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

Facebook and Google Were Victims of 100 Million-Dollar Phishing Scam

We have been reporting on this massive Cyberheist for a while now, but Fortune Magazine decided to unleash their investigative reporters and find out exactly who those two mysterious ...

America Ponies Up: Ransomware Payments Rise To $1,077 Per Infection

America was the victim of 34 percent of global ransomware infections in 2016. The "why" is clear; a whopping 64 percent of Americans are willing to pay to get their files back, as opposed ...

100+ Free Ransomware Decryption Tools

The threat of ransomware has never been more real. In fact, 2016 was a record year. Here are some scary statistics from the past year put together by the folks at Barkly: Nearly 50 ...

Northrop Grumman can make a stealth bomber – but falls for W-2 phishing attack

US military contractor Northrop Grumman notified their employees that hackers managed to gain access to their W-2 tax records. As The Register just reported, the makers of America’s ...

Newark City Hall Computers Infected With Ransomware

NEWARK, N.J. (CBSNewYork) — . The City of Newark’s computer system has been disabled by hackers demanding thousands in ransom money, according to a published report. Hackers are demanding ...

Cyber Insurer Beazley Sees New Phishing Threats Emerge

New York, April 25, 2017 - Beazley, a pioneer in cyber and data breach response insurance, today released its Beazley Breach Insights – April 2017 findings based on its response to client ...

French Presidential Candidate Target Of Russian Hacker Phishing Attack

The French presidential election has been hit with a case of déjà vu. Emmanuel Macron's campaign said its staff received phishing emails meant to steal their passwords. Trend Micro said ...

This Week's Top "In The Wild" Phishing Attacks

And here are this week's Top 10 "In The Wild" phishing attacks that we received from our customers by employees clicking the Phish Alert Button and sending the email to us for analysis. ...

U.S. Court Sentences Russian Hacker to a Record-Setting 27 Years

On Friday, a Seattle Federal District Court judge sentenced 32 year old Roman Valerevich Seleznev to 27 years in prison for running a vast credit card and identity theft operation, ...

NIST Releases Update to Cybersecurity Framework

The National Institute of Standards and Technology (NIST) has issued a draft update (PDF) to the Framework for Improving Critical Infrastructure Cybersecurity—also known as the ...

And Just When You Thought Locky Ransomware Had Disappeared...

Locky ransomware reappeared with a vengeance Friday, this time not using Office documents combined with social engineering to have the user enable macros, but with a PDF that has a Word ...

[ALERT] Aaron Hernandez Death Phishing Scams

Low-life scum is exploiting the deaths of famous people, such as the suicide yesterday of former N.E. Patriots player Aaron Hernandez.

UK Cybersecurity Report: "Ransomware Is Urgent Issue"

Today, the UK Government issued a comprehensive report called: "Cyber Security Breaches Survey 2017" and covered the skyrocketing ransomware infections. The report highlighted: "The ...

The three ‘B’s’ of cybersecurity for small businesses

I just found a great article by Scott Shackelford, Associate Professor of Business Law and Ethics; Director, Ostrom Workshop Program on Cybersecurity and Internet Governance; ...

Scam Of The Week: It's Not A WhatsApp Voice Mail! 

You probably know that the Eastern European cyber mafia does their beta testing in the U.K., before they "export" their criminal campaigns to America. Here is a heads-up of a social ...

Why Cerber Is The New King Of Ransomware

During 2016, ransomware exploded. It clearly became the biggest menace on the net, using phishing as it's No.1 infection vector. Hundreds of ransomware strains competed for market ...

Inside the Tech Support Scam Ecosystem

Dennis Fisher at OnThe Wire reported on some fascinating research by three PhD candidates at Stony Brook University. He wrote: "Fake tech support schemes have been a scourge on the ...


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