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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Phishers Abusing Legitimate but Neglected Domains To Pass DMARC Checks

Mar 5, 2024 6:45:26 AM By Roger Grimes

A recent great article by BleepingComputer about domain hijacking and DMARC abuse reminded me that many companies and people do not understand DMARC well enough to understand what it does ...

Game-Changer: Biometric-Stealing Malware

Feb 28, 2024 2:25:55 PM By Roger Grimes

I have been working in cybersecurity for a long time, since 1987, over 35 years. And, surprisingly to many readers/observers, I often say I have not seen anything new in the ...

Credential Theft Is Mostly Due To Phishing

Feb 28, 2024 12:21:10 PM By Roger Grimes

According to IBM X-Force’s latest Threat Intelligence Index, 30% of all cyber incidents in 2023 involved abuse of valid credentials. X-Force’s report stated that abuse of valid ...

Anyone Can Be Scammed and Phished, With Examples

Feb 21, 2024 3:23:29 PM By Roger Grimes

I recently read an article about a bright, sophisticated woman who fell victim to an unbelievable scam. By unbelievable, I mean most people reading or hearing about it could not believe ...

Hard Lessons From Romance Scams

Feb 12, 2024 10:32:16 AM By Roger Grimes

Seeing as this week is Valentine’s Day, I should have written something about rom coms, true love, and trusting your heart more. But this is not one of those posts. This post is about ...

Calculating Materiality for SEC Rule 1.05

Feb 9, 2024 12:03:21 PM By Roger Grimes

The U.S. Securities and Exchange Commission (SEC), through a new requirement of Item 1.05 of the 8-K, requires that all regulated companies report significant cybersecurity breaches ...

Cybersecurity Resiliency and Your Board of Directors

Feb 8, 2024 2:41:03 PM By Roger Grimes

Growing cybersecurity threats, especially ransomware attacks, and the Securities and Exchange Commission’s (SEC) recent rules have made having a cybersecurity-aware Board of Directors ...

AI Does Not Scare Me, But It Will Make The Problem Of Social Engineering Much Worse

Jan 22, 2024 2:05:54 PM By Roger Grimes

I am not scared of AI. What I mean is that I do not think AI is going to kill humanity Terminator-style. I think AI is going to be responsible for more cybercrime and more realistic ...

Beware of "Get to Know Me" Surveys

Jan 11, 2024 1:46:46 PM By Roger Grimes

Trained security awareness professionals are aware that whatever someone says about themselves and personal experiences can be used against them in a social engineering scam. It is always ...

Beyond the Scams: Unraveling the Dark Tactics of Real-World Kidnapping Scams and Virtual Extortion

Jan 10, 2024 2:53:03 PM By Roger Grimes

The world can be a scary and dangerous place. Its unethical scammers have no problem doing almost anything to make a buck, but sometimes, their plots seem to be extra messed up.

Beware of Fraudulent Charge Messages

Jan 5, 2024 1:19:09 PM By Roger Grimes

Be careful of emails, SMS messages, or calls claiming to be from your bank about your card being used fraudulently. If this ever happens, call the phone number on the back of your card.

A Dream Team Security Awareness Training Program?

Jan 2, 2024 1:29:27 PM By Roger Grimes

Every person and organization is different and requires slightly different methods and ways of learning. But every person and organization can benefit by more frequent security awareness ...

We Do What We Are Trained To Do

Dec 27, 2023 3:45:17 PM By Roger Grimes

When I was young, I was an oceanfront lifeguard, firefighter and EMT paramedic. All disciplines involved frequent education and training.

Why Security Awareness Training Is Effective in Reducing Cybersecurity Risk

Dec 14, 2023 1:14:38 PM By Roger Grimes

Security awareness training (SAT) works! A well-designed security awareness training campaign will significantly reduce cybersecurity risk.

How To Fight Long-Game Social Engineering

Dec 13, 2023 8:08:40 AM By Roger Grimes

CISA sent out a warning about a Russian advanced persistent threat (APT) called Star Blizzard warning about their long-game social engineering tactics.

Phishing Defense: Train Often to Avoid the Bait

Dec 8, 2023 3:40:51 PM By Roger Grimes

Surveys, unfortunately, show that the vast majority of organizations do little to no security awareness training. The average organization, if it does security awareness training, does it ...

Phishing-Resistant MFA Will Not Stop Phishing Attacks

Dec 7, 2023 10:25:31 AM By Roger Grimes

You would be hard-pressed to find an author and organization (KnowBe4) that has pushed the use of phishing-resistant multi-factor authentication (MFA) harder.

New SEC Rules Will Do More Than Result in Quick Breach Reporting

Dec 5, 2023 5:12:47 PM By Roger Grimes

On July 26, the U.S. Security & Exchange Commission (SEC) announced several new cybersecurity rules, taking affect mid-December 2023, that will significantly impact all U.S. ...

Security Awareness Training Can Help Defeat Deepfake and AI Phishing

Dec 1, 2023 12:26:58 PM By Roger Grimes

There is no doubt that more pervasive deepfake and AI technologies will make for more realistic, sophisticated, phishing attacks, and add to an already huge problem.

[HEADS UP] FBI Warns About Callback Phishing

Nov 10, 2023 11:28:35 AM By Roger Grimes

In a recent official advisory, the FBI warned about the threat of callback phishing (among other threats). Below is the relevant excerpt.

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