Vishing, or voice phishing, is an evolving cyber threat where attackers use phone calls rather than email to exploit human psychology. By making urgent requests and impersonating authority figures, attackers pressure victims to act without due diligence. A recent incident involving a UK energy firm illustrated the risks, wherein an AI-generated deepfake voice tricked an employee into processing a significant financial transfer. As voice technology becomes more sophisticated, the line between authentic and fraudulent communication continues to blur, rendering traditional security measures inadequate against this new threat.
Unlike phishing emails, which can be scanned, forwarded, or deleted, voice-based attacks operate in a synchronous channel. There's no time to pause or reflect.
In 2023, a UK-based energy firm fell victim to a sophisticated vishing attack involving a deepfake voice message that mimicked the CEO.
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