Description: AWS Shield is a service that provides protection against Distributed Denial of Service (DDoS) attacks, safeguarding applications running in the cloud. This service is designed to ensure the availability and performance of cloud applications, offering robust defense against a variety of cyber threats. AWS Shield comes in two tiers: Shield Standard, which provides automatic protection at no additional cost for all AWS customers, and Shield Advanced, which offers more sophisticated security measures and 24/7 support for attack mitigation. Key features include real-time attack detection, automatic response capabilities, and integration with other cloud services like content delivery networks and load balancing solutions. The relevance of AWS Shield lies in the growing need for businesses to protect their digital assets in an environment where DDoS attacks are becoming increasingly common and sophisticated. By using AWS Shield, organizations can focus on their core business, knowing that their applications are protected against disruptions and service losses caused by malicious attacks.