Which service alerts you about sudden cost increases in your AWS account?

The selection of AWS Cost Anomaly Detection is particularly fitting because this service actively monitors your account for unusual spending patterns, notifying you when costs deviate significantly from your established spending habits. This proactive approach ensures that unexpected changes in costs—whether due to sudden resource usage spikes or unauthorized charges—are swiftly identified, allowing you to manage expenses effectively in real-time.

AWS Cost Anomaly Detection uses machine learning algorithms to assess historical spending and predict expected costs, reacting to sudden changes that might indicate anomalies. Its alerting mechanism is customizable, enabling you to set specific thresholds for notifications according to your financial management needs.

In contrast, AWS Budgets is more focused on providing a framework to track your budgets against actual spend and forecasted costs. While useful for planning and monitoring expenditures, it does not specifically target sudden increases in costs as a primary function.

AWS Cost Management provides tools for monitoring and managing costs but does not offer the same level of anomaly detection or instant alerts regarding unexpected spending. Similarly, AWS Trusted Advisor provides best practices and recommendations for your AWS environment but is not targeted specifically at immediately flagging unexpected cost increases. Each of these services serves a unique purpose in cost management, but AWS Cost Anomaly Detection stands out for its specific function of alerting users to