Here are the terms you must know in computer security
information security According to Wikipedia is the practice of defending information from unauthorized access, use, disclosure, disruption, modification, perusal, inspection, recording or destruction. In my previous article as well, I have talked about the fundamental concept of security which includes precaution, maintenance and reaction. In this article, I want to look at the five layers of security. Follow me as we look at this together.
#1 Physical security
This has to do with the process of safeguarding the personnel, hardware, programs, network and data that you have in your organization. Some of us handle our devices in a way that we make it tempting for hackers. Some will abandon their devices. This contributes to about 10 percent of security incidence in the United States in the year 2011 according to data loss database.
#2 Network security
Network security has to do with the act of protecting the networks and their services from unauthorised modification, destruction or disclosure. This helps us to ensure that intruders do not have access to our system, thereby compromising the integrity of our system.
This covers the use of software, hardware and procedural methods to protect an application from external threats. It has to do with the steps that are taken to ensure that application users obey security rules. It also includes all “patches” that are introducedin order to cover backdoors that hackers can use as a medium of attack.
#5 User security
The user security ensures that a valid user is logged in and that the logged in user is allowed to use an application and programs available to him. It also has to do with the authentication process that has to take place before users can have access to the organization’s resources.
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