Why Alarms Matter in Cloud Infrastructure In any modern cloud-based architecture , monitoring and alerting play a critical role in maintaining reliability, performance, and security. It's not enough to just have logs—you need a way to act on those logs when something goes wrong. That's where CloudWatch alarms come in. Imagine a situation where your application starts throwing 5xx errors, and you don't know until a customer reports it. By the time you act, you've already lost trust. Alarms prevent this reactive chaos by enabling proactive monitoring—you get notified the moment an issue surfaces, allowing you to respond before users even notice. Without proper alarms: You might miss spikes in 4xx/5xx errors. You're always proactive instead of reactive . Your team lacks visibility into critical system behavior. Diagnosing issues becomes more difficult due to a lack of early signals. Due to all the reasons Above, th...