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Unusual excessive AWS S3 bucket deletion requests

ID:aws_s3_bucket_delete_spike
Data type:AWS CloudTrail
Severity:
Medium
MITRE ATT&CK:TA0040:T1485

Description

AlphaSOC detected an unusually high volume of AWS S3 bucket deletion requests using the DeleteBucket action. A sudden spike in such requests within a short time frame may indicate malicious activity, with threat actors attempting to destroy data in the AWS environment.

Impact

If AWS S3 bucket deletion requests are successful, data stored within the affected buckets may be permanently lost, leading to data breaches, service disruptions, and compliance violations. The loss of critical data may also result in financial losses and reputational damage for the organization.

Severity

SeverityCondition
Medium
Unusual excessive AWS S3 bucket deletion requests

Investigation and Remediation

Review AWS CloudTrail logs to identify the IAM users or roles responsible for the actions and verify whether they were authorized. If unauthorized, restrict access for the user responsible and conduct a thorough security assessment of your AWS environment to identify and address other potential threats.

Further Reading