Be Careful of That Warrant for Your Arrest

A popular phone call/voicemail scam (i.e., vishing) involves someone calling you, claiming to be law enforcement with a warrant for your arrest, and then offers you an opportunity to ...

October 16, 2025 KnowBe4 Team

Protect Yourself From Voice Phishing Attacks Targeting Salesforce Instances

Google’s Mandiant has published guidance on defending against an ongoing wave of social engineering attacks targeting organizations’ Salesforce instances.

October 9, 2025 Roger Grimes

If You Have Not Realized It, Vishing Is Really Taking Off

Fighting voice-based phishing needs to be a big part of your human risk management (HRM) plan.

August 7, 2025 Roger Grimes

Anatomy of a Vishing Scam

I hear about a ton of similar-sounding scam calls, where the scammer is pretending to be from a service you use (or used), offering you a substantial monthly discount (30% or more) if you ...

June 26, 2025 KnowBe4 Team

Warning: Scammers are Targeting WhatsApp Users

Researchers at Bitdefender warn of a wave of social engineering attacks targeting WhatsApp accounts.

June 16, 2025 KnowBe4 Team

Protect Yourself: Vishing Attacks Are Growing More Sophisticated

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 ...

December 17, 2024 Stu Sjouwerman

[Heads Up] Bad Actors Use Voice Phishing in Microsoft Teams To Spread DarkGate Malware

Threat actors are using voice phishing (vishing) attacks via Microsoft Teams in an attempt to trick victims into installing the DarkGate malware, according to researchers at Trend Micro.

January 9, 2024 Stu Sjouwerman

Red Flags for Phishing: Verizon Outlines Latest Scams to Watch Out For

Verizon has published an article outlining various forms of social engineering attacks, including SMS/text messaging phishing (smishing), voice phishing (vishing), and spear phishing ...

August 9, 2023 KnowBe4 Team

Australians Reporting Alarming Number of Losses to Vishing and Smishing Scams

We know that scam calls (aka vishing) and scam SMSs (aka smishing) are out of control, and for most unaware Australians, they continue to cause pain and suffering. According to the ...

August 18, 2022 Stu Sjouwerman

Hybrid Vishing Attacks Increase 625% in Q2

Reaching a six-quarter high in Q2, hybrid vishing attacks have increased six times that of the hybrid-vishing attacks experienced in Q1 2021.

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