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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Motivations of Phishing Criminals

Jan 22, 2021 8:44:00 AM By Roger Grimes

Phishers, people who are phishing other people (i.e., victims), have reasons for doing so. They are all criminals…cons…each pretending to be something they are not in order to trick ...

The Many Ways You Can Be Phished

Jan 22, 2021 8:38:17 AM By Roger Grimes

Social engineering and deception are as old as humanity itself. Phishing is social engineering and deception via digital means and has been with us since the beginning of computers. After ...

2020 Top Phishing and Vishing Attacks And Trends

Dec 31, 2020 10:06:25 AM By Roger Grimes

It’s an extra challenging year, harder than most, to choose the most impactful cybersecurity events. The year ended with a bang – the Solarwinds supply chain attack – which possibly ...

How Can You Be More at Risk With MFA?

Dec 23, 2020 1:43:26 PM By Roger Grimes

In my recent comment on the Solarwinds’ cyber attack, I made the claim that using multifactor authentication (MFA) can sometimes make you more at risk than using a simple login name and ...

Solarwinds MFA Bypass Attack Pushes Limits

Dec 16, 2020 12:59:35 PM By Roger Grimes

Excellent, long-time, tech reporter Dan Goodin reported in Ars Technica that the recent Solarwinds’ supply chain attack involved hackers bypassing a popular multi-factor authentication ...

Shame! Shame! I Got Phished

Dec 14, 2020 8:00:00 AM By Roger Grimes

I can’t be phished. At least that’s what I used to believe.

Why Are You Being Phished?

Dec 8, 2020 4:05:42 PM By Roger Grimes

People often wonder, why are they being phished? Why are they being phished by a hacker in the first place? What does their organization have that some hacker decided they were noteworthy ...

The Most Common Password Frustrations

Nov 9, 2020 5:01:48 PM By Roger Grimes

We all know the well-worn adage to make our passwords long and complex. Sometimes trying to do so can be completely frustrating.

6 Lessons I Learned from Hacking 130 MFA Solutions

Nov 5, 2020 2:16:43 PM By Roger Grimes

I was fortunate enough to write Wiley’s Hacking Multifactor Authentication. It’s nearly 600-pages dedicated to showing attacks against various multi-factor authentication (MFA) solutions ...

[NEW BOOK] Hacking Multi-Factor Authentication

Oct 27, 2020 8:58:07 AM By Roger Grimes

I’m excited to announce the release of my 12th book, Hacking Multifactor Authentication.

Beware of Fake Forwarded Phishes

Sep 17, 2020 3:29:13 PM By Roger Grimes

There are many specific, heightened challenges of spear phishing emails coming from compromised, trusted third parties. Trusted third-party phishing emails usually come from the ...

Check Your Email Rules for Maliciousness

Sep 2, 2020 4:07:15 PM By Roger Grimes

Email rules have been used maliciously for decades. Learn about email rules and what you need to do to defend your organization against their malicious misuse.

How to Defend Against Phishes Coming from Trusted Partners

Aug 31, 2020 9:54:51 AM By Roger Grimes

One of the most frequent concerns I hear from IT security practitioners and CISOs is the rise of phishing attacks coming from compromised trusted partners and contractors. The attackers ...

Watch Out for OAuth Phishing Attacks and How You Can Stay Safe

Aug 19, 2020 3:53:03 PM By Roger Grimes

A steadily growing phishing trend involves phishing emails which attempt to modify your OAuth permissions. Simply clicking on one Allow button or hitting ENTER by mistake can ...

Phishing Golden Hour

Aug 12, 2020 6:08:44 PM By Roger Grimes

In emergency healthcare settings, the “golden hour” is the time between when a patient suffering a life threatening event (e.g., heart attack, stroke, aneurysm, etc.) is most likely to ...

Like Twitter, MFA Will Not Save You!

Jul 16, 2020 1:24:50 PM By Roger Grimes

I’m sure we are all interested in the latest Twitter hack. As the author of the soon to be released Wiley book called Hacking Multifactor Authentication, I have to laugh at the “experts” ...

How To Improve Employee Engagement in Security Awareness Training

Jun 24, 2020 12:37:10 PM By Roger Grimes

One of the most common questions I get asked working for a security awareness training company is, how do I make employees more engaged with and care about the training? I get it. Who ...

Top 12 Most Common Rogue URL Tricks

Jun 19, 2020 3:18:27 PM By Roger Grimes

It’s nearly impossible to find an Internet scam or phishing email that doesn’t involve a malicious Uniform Resource Locator (URL) link of some type. The link either directs the user to a ...

Increase in BLM Domain Names Forecasts BLM Phishing Attacks

Jun 16, 2020 3:26:04 PM By Roger Grimes

There has been a significant increase in DNS domain names containing blacklivesmatter or George Floyd’s name and there’s a good chance some of those are owned by people with malicious ...

The Three Pillars of the Three Computer Security Pillars

May 18, 2020 8:31:59 AM By Roger Grimes

Much of the world, or at least the United States, is coalescing around the NIST Cybersecurity Framework. It’s a pretty good one to follow out of the many dozens that have been proposed ...

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