Network Based Intrusion Detection Systems: A Guide to Increasing Security in Nigeria

9 January 2023

8 minutes read


Nigeria is a nation that is constantly under threat of cybercrime, with a lack of secure networks, making it a prime target for malicious hackers. To protect against such threats, Network Based Intrusion Detection Systems (NIDS) are an essential tool. NIDS are designed to detect malicious activities on a network, alerting the user to any potential threats and allowing them to take the necessary steps to increase their security. This guide will explain exactly how NIDS work and how they can help to increase security in Nigeria. It will cover the different types of NIDS, the benefits of using them and the potential risks associated with deploying them. Furthermore, it will provide practical advice on ways to maximize the effectiveness of NIDS in protecting Nigerian networks. By the end of this guide, readers will have a better understanding of Network Based Intrusion Detection Systems and the role they play in ensuring the security of Nigerian networks.

What are Network Based Intrusion Detection Systems?

NIDS are computer systems that are designed to detect malicious activities on a network. They sit between the computer and the network and monitor the traffic between the two, searching for known malicious activities. If a specific event is identified as malicious, the NIDS will trigger an alert, indicating that there is a potential cyber threat. Essentially, NIDS act as a security guard for your network, monitoring incoming and outgoing traffic for suspicious activity. This can help network administrators to identify and mitigate potential threats before they have a chance to cause any damage. NIDS are an essential tool for organizations that wish to protect against malicious threats on their network. With the ever-increasing threat of cybercrime, it is more important than ever to maintain secure networks. A NIDS will help to achieve this. By monitoring all incoming and outgoing traffic and identifying malicious activity, NIDS can help to prevent a wide range of potential threats, including viruses, hacking attempts and denial-of-service attacks.

Types of NIDS

There are two types of NIDS: Host-based NIDS and Network-based NIDS. While both types perform similar functions, they differ in how they are implemented and the level of network traffic that they monitor. Host-based NIDS. This type of NIDS is installed on individual computers and monitors the traffic that flows between the computer and the network. This means that a host-based NIDS only monitors a single computer, rather than an entire network. Therefore, the level of traffic that it can monitor is limited. This type of NIDS is used primarily on individual computers to identify malicious activities on a specific device. Host-based NIDS can be useful for organizations that have a distributed network, with a large number of remote users. It can help to protect against malicious activity on individual computers and can provide granular control over monitoring and alerting. Host-based NIDS are more effective at detecting insider threats, such as employees accessing confidential information. In contrast, network-based NIDS are better suited to detecting external threats, such as attacks from malicious actors on the network.

Benefits of Using NIDS

There are a number of benefits that organizations can gain from deploying NIDS. These include: Network administrators can use NIDS to detect malicious activity on an incoming network and take the necessary steps to block it. If malicious activity is detected, the NIDS can be programmed to drop the connection to prevent damage from occurring. Network administrators can use NIDS to see what type of traffic is flowing across their network, including the source, destination and type of data. NIDS can also be used to track bandwidth usage, helping to monitor and manage bandwidth-heavy applications. Network administrators can use NIDS to create granular access control policies for their network, allowing them to identify and block malicious activity.

Potential Risks of Using NIDS

Network based intrusion detection systems (NIDS) are designed to detect malicious activities on a network, such as viruses and hacking attempts. However, they also have the potential to affect the user experience. In addition, there are a number of risks associated with deploying NIDS: Excessive false positives. An excessive number of false positives can have a significant impact on the user experience. They can significantly slow down the network and reduce productivity. The network can also be clogged with alerts and be unable to process legitimate traffic. An excessive number of false positives can have a significant impact on the user experience. They can significantly slow down the network and reduce productivity. The network can also be clogged with alerts and be unable to process legitimate traffic. Disrupting legitimate traffic. NIDS can inadvertently disrupt legitimate traffic by triggering false positives that cause the network to drop the connection. This can cause a significant delay and interrupt the flow of legitimate traffic. NIDS can inadvertently disrupt legitimate traffic by triggering false positives that cause the network to drop the connection. This can cause a significant delay and interrupt the flow of legitimate traffic. Network bandwidth issues. Gaining visibility into network traffic can be useful. However, NIDS can consume a significant amount of bandwidth, causing network bandwidth issues. Gaining visibility into network traffic can be useful. However, NIDS can consume a significant amount of bandwidth, causing network bandwidth issues. Unbalanced traffic loads. When using NIDS to monitor traffic, it can cause the network to become unbalanced. This can cause latency issues, impacting the user experience. It can also cause issues with network scalability.

How to Maximize the Effectiveness of NIDS

In order to maximize the effectiveness of NIDS and protect against external threats, organizations should follow these key steps: Choose the right NIDS for your network. There are a wide range of solutions available on the market. However, it is important to choose one that is best suited to your network. To do this, it is essential to consider the level of traffic that the network is likely to receive. Also, it is important to select a solution that has the ability to scale to support future growth. There are a wide range of solutions available on the market. However, it is important to choose one that is best suited to your network. To do this, it is essential to consider the level of traffic that the network is likely to receive. Also, it is important to select a solution that has the ability to scale to support future growth. Deploy NIDS at the network level. It is best practice to deploy NIDS at the network level. This means that the NIDS will monitor all network traffic, regardless of the source. This will allow the NIDS to detect malicious activity on the network, regardless of its source. It is best practice to deploy NIDS at the network level. This means that the NIDS will monitor all network traffic, regardless of the source. This will allow the NIDS to detect malicious activity on the network, regardless of its source. Choose the right type of NIDS. It is important to select the right type of NIDS for your network. This will depend on various factors, including the size of your network and the amount of traffic it is likely to receive. It is important to select the right type of NIDS for your network. This will depend on various factors, including the size of your network and the amount of traffic it is likely to receive. Deploy NIDS at the right level. It is important to deploy NIDS at the right level within the network. This will depend on the type of NIDS that you choose. For example, if you select a host-based NIDS, then it should be deployed on each individual computer. However, if you select a network-based NIDS, then it should be deployed at the network level. It is important to deploy NIDS at the right level within the network. This will depend on the type of NIDS that you choose. For example, if you select a host-based NIDS, then it should be deployed on each individual computer. However, if you select a network-based NIDS, then it should be deployed at the network level. Manage false positives. It is important to manage false positives to reduce the risk of disrupting legitimate traffic. This can be done by manually reviewing each event and taking action only when necessary. Alternatively, you can use an automated system that filters out false positives, significantly reducing the risk of disrupting legitimate traffic.

Conclusion

Network based intrusion detection systems (NIDS) are computer systems that are designed to detect malicious activities on a network. They sit between the computer and the network and monitor the traffic between the two, searching for known malicious activities. If a specific event is identified as malicious, the NIDS will trigger an alert, indicating that there is a potential cyber threat. NIDS are an essential tool for organizations that wish to protect against malicious threats on their network. With


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