Today’s network environments are overwhelmed with multiple vendors and many connected devices. Due to overloaded networks, they are unsure of the measures to implement network security. The network defense team has a way out to fix the network complexity, to make them easily manageable, secure, and compliant.
The exponential growth of the network
The number of connection points to enterprise networks is daunting. Hybrid networks, cloud networks, physical networks, and connectivity of end devices, including mobile phones, are a major concern to the enterprise while ensuring their security. The security of the network is crucial to secure business operations from potential intrusions and keep them running at optimal efficiency. New connections are always deployed, ensuring security as an absolute requisite. The existing connections permissive rules must be removed, and servers must decommission. Human errors are to be factored even on a simple misconfiguration. Any change to the network environment, intentionally or unintentionally, might affect the entire network badly.
Major Threats in Network Security:
What does your network include?
Considering all network components, movable and non-movable, the actual risk arises from the manual error that can put the network in a state of jeopardy. This could lead to a potential loss of network productivity, disrupted business continuity, and increased risk from cybercriminals. The organization’s security team handles numerous change requests, regularly making it difficult to manage manually. In fact, one manual rule change error creates new access to the network inadvertently, which is ultimately exposed to cybercriminals. Such a small issue can escalate in big enterprises.
The network has also evolved from the physical data center to the incorporation of public cloud networks and hybrid networks. While dealing with the network remotely, understand their topology can be challenging. Security teams cannot view hybrid networks, too, and that complicates connectivity and security issues.
Balancing network segmentation and intricacy
Network segmentation is a phenomenon where the attacker is exposed only to a specific zone intruded and not beyond that. Enterprises, by creating segments in the network, can minimize privileges, ensuring only limited personnel has access to the data, applications, and information. On the other hand, segmentation adds complexity. More segments attract more requests for changes in the rules governing these zones.
Reducing network complexity with automation and orchestration
To reduce network complexity, the enterprise must adopt two tools – automation and orchestration. Due to continuous changes in the network, the decision made mustn’t place the organization at risk. The simplest way is to frame a security policy that can guide all changes in the network. A policy-based approach enables proper control for security and compliance of the network.
The next step to manage complexity is automation. Policy-Based Automation removes the risks of manual errors. With automation in place, the security team can analyze, design, and develop network security rules that eradicate unintended errors.
The coordination of network automation with policy guidance can be defined as orchestration. For the security team, there is a vast number of orchestration tools available to define policy in congestion with automation and not being overwhelmed by complexity. Rather than allowing a risk to create ripples and spoil the entire organization, an automated and orchestrated approach enables improvised security, compliance, and visibility. It is the role of a network defender to synchronize automation based on a policy approach to achieve orchestration.
A Certified Network Defender (C|ND) program from EC-Council is designed for all network administrators and those responsible for network security. Network administrators spend most of their time fixing network issues and hence, are aware of network components, traffic, topology, performance, utilization, security policy, etc. Thus, a network administrator can play a significant role as a network defender. The C|ND certification will take the career of a network administrator to a new level, where an administrator can be a part of a cybersecurity team. This new upgrade will create a gateway to many other prospects in the evolving cybersecurity industry.
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