I need a paper related on defense in depth in protecting national infrastructure. This paper is very important as the sources used should be published sources not blogs and journals which are not publ

I need a paper related on defense in depth in protecting national infrastructure. This paper is very important as the sources used should be published sources not blogs and journals which are not published and peer reviewed. Paper must be in APA format with citations and references. I need at least 9 genuinely published resources as references with exact citations. References should be published during the last 7 to 8 years.

Paper should include role of defense, how is protects and new technologies used by defense in protection of national infrastructure. Also how secure the measures of defense with protecting national infra.

I need at least 8 pages for this assignment in APA format and all references must be cited which is mandatory.

Here are a few URLs with additional information: 

https://sites.umuc.edu/library/libhow/bibliography_apa.cfm

https://www.bethel.edu/library/research/apa-annobib-sixth.pdf

http://libguides.enc.edu/writing_basics/annotatedbib/apa    <<<< Check out the “Rules! rules! rules!” section

http://guides.library.cornell.edu/annotatedbibliography

https://owl.english.purdue.edu/owl/resource/614/03/