Detect Spike In S3 Bucket Deletion

Description

This search detects users creating spikes in API activity related to deletion of S3 buckets in your AWS environment. It will also update the cache file that factors in the latest data.

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Use Case

Advanced Threat Detection

Category

Cloud Security, SaaS

Alert Volume

This search detects users creating spikes in API activity related to deletion of S3 buckets in your AWS environment. It will also update the cache file that factors in the latest data.

SPL Difficulty

None

Journey

Stage 3

MITRE ATT&CK Tactics

Collection

MITRE ATT&CK Techniques

Data from Cloud Storage Object

Data from Cloud Storage Object

Kill Chain Phases

Actions On Objectives

Data Sources

AWS
Audit Trail

   Help

Detect Spike In S3 Bucket Deletion Help

You must install the AWS App for Splunk (version 5.1.0 or later) and Splunk Add-on for AWS (version 4.4.0 or later), then configure your CloudTrail inputs. You can modify dataPointThreshold and deviationThreshold to better fit your environment. The dataPointThreshold variable is the minimum number of data points required to have a statistically significant amount of data to determine. The deviationThreshold variable is the number of standard deviations away from the mean that the value must be to be considered a spike. This search works best when you run the "Baseline of S3 Bucket deletion activity by ARN" support search once to create a baseline of previously seen S3 bucket-deletion activity.

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