Cushman & Wakefield confirms vishing attack and Salesforce data breach
Commercial real estate firm Cushman & Wakefield confirmed a security incident triggered by a vishing (voice phishing) attack. ShinyHunters and Qilin claimed responsibility, alleging theft of over 500,000 Salesforce records containing PII and internal corporate data. The company engaged third-party experts and activated its incident response.
- personally identifiable information
- Salesforce records
- internal corporate data
What happened
Cushman & Wakefield, a global commercial real estate services firm, confirmed that attackers gained access to its Salesforce environment after a successful vishing attack. The incident, publicly reported on May 5, 2026, involved the theft of more than 500,000 records containing personally identifiable information, Salesforce data, and internal corporate documents. Two threat groups, ShinyHunters and Qilin, claimed responsibility for the breach.
The attack began with voice phishing, in which perpetrators impersonated trusted individuals or authorities to trick employees into revealing credentials or approving unauthorized access. Once inside the network, the attackers targeted Salesforce, a cloud platform widely used for customer relationship management and holding sensitive client and employee data. Cushman & Wakefield stated it engaged third-party forensic experts and activated its incident response plan upon discovery.
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