The fundamental principles of information security include:
- Confidentiality: The first goal of Network Security is “Confidentiality”. The function of “Confidentiality” is in protecting precious business data (in storage or in motion) from unauthorized persons. Confidentiality part of Network Security makes sure that the data is available OLNY to intended and authorized persons.
- Integrity: The second goal of Network Security is “Integrity”. Integrity aims at maintaining and assuring the accuracy and consistency of data. The function of Integrity is to make sure that the date is accurate and reliable and is not changed by unauthorized persons or hackers
- Availability: The third goal of network security is “Availability”. The function of “Availability” in Network Security is to make sure that the Data, Network Resources or Network Services are continuously available to the legitimate users, whenever they require it.