Protect Yourself: Vishing Attacks Are Growing More Sophisticated
KnowBe4, Wednesday, June 18th, 2025
Researchers at Google's Mandiant have published a report on voice phishing (vishing) attacks, noting that these attacks have served as initial access points for recent waves of ransomware incidents.
Threat actors often perform reconnaissance before launching social engineering attacks, collecting publicly available information in order to craft tailored, realistic scenarios.
'With sufficient reconnaissance data, an attacker can formulate targeted campaigns reflecting plausible employee scenarios,' the researchers explain. 'A common pretext for contacting a service desk is a forgotten password. Many organizations verify employees using multiple factors.