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Network Security: Types, Advantages and Disadvantages

  • Hrithik Saini
  • May 16, 2022
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Today's network infrastructure is complicated, with a constantly evolving security environment and adversaries constantly looking for and exploiting weaknesses. These flaws can occur in a variety of contexts, including devices, data, programs, users, and places. 


As a result, several network security management solutions and apps are in use nowadays to tackle specific risks and vulnerabilities, as well as legislative non-compliance. 


When several moments of the outage may cause widespread interruption and severe harm to an organization's financial line and credibility, these safeguards are critical. Moving ahead with the in-depth sources about network security, let’s get started with its types, working, and benefits.



What is Network Security?


Network security consists of the steps by any business organization to protect its digital network perimeter by utilizing both hardware and software technologies. This is done to ensure the data's and network's anonymity and transparency. Every company or organization that processes a substantial volume of data has some level of protection against a variety of cybersecurity threats


Network security solutions defend computer networks from a variety of threats, including:


  1. Users


  1. Addresses


  1. Information


  1. Devices


  1. Utilization


The most basic form of network security is password authentication, which is chosen by the user on the network. Network Security has recently emerged as a key issue in cyber security, with several organizations that seek applicants with experience in these matters.



How Does Network Security Work?


Whenever it comes to network security in a company, there are several layers to evaluate. Because breaches can occur at any tier of the network security layers architecture, your network security devices, application, and rules must be built to cover all bases.


Physical, technological, and implementation of controls are the most common types of network security measures. Here's a rundown of the many forms of network security and how each regulation operates.


  1. Physical Network Security


Physical security measures are intended to prevent unauthorized individuals from physically accessing network components such as gateways, cabling cabinets, and so on. Locks, authentication systems, and other technologies that control access are crucial in every company.


  1. Technical Network Security


Data is stored just on networking or in transport across, into, or out of the network and is protected by technical security mechanisms. Protection must be twofold: it must safeguard data and systems from unauthorized persons while also protecting against harmful employee activity.


  1. Administrative Network Security


Administrative security mechanisms are protection rules and regulations that underlie user behavior, such as how users are verified, their degree of access, and how IT members of staff make network modifications.


Also Read | Information Security Vs Cyber Security


Types of Network Security Protections


We've discussed the many forms of network security mechanisms. Now, let's take a look at some of the many methods for securing your network.

Types of Network Security Solutions:1. Network Segmentation 2. Remote Access VPN 3. Access Control 4. Email Security 5. Zero Trust Network Access 6. Intrusion Prevention Systems 7. Data Loss Prevention 8. Hyperscale Network Security

Types of Network Security Solutions


  1. Network Segmentation


Network segmentation establishes restrictions across network segments in which resources inside the network have a common task, risk, or responsibility within an organization. The perimeter gateway, for example, separates a corporate network from the Internet. 


Potential dangers from outside of the network are avoided, guaranteeing that critical information within an enterprise stays secure. Organizations may go even farther by setting extra internal network borders, which can increase security and access management.


  1. Remote Access VPN


Access through the internet Individual hosting or customers, such as telecommuters, phone devices, and extranet customers, can have remote and control access to a corporate network using a VPN. Each host normally installs VPN client software or employs a web-based client. 


Multi-factor verification, endpoint conformity screening, and confidentiality of all transferred data safeguard the confidentiality and protection of critical information.


  1. Firewall


Firewalls use predefined protection rules to regulate incoming network traffic. Firewalls are a crucial aspect of daily computing since they filter out unwanted traffic. Network security is primarily reliant on firewalls, particularly Next-Generation Firewalls, which are designed to prevent ransomware and application-layer attacks.


  1. Access Control


Access control specifies the individuals or groups, as well as the devices, who have communication between two applications and systems, limiting unauthorized access and maybe dangers. 


Integrations with Authentication and Authorization (IAM) technologies can help to identify the individual, and Role-based Access Control (RBAC) policies verify that the person and device have permission to access the commodity.


Also Read | Cyber Security Awareness


  1. Email Security


Email security refers to any methods, goods, or services that are meant to keep your email accounts and everything safe from outside attacks. Most email providers are offering built-in email security mechanisms to keep you safe, but some of these may not be sufficient to prevent fraudsters from obtaining your details.


  1. Zero Trust Network Access (ZTNA)


According to the zero-trust security paradigm, a user should always have the accessibility and credentials necessary to execute their position. This is a completely different approach from typical security technologies, such as VPNs, which maximize the utilization control of the target network. 


Zero trust network access (ZTNA), also known as software-defined perimeter (SDP) solutions, allows for granularity accessibility to an organization's applications by employees who need it to complete their jobs.


  1. Sandboxing


Sandboxing is a cybersecurity method in which you run programs or retrieve the information on a host system in a secure, isolated environment that resembles end-user infrastructures. Sandboxing monitors the behavior of files or programs as they are accessed in order to prevent dangers from entering the network. 


Malware in files such as PDF, Microsoft Word, Excel, and Presentation, for example, may be securely recognized and prevented before it reaches an unwary end consumer.


