The main target for cyber-attacks today is the networked systems. This is mainly because of the fact that attackers know that once they gain access to one system, they are sure to affect the entire system. As a result of this, therefore, it is paramount that networked systems are maintained on a secure platform so that no attacks are able to be successful on it. A number of things can be put in place to guarantee that a computer network is secure as we shall be able to see briefly.
The basic step to securing any computer network is by having a user identification policy within an organization. The essence of the policy is to dictate the authorized times of system access and which users should be able to access the system on the set times. The policy should also define the hierarchy of network users in a way that access to the system is on a user privilege basis. The top of the hierarchy should always have the admins whose main roles are to modify existing users and adding new users to the network. There can also be a higher tier for super users who are responsible for auditing the system.
Passwords policy is another element of the access policy. The password policy should dictate the kind of passwords and usernames users are allowed to create. Since not all network users may be knowledgeable on security matters, it is crucial to help such users be aligned with the organizations expectations. Past the password policy, the organization should have systems in place that will be used to implement the policy.
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Authentication software can be installed to enforce password policies. These software are available from organizations that specialize in network security. By evaluating the business needs of an organization, an authentication software may be installed for use by the users. The software should be able to cater for as many password matrixes as possible to allow the users create passwords that are unique and hard for unauthorized users to guess.
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The password policies should also dictate the level within which information sharing is to take place. System configurations, for example, should never be shared by internal users to people outside the scope of the business. Introduction of alien information by the employers by use of portable devices such as flash disks, floppy disks, DVDs or memory sticks should also be inhibited so that the network is protected from the introduction of malicious software which can be used by the attackers to gain access to the network. Other information that can also be included in the policy can be things like the validity of your login credentials, the permitted duration of use for the password as well as the measures to be taken against offenders of the police.