KnowBe4 Blog

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

Roger Grimes

CISO Advisor

Roger A. Grimes, CISO Advisor for KnowBe4, Inc., is the author of 15 books and over 1500 articles, specializing in host security and preventing hacker and malware attacks. Roger is a frequent speaker at national computer security conferences and his presentations are fast-paced and filled with useful facts and recommendations.
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Recent Posts

Training AI Agents Will Be Status Quo

Protecting humans means protecting the tools humans use.

PayPal Scam From PayPal

One of the most common human risk management recommendations is for users to hover over URL links of unexpected messages to see if the involved DNS domain is legitimate or not for the ...

Advanced Educational Competition – Ask Your Employees To Submit Their Best Phishing

I occasionally get human risk management (HRM) administrators asking me to help them with ideas of “contests” to better educate their end-users.

A Warrant Is Out for Your Arrest

A super common voice phone call phishing scam (i.e., vishing) is when the scammer calls you and pretends to be a law enforcement official with a warrant for your arrest for not answering ...

One of the Biggest Mysteries in Cybersecurity: Why Don’t We Demand This?

“The problem is much, much worse than most people acknowledge.” One of the biggest enduring mysteries for me in cybersecurity is why most cybersecurity curricula don’t teach secure coding ...

Beyond the Inbox: How Old-School Mail Scams Are Still Stealing Your Money

In a world so full of digital online scams, it’s hard to remember that scammers abuse our postal mailing systems as well.

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 ...

ClickFix Social Engineering is Becoming More Popular

ClickFix attacks have been around for decades; only the name is new.

If You Think Social Engineering Is Bad, It’s Going To Get Worse

There is no other way to say it clearer, social engineering is going to be a lot, lot worse soon and far more successful than it is today. And that’s saying a lot. It’s already pretty bad.

Malicious Connectors Potentially Impact Hundreds of Millions of Microsoft 365 Users

Most Microsoft 365 users aren’t aware of this recently growing serious email threat vector.