FBI: Spike in Vishing Attacks Seeking Escalated Access, Credential Theft

Health IT Security

Jessica Davis

Threat actors are increasingly using voice phishing, or vishing, in targeted attacks on remote workers in an effort to steal credentials, escalate privileges, and gain proliferated network access, according to a recent FBI alert.

While phishing attacks prey on human nature through email messages, vishing occurs through phone calls of VoIP platform users. These attacks first came to light in December 2019, with hackers collaborating in targeted attacks on a range of large, global companies using social engineering tactics.

Since the initial attacks, the threat actors have shifted techniques and tactics when attempting to compromise employee accounts or credentials. Previously, the campaigns focused on...

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