On Thursday, Salesforce (NYSE:CRM) halted access to several Gainsight-published applications after detecting suspicious activity that may have allowed unauthorized access to customer data, prompting a deeper investigation led by cybersecurity firm Mandiant.Salesforce Revokes Tokens, Removes AppsIn a statement, Salesforce said it observed "unusual" behavior tied to Gainsight applications that connect to its platform and warned customers that the activity may have enabled outside access to certain data.The co ...