- CloudWath is monitoring service performance
- CloudWatch with EC2 will monitor events every 5 minutes by default
- turn on detailed monitoring ⇒ monitor events every 1 minutes
- dashboard: create dashboard to see what is happening
- alarms: create alarms to notify when particular threshold are hit
- envents: decide how to respond to state changes in AWS resources
- logs: aggregate, monitor, store logs
- CloudTrail is auditing (identify which users and accounts called AWS, source IP address, when the calls occurred