Advisory Update on Cyber Threat Activity Targeting Commvault’s SaaS Cloud Application (Metallic) | CISA
Threat actors may have accessed client secrets for Commvault’s (Metallic) Microsoft 365 (M365) backup software-as-a-service (SaaS) solution, hosted in Azure. This provided the threat actors with unauthorized access to Commvault’s customers’ M365 environments that have application secrets stored by Commvault.
For certain Commvault customers, rotate their application secrets, rotate those credentials on Commvault Metallic applications and service principles available between February and May 2025.[2] Note: This mitigation only applies to a limited number of customers who themselves have control over Commvault’s application secrets.
For certain Commvault customers, rotate their application secrets, rotate those credentials on Commvault Metallic applications and service principles available between February and May 2025.[2] Note: This mitigation only applies to a limited number of customers who themselves have control over Commvault’s application secrets