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

[NEW] KnowBe4 Interviews a Fake North Korean Employee

You would think with all the global press we have received because of our public announcement of how we mistakenly hired a North Korean fake employee in July 2024, followed by our ...

Effective Security Awareness Training Really Does Reduce Data Breaches

Social engineering and phishing are involved in 70% - 90% of data breaches. No other root cause of malicious hacking (e.g., unpatched software and firmware, eavesdropping, cryptography ...

Brad Pitt Romance Scams Pushed By AI-Enabled Deepfakes

I have helped people detect romance scams for decades. It is still very common for romance scammers to leverage both pictures of celebrities and pictures of innocent, everyday people as ...

"Get Beyond Security Awareness Training" Does Not Mean Forgetting About It

KnowBe4 is a big believer in focusing on decreasing human risk as the best way to decrease cybersecurity risk in most environments.

James Bond-Style Scamming Profits Explode

There is a type of scam where victims are contacted by someone fraudulently posing as a popular trusted entity (e.g., Amazon, U.S. Post Office, etc.), law enforcement, or an intelligence ...

No, KnowBe4 Is Not Being Exploited

Some of our customers are reporting “Threat Alerts” from Mimecast stating hackers have exploited KnowBe4 or KnowBe4 domains to send email threats.

Be Careful of Malicious Ads

For decades, we have all been warned to be appropriately skeptical of internet search engine results. Sadly, most people are not.

Why Controversial Phishing Emails Do Not Work

Frequently, when a cybersecurity training manager sends out a controversial simulated phishing attack message that angers a bunch of employees and ends up making headlines, we get called ...

CISA Strongly Recommends Phishing-Resistant MFA

We are excited to see the Cybersecurity Infrastructure Security Agency (CISA) and outgoing Director Jen Easterly strongly recommend PHISHING-RESISTANT multi-factor authentication (MFA).

Beware of Fake Tech Support Scams

About five years ago, I was having trouble with an expensive brand-name refrigerator that my wife and I had bought. It was a great refrigerator feature-wise. My wife and I initially loved ...