Human Risk Management Blog

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

Stu Sjouwerman

Founder and Executive Chairman

Stu Sjouwerman (pronounced “shower-man”) is the Founder and Executive Chairman 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

Yahoo Hack Triggers 'Material Adverse Change' Clause

The Wall Street Journal reported that Verizon's lawyers are looking at using the "material adverse clause' to renegotiate the terms of the $4.8 billion deal they struck on July. Verizon’s ...

More than 60% of US office workers are unaware of the ransomware threat

Nearly half of ransomware attacks are aimed at office workers, but almost two-thirds of those polled are unaware of the threat More than 60% of US office workers are unaware of ransomware ...

[ALERT] Scam Of The Week: Brad Pitt Found Dead (Suicide)

The divorce between Brad Pitt and Angelina Jolie has been used by the bad guys for a "celebrity death hoax" which unfortunately is high-grade click bait. It's the most recent one to hit ...

AI-powered ransomware is coming, and it's going to be terrifying

Business Insider started an article with the following: "Imagine you've got a meeting with a client, and shortly before you leave, they send you over a confirmation and a map with ...

October Is The Time To Kill Old-School Security Awareness Training

CSO had an excellent article that states the case that you need to get rid of old-school awareness training which you do for compliance reasons only. Their photo illustration was funny as ...

Scam Of The Week: Insidious New IRS Social Engineering Attack

There is a new insidious IRS scam that you need to warn your employees, friends and family about, and inform your HR department to start with. Seasoned internet criminals are sending ...

KnowBe4 beats stellar Q2 and grows 369% YoY in Q3

(Tampa Bay, FL) October 9, 2016 --- KnowBe4 is excited to announce we were able to beat our stellar Q2, and maintain our explosive year over year growth, Q3 2016 being 369% over Q3 2015. ...

Did You Know That Ransomware Can Stop SQL So It Can Encrypt The Database?

I have been knee deep into Ransomware since September 2013 when the granddaddy of modern ransomware CryptoLocker made well over 20 million bucks in a few months. But sometimes I learn ...

The 7 Levels Of Hackers

Eric Chabrow over at the Government Info Security blog found an interesting post by Stuart Coulson, who is a director of a hosting provider in the U.K. Coulson wrote a somewhat longish ...

Massive Cerber Ransomware Campaign Flooding Your Employees' Inboxes

By Eric Howes, KnowBe4 Principal Lab Researcher. This Monday morning many of our customers came in to work to find a rather rude surprise lurking in their inboxes: a massive Cerber ...

KnowBe4 Is Excited To Announce Active Directory Integration

We are stoked to announce the new integration with Active Directory! The Active Directory Integration (ADI) helps you easily upload user data and eliminate manual updates by automatically ...

Is Security Making The Grade? What IT And Business Pros Really Think

Great joint survey by CSO, CIO and ComputerWorld by Amy Bennett which is excelllent ammo to add to a budget request that needs to be approved by a C-level exec. Here's why: "If you sense ...

Uh oh, Yahoo May Have Been COMPLETELY Pwned

We predicted that this would happen on September 23rd when the news broke that Yahoo lost "at least" 500 Million credentials. Just for a change I'm quoting myself here: :-D "Right, that ...

This weird ransomware strain spreads like a virus in the cloud

Here is a ransomware horror story for you... An obscure 2-year old ransomware strain called Virlock has a nasty feature: it is capable of stealthily spreading itself via cloud storage and ...

InfoArmor: The Yahoo Hackers Were Not State-sponsored

Eastern European organized crime, not state-sponsored hackers, were behind the record breaking 2014 Yahoo data breach that exposed information about hundreds of millions of Yahoo user ...

Brazen: Phishing Attacks The Bad Guys Send When No One's Looking

When we talk with folks outside the security industry about what we see from the bad guys on a daily basis, we often get the response, "Wow! That's really sneaky." And it's true. The bad ...

Ransomware Is Now Officially Extortion Under California Law

Of course everyone knows that hacking into a computer is a federal crime, and infecting a system with ransomware already falls into that bucket. However, California’s SB-1137, signed into ...


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