Four Network Security Principles

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For all those who are new to security and would like to learn the very basic network security principles

4 Basic Network Security Principles

There are many principles of Infrastructure Security one can point out but for the purpose of simplicity here are 4 basic network security principles that should be followed when designing and planning Enterprise network Security.  You can call these basic principles or whatever your heart decides but they cover the major components of a good planning and decision making for a robust network security.


Confidentiality: Confidentiality means that the network Engineers and /or departments which are in charge of security ensure that information is known only by those who need to know.  Just like the CIA, information is only shared with those which are in the need to know category.

Integrity: Quality of information is key, you have to make sure the information is not changed, corrupted, altered or modified without the approval of the key Admins and are well documented in the event of need for access review. Altered data is useless. For example, if we have a important document, say, a contract, and the file is altered by those without authority, then the information contained in the file is useless. The same principle applies to financial transactions, log-in processes, log and record keeping, etc.

Availability: Have you setup enough guidelines to make the data available to all which need it? Is the data blocked from the those individuals or companies which do NOT need it? As a policy you have to make sure that the Data is only available to the individuals and companies that do need access (even then with special permissions). Within availability is the concept of up time. You have make sure the critical components of the system are up and running 24/7/365 with full monitoring and alert features in place with robust notification system.

Authenticity: Is data genuine? is the person accessing it really who he/she says he/she is? We have seen over the last couple of years an increase in network hacks. Make sure to protect the data you store.

When these basic network security principles are followed and taken into consideration during planning and design phase, a more robust and secure environment is the result.

These 4 principles by no means are the only components of security and I’m sure you can  add many more, but for the purpose of this writing they should be enough to get your started on your planning phase.


on a Simpler Personal level:

  1. Keep your iOS, Android, Windows, MacOS device updated
  2. Stop visiting sites you know are just bad
  3. Be aware of emails which try to get your Bank, Apple ID or email account



Information Technology, Infrastructure Security, Cloud & Virtual Architecture.

I am an Irvine, California native since 1978 and California State University Fullerton(CSUF) Computer Science Graduate. I have spent over 25+ years in Southern California and Studying Information Technology, DevOPS, Software Development, Network Architecture, Network and Cloud Security, AWS,  Artificial Intelligence, Natural Language Processing and more.