SCALANCE S Industrial Security Appliance

Why SCALANCE S Industrial Security Appliances?

Industrial networks face constant cyber threats that can lead to production downtime, data loss, and safety risks. SCALANCE S Industrial Security Appliances provide robust protection by combining network segmentation, secure remote access, and seamless IT/OT integration within a Defense‑in‑Depth strategy.

With high-performance firewall and VPN capabilities, SCALANCE S enables precise control of communication between network zones while ensuring secure access across distributed industrial environments.

The product family includes:

Industrial firewall appliances, more information
Industrial VPN appliances, more information

Key benefits

Segment and secure industrial networks precisely

Reduce risks by dividing networks into secure zones and controlling communication with granular rules. Limit attack surfaces and protect production cells, lines, and plants from unauthorized access and lateral threat movement.

Enable secure and scalable remote access globally

Support remote maintenance and monitoring with encrypted communication. Enable secure access to distributed assets while maintaining full control and visibility across multiple sites and users.

Integrate OT securely into enterprise IT environments

Connect industrial networks with IT systems while maintaining compliance with IEC 62443. Ensure consistent security policies and seamless data exchange across all organizational levels.

Featured capabilities

High-performance firewall and VPN in one solution

Process up to 750 Mbit/s firewall throughput with up to 1,000 rules and support up to 200 VPN connections. Enable secure segmentation and encrypted communication within a single integrated platform.

Built-in redundancy for high availability and uptime

Ensure continuous operation with VRRP and firewall state synchronization. Maintain stable communication and seamless failover in case of device or network disruptions.

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Flexible deployment with industrial-grade robustness

Configure via TIA Portal, web interface, or CLI and integrate into network management systems. Operate reliably in harsh environments with extended temperature ranges and rugged hardware design.

A diagram showing a factory with a cybersecurity shield over it, indicating secure industrial operations.

Cybersecurity for Industry

Security information

In order to protect plants, systems, machines and networks against cyber threats, it is necessary to implement – and continuously maintain – a holistic, state-of-the-art industrial security concept. Siemens’ products and solutions only form one element of such a concept. For more information about industrial security, please visit.

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