Sectrio
These systems are typically found in critical infrastructure environments such as power plants, manufacturing facilities, and other industrial environments.
When implementing micro segmentation for OT security, it is important to consider the unique characteristics of ICS networks. These networks often have strict real-time requirements and are highly customized, which can make it difficult to implement traditional security controls. Additionally, many OT systems are legacy systems that were not designed with cybersecurity in mind, which further complicates the implementation of security controls.
Zero-Trust Model: One approach to implementing micro segmentation for OT security is to use a zero-trust model, which assumes that all network traffic is untrusted and requires strict authentication and authorization controls. This can be achieved through the use of network access control (NAC) technologies, such as firewalls, VPNs, and intrusion detection systems (IDS).
Another approach is to use a micro-segmentation solution, which allows for granular control over network access. This can be achieved through the use of software-defined segmentation (SDS) technologies like Sectrio. This provides a detailed visibility into network activity and allow for the creation of fine-grained security policies that can be used to isolate different segments of the network
In addition to these technical solutions, it is important to have a comprehensive incident response plan in place and to provide staff training on cyber security best practices. This includes regular system monitoring, software updates, and incident handling procedures.
Overall, micro segmentation for OT security is a complex task that requires a deep understanding of ICS networks and a multilayered security approach. It is crucial for CISOs to stay informed about the latest technologies and best practices in this field to effectively protect their organization's industrial control systems
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