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All issuesVolume 327, Issue 2IT Vendor NewsKnowBe4

Warning: Crooks Are Using Vishing Attacks To Compromise Salesforce Instances

KnowBe4, Monday, June 9th, 2025

A criminal threat actor tracked as 'UNC6040' is using voice phishing (vishing) attacks to compromise organizations' Salesforce instances, according to researchers at Google's Threat Intelligence Group

After gaining access, the attackers exfiltrate the victim's data and hold it for ransom.

'Over the past several months, UNC6040 has demonstrated repeated success in breaching networks by having its operators impersonate IT support personnel in convincing telephone-based social engineering engagements,' the researchers write.

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