Widespread Data Theft Targets Salesforce Instances via Salesloft Drift

Written by: Austin Larsen, Matt Lin, Tyler McLellan, Omar ElAhdan

Introduction 

Google Threat Intelligence Group (GTIG) is issuing an advisory to alert organizations about a widespread data theft campaign, carried out by the actor tracked as UNC6395. Beginning as early as Aug. 8, 2025 through at least Aug. 18, 2025, the actor targeted Salesforce customer instances through compromised OAuth tokens associated with the Salesloft Drift third-party application.

The actor systematically exported large volumes of data from numerous corporate Salesforce instances. GTIG assesses the primary intent of the threat actor is to harvest credentials. After the data was exfiltrated, the actor searched through the data to look for secrets that could be potentially used to compromise victim environments. GTIG observed UNC6395 targeting sensitive credentials such as Amazon Web Services (AWS) access keys (AKIA), passwords, and Snowflake-related access tokens. UNC6395 demonstrated operational security awareness by deleting query jobs, however logs were not ...