Discuss any 4 research papers(500 words each paper)
1. National framework for protecting critical infrastructure.
2. Defense in Depth
3. Security challenges in internet of things
4. countermeasures need to be implemented to prevent the cyber attack
5. Cyber Security Challenges and Its Emerging Trends On Latest Technologies
Please make sure no plagiarism and in APA format. Please make sure the research papers you use should be peer reviewed and 7 years latest.