network.


Prevent unwanted traffic from hitting your servers and reduce your attack surface.

Related products

Content delivery network

Avoid network traffic jams and decrease latency by keeping your data closer to your users.

SSL certificates

SSL certificates let both parties in a transaction trust that data will only end up in the right hands.

Security software

A complete array of intrusion protection systems (IPS) and intrusion detection and prevention systems (IDPS) software at the network and host level.

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