EBS volume attachment attempt

Cortex XSIAM Analytics Alert Reference by Alert name

Product

Cortex XSIAM

Last date published

2025-11-12

Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	5 Days
Required Data	Requires: AWS Audit Log
Detection Modules	Cloud
Detector Tags
ATT&CK Tactic	Defense Evasion (TA0005)
ATT&CK Technique	Modify Cloud Compute Infrastructure (T1578)
Severity	Informational

An attempt was made to attach an EBS volume to an EC2 instance.

Attach a volume to a cloud instance to exfiltrate sensitive data stored on EBS volumes.

Review recent activity related to the identity, the attached volume and the cloud instance.

ATT&CK Tactic	Defense Evasion (TA0005)
ATT&CK Technique	Modify Cloud Compute Infrastructure (T1578)
Severity	Medium

An attempt was made to attach an EBS volume with sensitive data to an EC2 instance.

Attach a volume to a cloud instance to exfiltrate sensitive data stored on EBS volumes.

Review recent activity related to the identity, the attached volume and the cloud instance.

ATT&CK Tactic	Defense Evasion (TA0005)
ATT&CK Technique	Modify Cloud Compute Infrastructure (T1578)
Severity	Informational

An attempt was made to attach an EBS volume to an EC2 instance.

Attach a volume to a cloud instance to exfiltrate sensitive data stored on EBS volumes.

Review recent activity related to the identity, the attached volume and the cloud instance.