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To find out specific information about your computers network security you can contact your network admin
If a computer system is operating then it should be utilizing network security. So the answer would be all the time.
Gerald D. Cole has written: 'Design alternatives for computer network security' -- subject(s): Computer networks, Computer security, Security measures 'Implementing OSI networks' -- subject(s): Computer network architectures, Computer network protocols, Computer networks 'Computer networking for systems programmers' -- subject(s): Computer networks, Systems programming (Computer science)
Network & Computer security
Network security can be done in a variety of manners. In general, the methods to perform network security involve constantly updating hardware and software to combat potential computer threats.
computer network security
A router can improve network security if it includes the use of NAT (network address translation) and/or a firewall.
AnswerEffective Network Security has many layers. It requires security features at the local level (on each individual computer, and on the network level. A network is group of computers that share a common connection and so therefore are on the same network. For example, every computer that connects and uses to your home wifi are on the same network.A network is a a group of individuals like i said. Therefore, computers themselves must have anti-malware software installed and that software must be frequently updated. Malware that affects a network of computers usually infected one computer initially and then other computers on the network were infected.Network security also use a firewall. Firewalls monitors which websites (specifically the severs that host them) send data to the computers on the computer. They also monitor the data computers send to websites. Every time you visit a website your computers sends data to a server and that server back to your computer. Network security is important because it protects Fortune 500 companies, government agencies and home networks.
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.
There are several companies in London that can offer one with network security assessment in London. There is Calyx, Commissum, and Computer Network Defence.
Vijay Ahuja has written: 'Network & Internet Security' -- subject(s): Security measures, Computer networks, Computer security, Internet
computer engineering.