  1. Intrusion Prevention Systems


IPS solutions can identify and block network security assaults including brute force, DoS, and exploitation of common vulnerabilities. A vulnerability is a flaw in a software system, for example, and exploitation is an attack that makes use of that vulnerability to acquire management of that structure. 


Whenever a vulnerability is revealed, attackers frequently have a window of opportunity to take advantage of that weakness before the network-based intrusion prevention is implemented. In these circumstances, an Intrusion Prevention System can be employed to swiftly stop these threats.


  1. Data Loss Prevention


Data loss prevention (DLP) is a cybersecurity approach that manages to combine technology and best practices to prevent confidential material from being exposed outside of an organization, particularly regulatory data such as personally identifiable information (PII) and conformance data: HIPAA, SOX, PCI DSS, and so on.


  1. Cloud Network Security


Implementations and workloads are really no longer strictly housed in a local data center on-premises. To maintain up with the transfer of application workloads to the cloud, protecting the contemporary data center necessitates increased flexibility and adaptability. 


Network security solutions are enabled by Software-defined Networking (SDN) and Software-defined Wide Area Network (SD-WAN) solutions in personal, public, mixed, and cloud-hosted Firewall-as-a-Service (FWaaS) installations.


  1. Hyperscale Network Security


The capacity of an architecture to expand effectively as greater demand is connected to the network is referred to as hyperscale. This solution features quick activation and the ability to scale forwards or backward in response to changes in information security objectives. 


It is feasible to completely utilize all hardware resources that are available in a characterized constant by tightly incorporating communications and computation resources in a software-defined architecture.



Network Security for Business


Any organization that operates with interconnected networks and programs must prioritize network security. Network security can not only safeguard investments and integrity of information from malicious activities, but it can also regulate network traffic most effectively, improve network speed, and enable secure data exchange among individuals and information sources.


There are several tools, programs, and applications available to assist you in protecting your networking against assault and unneeded downtime. Forcepoint provides a portfolio of network security solutions that centralize and simplify frequently complicated operations while also ensuring robust network protection throughout your company.



Network Security: Advantages


Networks can sometimes be private, such as those within businesses, or public. The process of protecting a network entails eliminating any abuse or illegal access to the network or its capabilities. Let us look at a few of the benefits of network security.


  1. Protects Against Cyber-Attacks


The internet is the source of the majority of network attacks. There are professionals in this field, and then there are ransomware strikes. They might play a variety of data networks if they are negligent. Network security can keep these exploits from causing harm to machines.


  1. Access Levels


Varying users have different access levels to the security software. Following the authentication process, the authorization approach is used to determine if the customer is permitted to access specific resources. 


You may well have noticed that some collaborative papers are password restricted for security reasons. The program clearly understands who has access to which assets.


  1. Keep your Data Safe


As previously stated, network security prevents illegal access. A network contains a large amount of secret information, such as personal client information. Anyone who gains access to the network may jeopardize this sensitive data. As a result, network security must be in a position to protect them.


  1. Updates are now Centralized


It is critical that anti-virus software is kept up to date. An older version might not provide enough protection against attackers. However, it is not assured that each and every network operator would adhere to it faithfully. A centralized network security system provides the benefit of timely upgrades even without individuals' understanding.


  1. Centrally Managed


Unlike desktop encryption software, network anti-malware is managed by a single person known as the network administrator. Whereas the earlier is vulnerable to malware and virus attacks, those can stop hackers while they cause any damage. This is due to the program being installed on a system that does not have an internet connection.


Network Security: Disadvantages


Network security is a huge help to users in ensuring the security of their data. While it has numerous benefits, there are also a few drawbacks of Network Security. Let us go through a few of them.


  1. Setup is Expensive


The installation of a network security solution might be costly. Purchasing software, installing it, and so on may be expensive, especially for smaller networks. We're not referring to a particular computer here, but rather a network of machines that can store vast amounts of data. 


As a result, because security is of the highest concern, it will undoubtedly cost more. It must not be overlooked at any expense!


  1. It Takes Time


Several of the software placed on some systems is challenging to use. It prevents unauthorized use of two passwords to provide double security, which must be provided each time you change a text. 


Passwords must also be distinctive, using digits, special characters, and alphanumeric characters. The client will have to input a variety of example passwords before settling on one, which might take a long time.


  1. Skilled Personnel is Required


It is not an incredibly simple way to accomplish large networks. It needs highly qualified experts capable of dealing with any security issue that may develop. To guarantee that the network runs well, a network administrator must be hired. He must be appropriately trained to satisfy the demand.


  1. Incompetent Administration


When the greatest installation is complete and everything necessary has been completed, it is reasonable for the administrator to be negligent at times. It is his responsibility to monitor the logs on a frequent basis in order to keep an eye out for dangerous users. 


But there are instances when he simply trusts the system, and this is when the attack occurs. As a result, it is critical that the administrator be watchful at all times.


Also Read | What is Cloud Security?


Network security is important in protecting customer information and data. It secures shared storage, provides protection against viruses, and improves the performance of the network by lowering unnecessary expenses and costly setbacks from data breaches; and as there will be less break time from unauthorized attackers or viruses, it can save companies money in the long run.

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