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.

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

Hovering Over Links Will Protect You More Than MFA

Microsoft Security recently released a report which detailed a widely successful phishing attack technique used against over 10,000 of its customers…a phishing attack that worked even if ...

Celebrity Crypto Scams Just Keep on Getting Worse

Bloomberg News recently reported that fake celebrity-endorsed crypto scams have doubled in the UK this year, and on average scammed victims out of $14,540 in stolen value before they ...

Innovative Way to Bypass MFA Using Microsoft WebView2 Is Familiar Nevertheless

An interesting way to bypass multi-factor authentication (MFA) was recently announced by Bleeping Computer. This particular attack method requires a potential victim to be tricked into ...

What About Password Manager Risks?

In KnowBe4’s new Password Policy ebook, What Your Password Policy Should Be, we recommend that all users use a password manager to create and use perfectly random passwords. A perfectly ...

Why We Recommend Your Passwords Be Over 20-Characters Long

KnowBe4 just released its official guidance and recommendations regarding password policy. It has been a project in the works for many months now, but we wanted to make sure we got it ...

Introducing KnowBe4’s Password Policy E-Book

KnowBe4 just released its first e-book covering password attacks, defenses and what your password policy should be. Here is a summary of its recommendations:

We Do Not Talk Enough About Social Engineering and It’s Hurting Us

One of the most important things I have tried to communicate to audiences since at least the 1990s is how prevalent a role social engineering plays in cybersecurity attacks. I have ...

Holding a Great Employee Education Meeting

I recently attended a customer’s annual security awareness training employee event. I have attended a bunch of these over the years and I have loved them all. But this particular customer ...

How Hackers Steal Passwords & Protection Tips

Despite the world’s best efforts to get everyone off passwords and onto something else (e.g., MFA, passwordless authentication, biometrics, zero trust, etc.) for decades, passwords have ...

Making Better Push-Based MFA

I used to be a huge fan of Push-Based Multifactor Authentication (MFA), but real-world use has shown that most of today’s most popular implementations are not sufficiently protective ...