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

[HEADS UP] Experts Predict 30,000% Increase in COVID-19 Cybersecurity Threats

A security firm is claiming to have seen a staggering 30,000% increase since January in detected phishing, malicious websites and malware designed to capitalize on the COVID-19 crisis.

Two-thirds of Remote Workers Received No Security Awareness Training in the Last Year

This alarming bit of news about U.K. remote workers comes at the worst time when attacks are on the rise, insecure personal devices are being used, and workers are more susceptible to ...

'Florentine Baker Group' Use Microsoft 365 Functionality to Scam Private Equity Firm Out of $1.2 Million

A new investigation by Check Point’s Incident Response Team (CPIRT) demonstrates how brazen cybercriminals are and the lengths they will go to in order to see their scam succeed.

Postcards from a Film Director. The challenges of creating a sitcom during COVID-19 Lockdown

By Jim Shields, Managing Director of U.K.-based Twist & Shout - a KnowBe4 company. When we first created Restricted Intelligence over seven years ago, we had no idea it would be so ...

How Sharing Personal Information Helps Scam Artists

The FBI's Charlotte office released an alert describing how scammers can use personal information on social media to break into online accounts, BleepingComputer reports. As people are ...

Phishing Kit Prices Rise

The price of phishing kits on the black market rose by 149% in 2019, according to researchers at Group-IB. ZDNet reports that the researchers tracked the pricing of 16,200 phishing kits ...

COVID-19 Emails go From Zero to Half a Million a Day in Just Three Months

According to new data from security researchers at Forcepoint, the interest in coronavirus-themed emails and websites by cybercriminals is cause for concern.

German Health Authorities Lose €1.5 Million in COVID-19 Mask Purchase Scam

Reaching an all-new low, an international team of individuals setup an elaborate online scam taking advantage of the current need for healthcare equipment to fight COVID-19.

Apple, Netflix, and Yahoo Were the Most Impersonated Brands in Q1 2020

10% of all brand-impersonation phishing attacks spoofed Apple in the first quarter of 2020, according to a new report from Check Point. Netflix came in second with 9%, followed by Yahoo ...

[HEADS UP] DHS Deadline Notice of 56 Million Security Awareness Training Funding Opportunity

The Department of Homeland Security is providing $56,000,000.00 of grant money to states for cybersecurity and security awareness training.

New COVID-19 Malware Variants Render Your Endpoints Useless

Forget cybercriminals out to steal your money and credentials. Security researchers are now finding more malware intent on rewriting master boot records and wiping file systems.

Quarantine Text Scam Tricks U.K. Residents into Paying “Fine”

Because of the ambiguity of current lockdown restrictions, a new text scam pretending to be from the government feels a bit too real to U.K. residents, turning them into victims.

Zeus Sphinx Banking Trojan is Revived Under the Guise of COVID-19 Assistance

The 5-year old malware variant has reared its ugly head once again after a three-year hiatus – this time attempting to take advantage of the need for COVID-19 financial assistance.

Netflix Scams Target People Sheltering in Place

With people sheltering in place during the pandemic emergency, they’re both teleworking and finding their entertainment online. Google searches for Netflix jumped 142% since the advice to ...

It’s Look-Alike Day: While Doppelganger Humans Can Be Funny, Domains Are Not

On April 20, we celebrate National Look-Alike Day. It’s the perfect time to see which people have similar features as you, instead of that completely normal person you bumped into at the ...

Damage From Phishing Doubles For Dutch Banks

Dutch banks saw damage from phishing double last year compared to the previous year. This concerns both phishing for 2FA security codes and phishing for credit and debit card numbers, ...

[Heads-Up] Hacking Attacks Double Against Users Who Now Suddenly Work From Home

Reuters just reported that hacking activity against corporations in the United States and other countries more than doubled by some measures last month as digital thieves took advantage ...

[NEW PhishER Feature] Remove, Inoculate, and Protect Against Email Threats Faster with PhishRIP

We are excited to announce the availability of PhishRIP™ as part of the PhishER platform to all PhishER customers. PhishRIP is a new email quarantine feature that integrates with ...

Phishing Trend: Quality, Not Quantity?

A new report from CyberCube found that sophisticated cybercriminals are increasingly shifting to launching business email compromise (BEC) attacks against executives, Insurance Business ...


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