HC3 TLP White Analyst Note: Vishing Attacks on the Rise - August 19, 2022

Executive Summary

Voice phishing, also known as vishing, is the practice of eliciting information or attempting to influence action via the telephone. Over the past year, HC3 has noted a marked increase in these attacks across all sectors. Social engineering techniques continue to remain successful in providing initial access to target organizations, and the HPH sector should remain alert to this evolving threat landscape with an emphasis on user awareness training. Recently, a large U.S. company fell victim to a cyber attack that leveraged sophisticated phishing techniques involving phone calls to gain access to the victim organization.

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