Computer Security Architecture - *improving public awareness*

Hi all. New to this subreddit so please let me know if I'm violating any rules!

I'm a Wikipedia editor and I'm currently improving the article on 'Computer Security.' One section of the article which needs improving is about "Security Architecture" which has been put under the bracket of cyber security countermeasures. Unfortunately, there doesn't seem to be much good information online about Security Architecture or many strong reliable sources (which are necessary for editing the article).

I was wondering …

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