External Sharing was turned on for Google Drive

Cortex XDR Analytics Alert Reference by Alert name

Product

Cortex XDR

Last date published

2024-10-08

Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	5 Days
Required Data	Requires: Google Workspace Audit Logs
Detection Modules	Identity Threat Module
Detector Tags
ATT&CK Tactic	Exfiltration (TA0010)
ATT&CK Technique	Transfer Data to Cloud Account (T1537)
Severity	Informational

An identity has modified Google Drive sharing settings and allowed external sharing.

Adversaries may exfiltrate data, such as sensitive documents.

Check if the identity intended to perform this action, or look for signs that the user account is compromised (e.g. abnormal logins, unusual activity).
check the new setting details.
Follow further actions done by the account.

ATT&CK Tactic	Exfiltration (TA0010)
ATT&CK Technique	Transfer Data to Cloud Account (T1537)
Severity	Low

An identity has modified Google Drive sharing settings and allowed external sharing.

Adversaries may exfiltrate data, such as sensitive documents.

Check if the identity intended to perform this action, or look for signs that the user account is compromised (e.g. abnormal logins, unusual activity).
check the new setting details.
Follow further actions done by the account.

ATT&CK Tactic	Exfiltration (TA0010)
ATT&CK Technique	Transfer Data to Cloud Account (T1537)
Severity	Low

An identity has modified Google Drive sharing settings and allowed external sharing.

Adversaries may exfiltrate data, such as sensitive documents.

Check if the identity intended to perform this action, or look for signs that the user account is compromised (e.g. abnormal logins, unusual activity).
check the new setting details.
Follow further actions done by the account.

ATT&CK Tactic	Exfiltration (TA0010)
ATT&CK Technique	Transfer Data to Cloud Account (T1537)
Severity	Low

An identity has modified Google Drive sharing settings and allowed external sharing.

Adversaries may exfiltrate data, such as sensitive documents.

Check if the identity intended to perform this action, or look for signs that the user account is compromised (e.g. abnormal logins, unusual activity).
check the new setting details.
Follow further actions done by the account.