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

When do end-users click on phishing links?

We had a data scientist take a look at more than 4 years of aggregated clicking data and he came up with some interesting results, expressed in graphs. Here are some of the highlights:

Please vote for KnowBe4 at the Cybersecurity Excellence Awards.

Here is a short summary of why we are asking for your vote: Highest growth in customers over all competitive products Most complete suite of anti-phishing tools Easy-to-use, ...

American Chamber Of Commerce Scam Is Spear-phishing Prep

You may be aware of Steven Weisman, Esq. He writes a great daily blog called Scamicide, and is a is a nationally recognized identity theft expert, experienced university lecturer, proven ...

Ransomware Criminals Infect Thousands With Weird WordPress Hack

An unexpectedly large number of WordPress websites have been mysteriously compromised and are delivering the TeslaCrypt ransomware to unwitting end-users. Antivirus is not catching this ...

World's Most Famous Hacker Raises $8 Million To Play In Billion Dollar Security Awareness Training Market

Hi Guys, this is too good to miss. Check out this brand new article in Forbes Magazine. They started out with:

FDIC Warns Banks To Beef Up Cyber Security

I found a very interesting article at the ValueWalk site about the FDIC requiring banks to improve their cyber security, they started out with:

This Week's Five Most Popular HackBusters Posts

There is an enormous amount of noise in the security space, so how do you know what people really talk about and think is the most important topic? Well, we created the Hackbusters site ...

This Week's Ransomware Roundup

1) I was going to write up all the ransomware related news and then ran across this article by Senior Editor Sara Peters at Darkreading. Saves me some time! She started out with: ...

Scam Of The Week: Your Stolen iPhone Has Been Found

Between 3 and 4 million smartphones are stolen every year. It's your modern-day purse snatching. Many people put their entire private and work lives on these devices that can cost up to ...

Alert: Stupid And Damaging New Ransomware Called 7ev3n

Larry Abrams had the scoop: "A new ransomware has been spotted called 7ev3n that encrypts your data and demands 13 bitcoins to decrypt your files. A 13 bitcoin [almost $5,000] ransom ...

CyberheistNews Vol 6 #4 Scam Of The Week: Phish With Hidden Sting

As you may have heard, KnowBe4 has released a no-charge Outlook Add-in that allows your employees to report phishing attacks to your Incident Response team with just one click. It's ...

Crelan Bank Loses 75.8 Million Dollars In CEO Fraud

The Belgian Crelan Bank was the victim of a 70 million euro (75.8M U.S.) fraud that was launched from another country. They claim (PDF) this CEO Fraud was discovered during an internal ...

CEO Fraud Costs Boeing Vendor 54 Million Dollars

Effective security awareness training for your high-risk employees is becoming a major priority. The accounting team of FACC, who design and manufacture aircraft components for Boeing and ...

PAYCHEX: 60% Of Hacked SMBs Are Out Of Business 6 Months Later

Paychex wrote a great article about the urgency of creating a cyber security culture in your business. This is excellent ammo to send to your C-level execs: "Creating a cyber security ...

Scam Of The Week: Phish With Hidden Sting

As you may have heard, KnowBe4 has released a no-charge Outlook Add-in that allows employees to report phishing attacks to their Incident Response team with just one click. It's called ...

CyberheistNews Vol 6 #3 Scam Of The Week: Dell Tech Support Service Tag Hack

This is a real one. A number of people using Dell PCs have been contacted by scammers claiming to be Dell Tech Support who actually had specific data that only Dell could have had. We're ...

Files Lost Forever Due To Buggy Ransomware

Researchers discovered a sample of ransomware that damages files permanently. The malicious code is based on the work of Turkish Oktu Sen security researchers, who last year made their ...

Scam Of The Week: Dell Tech Support Service Tag Hack

This is a real one. A number of people using Dell PCs have been contacted by scammers claiming to be Dell Tech Support who actually had specific data that only Dell could have had. We're ...


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