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Popular Computer Network Security Terms
A computer network is when a collection of computers exchange information through the same system. With the advent of cyber crime, IT professionals are an essential part of a business to ensure that data is protected. Businesses will often set up security polices that will specify how to regulate their computer system and protect information from being hacked or obtained illegally. Whether someone is using the Internet to socialize with friends or conducting a financial transaction, it's important that certain data is protected. It's essential that social websites prevent unwanted personal information from reaching the masses. At the same time, government agencies need to encrypt classified data for safety purposes.
Encryption - Encryption is the cryptographic transformation of data to prevent the original meaning from being understood by unauthorized users.
Hub - A hub is a network device that repeats the data it receives to all the other systems. Therefore, data transmitted by one host can be shared with all the other ones in a network.
Malware - Malware is a term used to describe the different types of malicious code that can damage a computer.
Firewall - Firewall is a physical discontinuity of a network that prevents unauthorized users from penetrating a system.
Virus - A virus is a self-replicating program that will infect a computer and cause security and operation problems.
Router - Routers will interconnect networks by forwarding information from one to another based on the IP address.
Tamper - Tampering is when someone deliberately alters the data within a network to perform unauthorized services.
Internet Protocol or IP - IP is the process by which data is sent from one computer to another online.
The Information Systems Security Association is a not-for-profit, international organization of information security professionals and practitioners. We offer many products and services for information systems security.
Computer networks often require security measures to protect from data loss and against hackers. There are many different techniques that network users can employ to prevent threats against their networks. Often, large corporate businesses will contract technician who have extensive knowledge of technology, and then set up security systems specifically designed to manage risks to that network. First, they use advanced firewall and antivirus tools, as well as setting up internal checks and monitors. These corporate companies also have a policy of monitoring their employees' internet use to prevent unauthorized spam. Some computer technicians specialize in working for home networks, and only install basic firewall and DPL, or data loss prevention, solutions for their clients. If you are looking to hire a company to prevent hackers from accessing your information, you need to understand the architecture of your wireless network, so that the technician can meet your security needs. If hiring a company is too expensive for you, you can also search the internet for applications that block intruders when they try to access your records. You can also use the internet to find further company listings that will come to your home or business and use their tools to set up and protect the privacy of your network. Contact all the companies on your list before choosing one. Evaluate their level of customer service and commitment, and ask if they have a service website you can visit for further information. Sometimes these sites have past customer testimonials that might help you feel more comfortable trusting the company. Also, ask for a price estimate for all anticipated services before contracting the company. You can later compare these quotes and your impression of their service skills to come to a decision on which technician company to hire.