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Network Security Issues Company Faces if Ignored

Network Security Issues Company Faces, if Ignored

Network security is any activity designed to protect the usability and integrity of your network and data. It includes both hardware and software technologies. Effective network security manages access to the network. Many companies suffer from numerous network security problems without ever actually realizing it. Increasingly, distributed processing is used to achieve the availability and processing power required by today’s information technology systems. Secure Network has now become a need of any organization. The security threats are increasing day by day and making high speed wired/wireless network and internet services, insecure and unreliable. Most businesses view their website as one of their biggest assets, and while it certainly can be, it can also be the biggest vulnerability. All the hard work your company does to generate traffic and promote itself online can go up in flames if you’re not protected from network security threats.

network security issues

 Some Network Security Issues :-

We’ve all heard about computer virus, and we all have our fears. For everyday Internet users, computer viruses are one of the most common threats to cybersecurity. Once a virus has successfully attached to a program, file, or document, the virus will lie dormant until circumstances cause the computer or device to execute its code.

 

 

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  1. A virus can remain dormant on your computer, without showing major signs or symptoms. Once the virus infects your computer, the virus can infect other computers on the same network. Virus can steal your passwords or data, logging keystrokes, corrupt files, spam your email contacts. some of the devastating and irritating things can do over your machine. Some viruses are designed with financial gains in mind.

 

  1. In computer security, a vulnerability is a weakness which can be exploited by a Threat Actor, such as an attacker, to perform unauthorized actions within a computer system. This practice generally refers to software vulnerabilities in computing systems.

 

  • SQL injection vulnerabilities leave the chance to inject malicious code into a SQL statements. With this vulnerability, hackers can provide database applications with some malicious data, and the application utilizes that data to construct a SQL statement by using string concatenation. Then the attackers get the chance to change the SQL query semantics.

 

  • OS Command Injection vulnerabilities happen when software integrates user-manageable data in a command, which is handled under the shell command interpreter. If the data is unchecked, a hacker can make use of shell metacharacters to change the command that is being executed. This weakness is language independent.
  • Buffer Overflow occurs when a program tries to add more data in the buffer than its storage capacity allows. Writing outside of a block of owed memory can crash the program, corrupt data, and even cause the execution of malicious code.

 

  • The integer overflow vulnerability exists when the calculation attempts to increment an integer value which is higher than the integer used to store it in the relevant representation. When this error happens, the integer value may convert to become a negative or very small number.

 

  • Uncontrolled Format String vulnerability involves accepting unchecked or unauthorized user input as a format string to execute a function. This weakness can lead to the execution of harmful code and even can crash the system.

 

  1. Privileged account abuse occurs when the privileges associated with a particular user account are used inappropriately or fraudulently, either maliciously, accidentally or through willful ignorance of policies. It’s the second most common cause of security incidents. Privilege abuse is the direct result of poor access control. Users have more access rights than they need to do their jobs, and the organization fails to properly monitor the activity of privileged accounts and establish appropriate controls. However, there are ways to minimize your risk in case of an insider attack.

 

  1. Lack of Defense in Deapth is a major issue of network security. Defense in Depth (DiD) is an approach to cybersecurity in which a series of defensive mechanisms are layered in order to protect valuable data and information. The idea behind the defense in depth approach is to defend a system against any particular attack using several independent methods. If one mechanism fails, another steps up immediately to thwart an attack. This multi-layered approach with intentional redundancies increases the security of a system as a whole and addresses many different attack vectors. From the lone laptop accessing the internet from the coffee shop to the fifty thousand user enterprise WAN, Defense in Depth can significantly improve your security profile.

 

 

  1. Lack of proper management of IT security is another common issue for many companies. When they have all of the best cybersecurity solutions in place, they might not have enough people in place to properly manage those solutions. finding a large enough internal IT security team to manage all of your needs can be an expensive and time-consuming process. Qualified professionals are in demand, and they know it.

 

  1. Adware & spyware are the big issues of network security.

 

Adware is any software application in which advertising banners are displayed while a program is running. Adware collects data with your consent and is even a legitimate source of income for companies that allow users to try their software for free, but with advertisements showing while using the software. The presence of adware on your computer is noticeable only in those pop-ups, and sometimes it can slow down your computer’s processor and internet connection speed.

Spyware is unwanted software that infiltrates your computing device, stealing your internet usage data and sensitive information. Spyware is used for many purposes. Usually it aims to track and sell your internet usage data, capture your credit card or bank account information, or steal your personal identity. Spyware monitors your internet activity, tracking your login and password information, and spying on your sensitive information. Some types of spyware can install additional software and change the settings on your device, so it’s important to use secure passwords and keep your devices updated.

 

 

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Solutions

This section talks about solutions to computer network security problems when you have an existing network. First of all, you need to develop a plan to assess the vulnerabilities of your network. A vulnerability assessment plan should cover the key areas that, if affected, can bring down the network or create huge data loss. There is some good software available that helps you assess network problems. The software can scan each component of the network and give you a detailed report so that you can work on the vulnerabilities. Some software can go a step further and patch the vulnerabilities. Creating a vulnerability assessment report is top among the solutions to computer network security problems. More than 80% of the Internet backbone routers are running Cisco IOS software. Cisco IOS is the most critical part of network infrastructure. Probably it gets the most hacking attacks in the networking world. Cisco provides several security products to secure the Cisco IOS and other critical network infrastructures.

Cisco Adaptive Security Appliance is the coolest product from Cisco. It is the replacement of Cisco PIX firewall. Along with working as firewall, it also supports requirement specific security modules. Based on our need we can purchase specific security module. For example if our network is getting highly intrusion attack, we can purchase and install IPS module. Cisco IPS module filters all network traffic for possible attack. If an attack signature match, it will automatically change access control lists and will create a rule in firewall to block the attacker. IPS can be integrated in a standalone device or it can be installed as a module in Cisco ASA.

  • As your server is the main point for data entering and leaving the network, you need to be extra cautious about it.
  • You might need to keep it updated and always patched. Use a reputed firewall that keeps hackers away from your network.
  • Use a software that creates log of all the activities on the network.
  • The server needs to have powerful anti-malware.
  • To prevent data theft, use an encryption software.

However, until such features become the norm it remains a network manager’s job to ensure that his company’s network systems are protected from malicious intrusions. The first step is to recognize the importance of network security and give it the weight and attention it deserves.

 

 

 

 

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Conclusion

As technology evolves, network security risks becomes more sophisticated too. It’s a digital world that is constantly open to attack, and because there are so many potential attackers, we need to ensure we have the right security in place to prevent systems and networks being compromised. Unfortunately, there is no single method that can successfully protect against every single type of attack. Internet connectivity, email and the web, now vital for small business, pose many risks to computer systems and the privacy of the company’s data. The onslaught of viruses, worms, and Trojan horses, compounded with the increasing problem of spyware, adware, and blended threats continue to attack an organization’s network through multiple methods. Without effective network-defense and disaster-recovery practices a business is constantly at risk. Defense requires continually updated products such as Symantec Anti Virus or Symantec Client Security, and a well-defined outbreak-response plan to identify and deal with this ever-expanding problem. Symantec AntiVirus and Symantec Client Security provide an effective barrier against security risks and threats, facilitating their identification and removal, and protect sensitive and private company data. Without this protection, companies might find themselves faced with an administrative nightmare, including time consuming and costly full system reloads to recover lost data.

 

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