KnowBe4 Blog

Keeping you informed. Keeping you aware.
Stay on top of the latest in human and agent security including social and prompt engineering, ransomware and phishing attacks.

AI-Assisted Social Engineering Attacks Continue to Rise

Social engineering remained the top initial access vector for cyberattacks in 2025, with increasing assistance from AI tools, according to a report from ThreatDown. The researchers warn ...

How To Recall An Email In Gmail

People accidentally send emails to the wrong recipients every day. The impact of these incidents can be relatively minor if there is no sensitive data included in the email body or ...

Report: AI-Driven Fraud Surged by 1200% in December 2025

AI-driven fraud attacks spiked by more than 1200% in December 2025, according to a new report by Pindrop Security. Threat actors are using AI to assist in every stage of the attack, from ...

Your Password Needs To Be 25 Characters or Longer Due to AI and Quantum Attacks

Prior to my further research into AI and quantum for my latest book, How AI and Quantum Impact Cyber Threats and Defenses, I had pretty solid password policy recommendations:

Warning: Attackers Are Using DKIM Replay Attacks to Bypass Security Filters

Cybercriminals are abusing legitimate invoices and dispute notifications from popular services to send scam emails that bypass security filters, according to researchers at Kaseya’s INKY. ...

Welcome to the Blur: Designing Security That Works With, Not Against, AI Adoption

There's a moment in every security professional's career when they realise the game has fundamentally changed. Mine came last Tuesday at 3:47 PM, watching my colleague Erich argue with an ...

CyberheistNews Vol 16 #07 Uncovering the Sophisticated Phishing Campaign Bypassing M365 MFA

CyberheistNews Vol 16 #07 | February 17th, 2026 Uncovering the Sophisticated Phishing Campaign Bypassing M365 MFA KnowBe4 Threat Labs has detected a sophisticated phishing campaign ...

North Korean Hackers Target Job Seekers With Phony Interviews

North Korean hackers continue to target software developers via social engineering attacks, according to researchers at Recorded Future.

New Book! How AI and Quantum Impact Cyber Threats and Defenses

I am excited to announce my latest book, How AI and Quantum Impact Cyber Threats and Defenses: Shaping Your Cyber Defense Strategies.

Voice Phishing Kits Give Threat Actors Real-Time Control Over Attacks

Researchers at Okta warn that a series of phishing kits have emerged that are designed to help threat actors launch sophisticated voice phishing (vishing) attacks that can bypass ...