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

Three Essential Truths Every CISO Should Know To Guide Their Career

According to my research, it became clear that if CISO's focused on these three items, it would take care of 99% of the vulnerabilities.

Phishers Abusing Legitimate but Neglected Domains To Pass DMARC Checks

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

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

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

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

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

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

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

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

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 ...