Industry standard certifications that exists

"1) What are some of the industry standard certifications that exists.  Which ones are the most sought after in the IT security field? 350 words.
2) Explain your thoughts on the future of IoT and the security implications. Why do you believe it is important to secure these devices as they become more common in our lives and our businesses? 300 words
3) Securing IoT Devices: What are the Challenges? 1000 words
Security practitioners suggest that key IoT security steps include:
1) Make people aware that there is a threat to security;
2) Design a technical solution to reduce security vulnerabilities;