Tenable Network Security is a company specializing in software and hardware products for IT security. The company was founded by Ron Gula, Jack Huffard and Renaud Deraison.
There is no one person "responsible" for network security in terms of "inventing" it. There are many people over a period of decades that have contributed to some aspect of security.
A home network security company is a company that provides security for a computer. Some examples of this are AVG antivirus and Norton antivirus. These protect computers against viruses and also protect security systems from things like hacking.
A network administrator is typically in charge of maintaining the computer hardware and software of a company computer network. The administrator can be responsible for security of the network as well as designing and deploying networks. Other tasks include network address assignments, performing data backups and disaster recovery operations.
There is a company called AirTight Networks that can help your company stay secure. You can get good security from them at: www.airtightnetworks.com/home/company/overview.html .
A network administrator is responsible for the daily operation of a company's computer network. Many types of organizations hire network administrators, including schools, government, banks and technology companies. Depending on the size of the company, a network administrator may be solely responsible for a company's computer systems, or may be part of a team. Positions can be full-time, part-time or contract.
There does not appear to be a company or website titled "Network Security Appliance" and it is therefore not possible to find a contact address. There are however, appliances which are used within network security and information on these is available from several sites such as Wikipedia.
HIDS
Yes
Acceptable-use
A network security consultant's job is to analyze the possible security risks displayed by the hiring company's computer network. They report on risks discovered, advise as to the severity of these risks, and determine an appropriate plan of action to minimize or eliminate threats to a network's smooth and safe operation.
OpenVPN is extra security for Windows. It provides prearranged codes and security keys to access your network and keeps your company's security in better check.