Salesforce says it revoked refresh tokens linked to Gainsight-published applications while investigating a new wave of data theft attacks targeting customers. The cloud-based software company noted that this doesn't stem from a vulnerability in its customer relationship management (CRM) platform since all evidence points to the malicious activity being related to the app's external connection to Salesforce. "Salesforce has identified unusual activity involving Gainsight-published applications connected to Salesforce, which are installed and managed directly by customers. Our investigation indicates this activity may have enabled unauthorized access to certain customers' Salesforce data through the app's connection," it said in a Thursday morning advisory. "Upon detecting the activity,…