Roger Grimes

Data-Driven Defense Evangelist

Roger A. Grimes is Data-Driven Defense Evangelist at KnowBe4. He is a 30-year computer security professional, author of 13 books and over 1,200 national magazine articles. He frequently consults with international organizations of all sizes and many of the world’s militaries. Grimes regularly presents at national computer security conferences, and is known for his often contrarian, fact-filled viewpoints.

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

Apr 11, 2023 8:20:01 AM By Roger Grimes

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

Mar 22, 2023 8:46:51 AM By Roger Grimes

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

Mar 18, 2023 1:15:43 PM By Roger Grimes

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

Understanding DMARC Better

Mar 16, 2023 10:30:19 AM By Roger Grimes

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

Mar 14, 2023 9:27:01 AM By Roger Grimes

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

Feb 27, 2023 4:15:26 PM By Roger Grimes

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?

Feb 21, 2023 4:36:29 PM By Roger Grimes

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?”

Will AI and Deepfakes Weaken Biometric MFA

Feb 17, 2023 9:31:39 AM By Roger Grimes

You should use phishing-resistant multi-factor authentication (MFA) when you can to protect valuable data and systems. But most biometrics and MFA are not as strong as touted and much of ...

How Does Quantum Impact Passwords?

Jan 25, 2023 4:03:39 PM By Roger Grimes

Yeah, quantum computers are likely to be able to crack passwords from every angle.

Is Your Organization’s Password Complexity Requirement Strong Enough? Probably Not

Jan 17, 2023 8:15:27 AM By Roger Grimes

Is your organization’s password complexity strong enough?

Password Managers Can Be Hacked Lots of Ways and Yes, You Should Still Use Them

Jan 10, 2023 4:43:49 PM By Roger Grimes

The recent hack (at least 7th) of the LastPass password manager has lots of people wondering if they should use a password manager.

[Heads Up] Giant LastPass Breach Can Supercharge Spear Phishing Attacks

Dec 28, 2022 2:27:36 PM By Roger Grimes

By Roger A. Grimes. KnowBe4 recommends that everyone use a password manager to create and use strong passwords as a part of their password policy ...

Ivanti Report Shows Cybersecurity Practitioners Concentrating on Right Threats

Dec 21, 2022 9:25:23 AM By Roger Grimes

A recent Ivanti report shows cybersecurity practitioners getting more focused on the threat landscape, but defenders may need to hone their attention to focus on the right threats.

CISA Phishing Infographic Contains a Lot of Good Information

Dec 13, 2022 8:54:06 AM By Roger Grimes

On December 8th, the Cybersecurity & Infrastructure Security Agency (CISA) released a great phishing infographic about data collected, lessons learned and recommendations learned from ...

[Keep An Eye Out] Beware of New Holiday Gift Card Scams

Nov 30, 2022 10:04:25 AM By Roger Grimes

Every holiday season brings on an increase in gift card scams. Most people love to buy and use gift cards. They are convenient, easy to buy, easy to use, easy to gift, usually allow the ...

Here Is What You Can Do To Inspect SMS URL Links Before Clicking

Nov 9, 2022 4:39:12 PM By Roger Grimes

Phishing via Short Message Service (SMS) texts, what is known as smishing, is becoming increasingly common (some examples are shown below). There is probably not a person on Earth who ...

PhishER Turns Golden Hour Into Golden Minute

Nov 8, 2022 10:00:35 AM By Roger Grimes

Hospital emergency rooms around the world are fine-tuned to meet the requirements of the “Golden Hour”. The Golden Hour is a well-accepted medical fact that critically injured or ill ...

Number Matching Push-Based MFA Is Only Half the Solution

Nov 4, 2022 10:14:34 AM By Roger Grimes

When push-based multifactor authentication (MFA) first came out, I was a big fan. I promoted it as a strong and safe MFA option in my book, Hacking Multifactor Authentication. That was ...

Passkeys Are Being Pushed in a Big Way

Oct 26, 2022 10:58:37 AM By Roger Grimes

There is a good chance that you and nearly everyone else will be using passkeys in the near future.

How To Stop Job Scams

Oct 17, 2022 4:01:57 PM By Roger Grimes

I am reading and hearing about a ton of job scams these days. So many, I wondered how anyone could get a real job or employee, especially in these days of often full-time, work-from-home ...

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