Identifies when an ElastiCache security group has been modified or deleted.
Rule type: query
Risk score: 21
Runs every: 10 minutes
Maximum alerts per execution: 100
- Continuous Monitoring
Added (Elastic Stack release): 7.16.0
Rule authors: Austin Songer
Rule license: Elastic License v2
A ElastiCache security group deletion may be done by a system or network administrator. Verify whether the user identity, user agent, and/or hostname should be making changes in your environment. Security Group deletions from unfamiliar users or hosts should be investigated. If known behavior is causing false positives, it can be exempted from the rule.
## Config The AWS Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule.
event.dataset:aws.cloudtrail and event.provider:elasticache.amazonaws.com and event.action:("Delete Cache Security Group" or "Authorize Cache Security Group Ingress" or "Revoke Cache Security Group Ingress" or "AuthorizeCacheSecurityGroupEgress" or "RevokeCacheSecurityGroupEgress") and event.outcome:success