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

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 ...

First Quarter 2017 Top-Clicked Phishing Email Subjects [INFOGRAPHIC]

KnowBe4 customers run millions of phishing tests per year, and we report frequently on the top-clicked phishing topics so that our customers know what the highest-risk phishing templates ...

[ALERT] You Want To Fix This MS-Word 0-day Threat Today

Monday night, researchers sounded the alarm about a critical 0-day threat known as CVE-2017-0199 in Microsoft Word that allowed booby-trapped Dridex phishing attacks be sent to millions ...

KnowBe4 March And April Feature Updates

Here is a quick update to show existing customers and people who have not subscribed yet which new features have been added to the KnowBe4 console these last few months, with more ...

Scammers Phishing for financial credentials on Twitter

Steve Ragan at CSO wrote: "Scammers are using Twitter as a vehicle to target people looking for customer support or asking general questions. They interject themselves into legitimate ...

Cybersecurity IQ: Americans Have Trouble Recognizing Phishing Attacks

A new Pew Research Center survey titled "What the Public Knows about Cybersecurity." tallied responses from 1,055 adults last year about their understanding of concepts important to ...

Hacking Compromised Brazilian Bank Top To Bottom

Now here is an IT hacking horror story for you! Kaspersky's blog tells the tale of a bank in Brasil who lost their full online presense and had all of its 36 domains, corporate email and ...


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