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

Comprehensive Anti-Phishing Mitigations: A Quick Overview

The evidence is clear – there is nothing most people and organizations can do to vastly lower cybersecurity risk than to mitigate social engineering attacks. Social engineering is ...

The Two Best Things You Can Do To Protect Yourself and Organization

Since the beginning, two types of computer attacks (known as initial root cause exploits) have composed the vast majority of successful attacks: social engineering and exploiting ...

Win The AI Wars To Enhance Security And Decrease Cyber Risk

With all the overwrought hype with ChatGPT and AI…much of it earned…you could be forgiven for thinking that only the bad actors are going to be using these advanced technologies and the ...

Top Takeaways You Could be Missing Out on my Upcoming Ransomware Master Class

There is no doubt that ransomware is one of the top cybersecurity challenges of our lifetime. Survey after survey has revealed senior management and IT employees from the top on down, ...

The Future of Cyber Attacks? Speed, More Speed

I get asked all the time to “predict” the future of cybercrime. What will be the next big cyber attack? What will be the next paradigm platform shift that attackers will target? And so on.

[Black Eye] The Lesson We Learned. Don't Let this Happen to You. #DMARC

Mea Culpa. When you make a mistake, admit you made a mistake.

Understanding DMARC Better

I talk and present often about DMARC (and SPF and DKIM), including here. A lot of people who think they understand how DMARC works, do not really understand it as well as they think they ...

5 Reasons Why SecurityCoach Is Awesome

I’ve been doing computer security for over 34 years and in that time, I haven’t seen a lot of game-changing products. What I have seen is a lot of new products that claimed to be ...

GLBA and Other Regulations Wake Up to the Importance of Security Awareness Training With  June 9, 2023 Deadline

Most computer security practitioners have understood for many years the importance of having an aggressive security awareness training program. As social engineering is involved in 70% to ...

Should You Click on Unsubscribe?

Some common questions we get are “Should I click on an unwanted email’s ’Unsubscribe’ link? Will that lead to more or less unwanted email?”