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

Increase in BLM Domain Names Forecasts BLM Phishing Attacks

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

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 ...

What is the Right Password Policy?

What is the right password policy? Conventional password policies say you must have a password at least 8-12 characters long…16 characters or longer if it belongs to an elevated ...

Q&A With Data-Driven Evangelist Roger Grimes on the Great Password Debate

I get asked a lot about password policy during my travels around the globe giving presentations and from people who email after webinars. Many of the questions are the same and I’ve ...

Is That COVID-19 Email Legitimate or a Phish?

It’s no surprise that phishers and scammers are using the avalanche of new information and events involving the global coronavirus pandemic as a way to successfully phish more victims. ...

The Best and First Defenses You Should Implement

Every good defense has three pillars of controls: policy, technical, and education. People are always asking what they should do for each to minimize cybersecurity events the most and ...

Third-Party Risk Management Questionnaire for Extended Emergencies

Here’s a questionnaire you can send to suppliers during extended work from home (WFH) periods.

Share the Red Flags of Social Engineering Infographic With Your Employees

Social engineering and phishing are responsible for 70% to 90% of all malicious breaches , so it’s very important to keep your employees at a heightened state of alert against this type ...

The Best Computer Security Solvers Look Beyond the Problem

Who doesn’t love a good computer security “cowboy”? That’s a man or a woman who is a recognized authority in their field of expertise, who groks their subject, who is truly a subject ...

70% to 90% of All Malicious Breaches are Due to Social Engineering and Phishing Attacks

If you’ve heard me speak the last two years, read any of my articles, or watched any of my webinars, you’ve probably heard me say, “Seventy to ninety percent of all malicious breaches are ...