Human Risk Management Blog

Keeping you informed. Keeping you aware.
Stay on top of the latest in security including social 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

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.

Ransomware Trends in 2025

I’ve been following ransomware since the first one, the AIDS Cop Trojan, was released in December 1989.

The Attack On Browser-Based AI Agents Is Coming

We are working tirelessly on our AI First strategy to better protect both humans and their AI tools.

AI Attacks Are Coming in a Big Way Now!

AI is going to allow better, faster, and more pervasive attacks.

FTC States That Scams Cost U.S. Consumers $158.3 Billion in One Year

I am used to repeating some pretty big numbers when talking about the financial impact of cybercrimes. When you look into the data, it is pretty easy to start talking about tens of ...

What Is AI?

What is AI really? Throughout this article, I will remove the hype and get to the most honest answer ever.

Fake MFA Reset Warning Message

A KnowBe4 co-worker of mine recently got this SMS phishing message (i.e., smish).

If I Had Only 20 Seconds To Teach People How To Avoid Scams

Human risk management involves more than security awareness training, but training is a huge part of the mix.

Beware of Coinbase Scams

I got this Coinbase-related scam in my personal inbox last week.

Agentic AI Ransomware Is On Its Way

Agentic AI-enabled ransomware is not here yet, but likely will be very soon. I am talking this year or by 2026.

You Are Still Vulnerable to Password Attacks When Using Passkeys

Just because you’re using a passkey doesn’t mean your password is gone.

Xfinity Scam Might Explain Similar Scams

Recently, I covered a T-Mobile scam where a friend of mine narrowly avoided losing money. In that scam, the attackers called up pretending to be from T-Mobile offering him a ...

A Sneaky T-Mobile Scam and Lessons That Were Learned

A friend of mine got a call on his phone and he regrettably picked it up. The number was 267-332-3644. The area code is from Bucks County, PA, where he used to live many years ago.


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