Backhaul
(also reverse haul)
Backhaul definition
Backhaul is the process of transporting data from a remote site or network to a central location, like a data center. Essentially, it connects end users to the core networks. Backhaul is important because it allows data transmission between multiple locations, enabling network expansion and connectivity to users in remote or hard-to-reach areas. However, backhaul transmits sensitive data, meaning organizations must ensure the security of backhaul infrastructure to protect the integrity, confidentiality, and availability of the transported data.
Backhaul advantages
- It establishes connectivity between remote locations and core networks.
- Securely transmits sensitive data, preventing unauthorized access.
- Enables straightforward scalability, ensuring high efficiency and performance levels.
- Delivers reliable communication services, minimizing downtime and service disruptions.
- Supports various technologies, including wired and wireless, allowing for flexibility in deployment.
Disadvantages of backhaul
- Deploying and maintaining the backhaul infrastructure is quite expensive.
- The technology might introduce capacity limitations, leading to network congestion, unsatisfactory performance, and latency.
Protecting backhaul
Encryption. Strong encryption protocols will help you protect data transmitted from unauthorized access and tampering, particularly for wireless backhaul technologies.
Access control. Robust access controls ensure that only authorized users can access and manage the backhaul infrastructure. For instance, you can use multi-factor authentication (MFA) or role-based access control (RBAC).
Network segmentation. If you segment the backhaul network from other parts of the infrastructure, you can immediately minimize the impact of a successful cyber attack. In addition, network segmentation will help you better monitor and manage traffic.
Intrusion detection and prevention. IDPS will help you identify and respond to potential threats as these systems monitor network traffic for signs of malicious activity and can automatically take action to mitigate or block threats.
Regular security assessments. Conducting regular assessments, such as vulnerability scans and penetration tests, will help you timely identify and remediate potential weaknesses in the backhaul infrastructure.