In the previous chapter, we discussed the Web Application Firewall (WAF) service and Firewall Manager. AWS Shield is closely related to these applications. AWS Shield is a managed AWS service that helps to mitigate DDoS attacks on the applications running within your environment.
This section will take you through the two tiers of AWS Shield, explaining the differences between them, allowing you to understand which tier would be best for your own environment. You will also see how to activate AWS Shield Advanced tier.
