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What is Network Security ? And Different Types of Network Security 2022-TVDIT

network security

network security

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What is Network Security?

Network security can be described as general methods, technologies and processes to protect the confidentiality, integrity and availability of computer systems, networks and data against cyber attacks. or unauthorized access. The primary goal of cyber security is to protect all of an organization’s assets against external and internal threats and disruptions caused by natural disasters.

Why do you need network security?

In a world where more and more businesses are moving online, network security is more important than ever. There are different types of network security, each with its own strengths and weaknesses. Depending on your needs, you may need to implement multiple types of security to keep your data safe. But what exactly is network security, and what are the different types? Let’s take a closer look.

Different Types of Network Security and What They Mean for You?

The world of security can be confusing if you’re not an expert, and it’s easy to find yourself with no idea where to start. Luckily, there are tons of different types of network security that each have their own strengths and weaknesses, so you can pick the right method to protect your business from potential threats and hackers. Here are the most common types of network security and what they mean for you as an entrepreneur.

Different Types of Network Security:

Web Security:

Web Security

When you hear the term network security, web security is likely the first thing that comes to mind. And for good reason—after all, the internet is teeming with malware and cyber criminals just waiting to exploit any vulnerabilities they can find. That’s why it’s so important to have a robust web security strategy in place.

Here are some of the most common types of web security measures One way to help protect your site from attackers is by using a firewall. Firewalls prevent unauthorized access to your site or server by filtering out incoming traffic based on various criteria (such as IP address).

A proxy server works similarly, but instead of blocking traffic, it routes requests through an intermediary before sending them on their way. Other tools such as load balancers and DDoS mitigation services also offer protection against malicious hackers who want nothing more than to crash your site or steal information from it.

Host Firewalls:

Host Firewalls

A host firewall is a software program that runs on your computer or server. It filters the traffic that comes in and out of your network, based on a set of rules that you create. This type of firewall is often used in conjunction with a router firewall. The reason is that one type can’t cover all bases. If someone manages to get past your router firewall, they will still be blocked by your host firewall as long as it’s configured correctly.

Virtual Private Networks (VPN):

Virtual Private Networks

A VPN is a private network that uses a public network (usually the Internet) to connect remote sites or users together. VPNs use virtual connections routed through the Internet from the organization’s private network to the remote site or employee. All data passing between the two endpoints is encrypted to ensure privacy.

Intrusion Detection System (IDS) vs. Intrusion Prevention System (IPS):

Intrusion Detection System (IDS) vs. Intrusion Prevention System

An IDS monitors traffic and analyzes it for suspicious activity, while an IPS takes action to stop suspicious activity before it can cause harm. So, which one do you need? Depending on your network’s requirements, the answer could be either or both.

One of the main differences between these two systems is that IDS focuses more on the flow of data in your network rather than individual packets, meaning that it won’t detect spoofed packets (packets sent with a false sender address). For this reason, if you have a high level of spoofing traffic in your network then an IPS may be necessary to help mitigate this threat.

The next difference between these two types is that while both will alert you if they detect something unusual happening on your network, only an IDS will report the type of event detected. With this information in hand, you can take corrective actions as needed.

Preventing Malware:

Preventing Malware

Malware is a type of software that is designed to damage or disable computers. It is a serious threat to network security, as it can allow attackers to gain control of your system. There are several different types of malware, including viruses, worms, Trojans, and spyware. Each type has its own unique characteristics, but all are dangerous. Taking steps to prevent malware from infecting your system is essential to keeping your network secure.

There are several different ways to prevent malware infections, including installing antivirus software, using a firewall, and keeping your operating system up to date. Antivirus software works by scanning your system for malicious code and then removing it. A firewall can help prevent malware from infecting your system by blocking incoming traffic from known malicious sources.



When you hear the term encryption, it’s usually in the context of keeping data safe. That’s because encryption is a process of transforming readable data into an unreadable format. This is done by using an algorithm, which is a set of mathematical rules that can be used to encode or decode data.

There are two types of encryption: symmetric and asymmetric. Symmetric encryption, also known as private key encryption, uses the same key to encrypt and decrypt data. Asymmetric encryption, also known as public key encryption, uses different keys to encrypt and decrypt data.

LAN security:

LAN security

A LAN, or local area network, is a group of computers and associated devices that share a common communications line or wireless link. LAN security is the process of keeping unauthorized users from accessing data on the network. The most common type of LAN security is data encryption, which is used to protect information as it travels across the network. Other types of LAN security include access control lists (ACLs), firewalls, and password protection.

Cloud security:

Cloud security

As more businesses move to the cloud, it’s important to understand the different types of cloud security and how they can protect your data. The three main types of cloud security are Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS).

IaaS provides virtualized hardware that you can configure with operating systems and applications to create a secure environment in which your data is hosted. PaaS gives you access to software or programming languages that allow you to build applications without having to worry about the underlying infrastructure required for deployment or maintenance.

SaaS is self-explanatory; these services provide software on demand, so you don’t have any hardware or infrastructure requirements of your own.

Wireless network security:

Wireless network security

As more and more businesses switch to wireless networks, it’s important to understand the different types of security available and how they can protect your data. The most common type of security is WPA2, which uses a strong encryption algorithm to protect your data.

Other options include WEP, which is less secure but can be easier to set up, and WPA, which is a compromise between the two. When choosing a security protocol, it’s important to consider both the level of security you need and the ease of use.

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