The purpose of this post is to provide fast answers to a reader who has one or few specific questions on Cybersecurity. You can quickly browse through the post until you got answer to your question. If your question is not included here, please post your question in the comment section and I will answer it.
Cybersecurity is a very complex problem. Any discussion on it requires use of some technical term, especially types of malwares. I have tried to minimize the use of technical terms. But it you are not familiar with various types of malware you want to read ‘Malwares: an Overview‘. That will not only make your reading this section easier, it also will expand your knowledge of malwares.
What is Cybesecurity?
Cybersecurity is security in cyberspace, including, but not limited to, security of (a) systems that make cyberspace, (b) systems that provide services to the users of cyberspace, (c) devices that are part of cyberspace, (d) devices that cyber-travelers (cyberspace users) use to get services from cyberspace, and (e) information of stored and streaming through cyber-highway.
From the answer above, cybersecurity seems to be a very complex problem. How such a complex problem can be to dealt with?
Cybersecurity is really a very complex problem. To solve this complex problem, it is divided into many smaller problems. Then, each smaller problem is addressed individually.
What are the smaller cybersecurity problems?
A four layer-architecture model of cyberspace divides it into (a) User layer, (b) App or application-layer software, (c) system software, and (d) physical layer. Then, security problems at each of these layers is addressed one at a time. For example, security of a device consists of physical security, firmware security, and software security problems; each of these security problems is considered as separately, and it is addressed individually.