Salesforce has disclosed another third-party breach in which criminals - likely ShinyHunters (again) - may have accessed hundreds of its customers' data. This time, the suspicious activity involves Gainsight-published applications connected to Salesforce, which are installed and managed directly by customers. “This activity is likely related to UNC6240 (aka ShinyHunters),” Google Threat Intelligence Group’s principal analyst Austin Larsen told The Register, adding that the threat hunters are “aware of more than 200 potentially affected Salesforce instances.” "Our investigation indicates this activity may have enabled unauthorized access to certain customers' Salesforce data through the app's connection," the CRM giant said in a security advisory published late Wednesday. "Per our update, upon detecting the activity, Salesforce revoked all active access and refresh tokens associated with Gainsight-published applications connected to Salesforce and temporarily removed those applications from the AppExchange while our investigation continues," Salesforce spokesperson Allen Tsai told The Register. Tsai declined to answer specific questions about the breach, including how many customers were compromised - the company has notified those affected, he said - and who is behind the latest theft of Salesforce customers' data. "There is no indication that this issue resulted from any vulnerability in the Salesforce platform," Tsai said. "The activity appears to be related to the app's ex...
Salesforce-linked data breach claims 200+ victims, has ShinyHunters’ fingerprints all over it
The Register
·Jessica Lyons
·Published Nov 20, 2025
·Updated
Affected Software
2 affected components
Salesforce Salesforce
Gainsight Gainsight
Frequently Asked Questions
1
What is the main topic of this article?
The article discusses a data breach linked to Salesforce that may have impacted over 200 customers due to suspicious activity related to Gainsight.
2
What security implications are discussed?
The breach raises concerns about third-party vulnerabilities and the potential exposure of sensitive customer data to hackers.
3
What products or software are affected?
The affected products include Salesforce and Gainsight, both of which are tied to the data breach incident.
4
Who is believed to be behind the breach?
The breach is suspected to be orchestrated by a group known as ShinyHunters.
5
How does this breach impact Salesforce customers?
Salesforce customers may face risks such as identity theft and data misuse following unauthorized access to their information.