respond to the following 2 questions Identity-as-a-service (IDaaS) is another se

respond to the following 2 questions
Identity-as-a-service (IDaaS) is another service offered in the cloud by providers. The services they provide have changed over time from tracking passwords to managing single sign-on for complex, layered applications.
Respond to the following:
Research and post a list of at least 2 to 3 IDaaS vendors. How is IDaaS typically implemented within the cloud? What similarities do you see among the vendors you listed in terms of who they market their services to, what services they provide, and how they structure their offerings?
Respond to the following:
Research SQL injections. What are some ways that companies can protect their web applications against these attacks?