OT Network Segmentation in Industrial Networks
We implement smart segmentation with industrial firewalls to protect your critical industrial control systems (ICS/OT) from cyber threats.
OVERVIEW
High-Performance Edge Integration
Integrating production (OT) networks with IT networks increases cyber vulnerability. Our OT Network Segmentation solutions isolate production zones and PLC groups to block the lateral movement of cyber threats. Controlsan configures your network using TXOne EdgeFire industrial security gateways, defines DPI rules, and implements zero-trust security without interrupting production.
Our solutions guarantee zero system loss and continuous protection across critical assets.
Detailed Solution Analysis
1. Cybersecurity Requirements in Industrial Networks
Security firewalls used in standard office networks (IT) do not understand industrial automation (OT) protocols. PLCs, SCADA hosts, and HMI units on factory floors typically lack encryption and authentication. Consequently, malware or ransomware breaching the perimeter can spread across the entire factory in seconds. Controlsan closes this critical gap by isolating production lines into safety zones.
2. Deep Packet Inspection (DPI) and Virtual Patching
The TXOne security appliances we deploy perform Deep Packet Inspection (DPI) on industrial protocols like Modbus, Profinet, Siemens S7, EtherNet/IP, and EtherCAT. Only pre-approved PLC read/write commands are permitted. Additionally, using Virtual Patching at the network layer, we shield legacy, unsupported operating systems and unpatchable PLCs against vulnerabilities without firmware modifications.
3. Alignment with the IEC 62443 Standard
Controlsan engineers execute segmentation projects in strict alignment with the international IEC 62443 industrial security standard. All plant assets are cataloged to map the Zones and Conduits model. Security Levels (SL) are assigned. TXOne EdgeFire appliances are deployed in transparent bridge mode, avoiding IP address reallocation and eliminating production downtime.
TECHNICAL CAPABILITIES
System Features & Engineering Architecture
01
Industrial Protocol DPI
Inspects and filters protocols such as Modbus, Profinet, Siemens S7 at the lowest levels.
02
Virtual Patching
Protects legacy unpatched PLCs and operating systems at the network level.
03
Zero Trust Architecture
Allows only authorized communication traffic between all field hardware devices.
04
Transparent Integration
Deploys hardware without changing network structure or breaking IP addressing scheme.
Engineering & Integration Power
Kontrolsan is not just a hardware supplier. We analyze your field on-site, draw up exact network topology and sensor layout diagrams, install secure cabinets, run cables, configure Zero-Trust networks, and integrate all field data securely with your central SCADA and komuta kontrol (PSIM) systems.
OPERATIONAL VALUE
What are the Key Benefits?
RECOMMENDED HARDWARE
Associated Edge & Cyber Security Products
Siber Güvenlik
TXOne EdgeFire Industrial OT Security Gateway
Industrial-grade OT firewall for critical networks and PLC lines.
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