Research one countermeasure or information security service that is available today for information assurance. Evaluate it based on the specifications and reviews. Identify who would use this particular countermeasure or service and why it would be appropriate for their needs.Illustrate this using an example of an online activity (e.g., banking, shopping) that could use this countermeasure. How would the countermeasure that you identified apply? What vulnerability would it mitigate? What are its limitations?