Paraphrasing the article. Need it within 12 hours.

I need more than 500 word answer to the question

"Describe the importance of Identity and Access Management systems in enforcing security in an organisation. Briefly describe some industry based products and compare their performances

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I have found an article on the internet which essentially answers this question, I just want it to be neatly Paraphrased and written in own words, you can add your  owncontent if you know about the topic.