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

Will AI and Deepfakes Weaken Biometric MFA

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?

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

Is your organization’s password complexity strong enough?

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

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

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

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

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

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

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

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 ...