Security Awareness Training Blog

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Stay on top of the latest in security including social engineering, ransomware and phishing attacks.

Stu Sjouwerman

Chief Executive Officer & President

Stu Sjouwerman (pronounced “shower-man”) is the founder and CEO of KnowBe4, Inc., which hosts the world’s most popular integrated security awareness training and simulated phishing platform, with over 54,000 organization customers and more than 50 million users. A serial entrepreneur and data security expert with 30 years in the IT industry, Stu was the co-founder of Inc. 500 company Sunbelt Software, a multiple award-winning anti-malware software company that was acquired in 2010.


Recent Posts

Ransomware and CEO Fraud Dominate 2016

An interesting Q1-16 threat report from the folks at Proofpoint. Every day, they analyze more than 1 billion email messages, hundreds of millions of social media posts, and more than 150 ...
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New Petya Comes Loaded with Double-Barrel Ransomware Attack

A new twist on the Petya ransomware and how it now uses a backup ransomware attack. Remember, Petya is a new type of ransomware that doesn’t encrypt specific files but makes the entire ...
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New evil android phishing trojans empty your bank account

Infragard warned that the FBI has identified two Android malware families, SlemBunk and Marcher, actively phishing for specified US financial institutions’ customer credentials. The ...
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Congress warned about cybersecurity after attempted ransomware attack on House

In an email provided to TechCrunch, the House technology service desk warned representatives of increased ransomware attacks on the House network. The email warns that attackers are ...
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InfoSec Analyst: "We Make People Suck At IT Security"

IT Security analyst Ben Tomhave calls himself an infosec obsessive and I admire his insightful analyses when they appear. This time he commented on the recent attacks that followed the ...
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Prince Death Overdose Caught On Video! Stolen out of a spear phishing attack?

Our CTO was picking up some groceries and saw this at the check-out, stolen straight out of a spear phishing email... or was it? LOL.
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The Hidden Dangers of .HTML Attachments

By Eric Howes, KnowBe4's Principal Lab Researcher Over the past six to nine months .DOC and .JS file attachments have dominated the news surrounding the rise in phishing attacks. The ...
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Troy, Mich Investment Firm Loses $500,000 in CEO Fraud

An employee at a Troy, Mich., investment firm fell for a CEO Fraud attack and was social engineered into transferring almost $500,000 to a Hong Kong bank. The error was noticed eight days ...
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New KnowBe4 Feature: Vulnerable Browser Plugin Detection

How Can I See If My Users Have Vulnerable Browser Plugins Installed? Within your console, you can automatically detect what vulnerable plugins any clickers on your phishing tests have ...
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Verizon 2016 Data Breach Report: "Phishing Tops The List Of Increasing Concerns"

Verizon yearly does a comprehensive report on security and data breaches. It is excellent ammo to get budget approval for new-school security awareness training. Why? Hundreds of security ...
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[ALERT] 2016 Is A Ransomware Horror Show. Here's The Roundup Of 32 New Strains!

If you've been in the IT trenches over the past year, you've probably noticed the announcements of new strains of ransomware are accelerating. The research team at Proofpoint just ...
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The Phishing Attack That Came Out Of Zendesk

Yesterday, April 25 2016, we encountered a new phishing email being delivered through Zendesk. The credentials phish itself is a straightforward social engineering attack. The email body ...
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Scary New CryptXXX Ransomware Also Steals Your Bitcoins

Now here's a new hybrid nasty that does a multitude of nefarious things. Proofpoint researchers found that it was built by the same cyber mafia that's behind the Reveton malware. A few ...
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Scam Of The Week: Secure Document Phishing Attacks Trap Employees

In this Scam Of The Week we are warning against a new wave of phishing scams. In the industry this is called the "secure doc" theme. It's getting very popular with the bad guys. We see a ...
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Scam Of The Week: Prince Last Words On Video

Today, news broke that Prince Rogers Nelson was found dead in his home in Minneapolis at age 57. He was found unresponsive in an elevator and was declared dead shortly after. He performed ...
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[ FTC ALERT ] Don't Get Scammed By Earthquake Phishing Emails

It's the old story. A disaster strikes and 24 hours later you get emails with urgent request for help as hundreds of wounded victims need food, water and shelter. And the bad guys are at ...
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CyberheistNews Vol 6 #16 FBI: "Ransomware On Pace To Be A 1 Billion Dollar Business In 2016"

CyberheistNews Vol 6 #16 FBI: "Ransomware On Pace To Be A 1 Billion Dollar Business In 2016" CNN Money reports about new estimates from the FBI show that the costs from ransomware have ...
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