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

Up and To the Right: Ransomware Attacks Grow by 105% in 2021

New data from Sonicwall shows the numbers of nearly every type of attack growing in 2021, with concerns by organizations about attacks and their aftermath at an all-time high.

83% of all Successful Ransomware Attacks Featured Double and Triple Extortion

With 2021 being the “testing ground” for ransomware extortion, 2022 is showing signs of ransomware gangs settling in on proven extortion tactics to ensure payment.

Social Engineering a Major Factor in Cyberattack on Camera Maker Axis Communications

As details of the February attack continue to be divulged, it becomes evident that cybercriminals were able to get past both users and security controls.

Domains Associated with Phishing Directed Against Ukraine

Researchers from Secureworks’ Counter Threat Unit (CTU) are tracking phishing domains used by the “MOONSCAPE” threat actor to target users in Ukraine. The researchers note that Ukraine’s ...

Phishing Impersonation and Attack Trends in 2021

Facebook overtook Microsoft as the most impersonated brand in phishing attacks last year, according to a new report from Vade Secure.

CyberheistNews Vol 12 #10 [Heads Up] A New Phishing Attack Warns About A Suspicious Russian Login

[Heads Up] A New Phishing Attack Warns About A Suspicious Russian Login Email not displaying? | View Knowbe4 Blog CyberheistNews Vol 12 #10 | Mar. 8th., 2022 [Heads Up] A New Phishing ...

[World Premiere] KnowBe4’s New Season 4 of Netflix-Style Security Awareness Video Series - ‘The Inside Man’

We’re thrilled to announce the long-awaited fourth season of the award-winning KnowBe4 Original Series - ‘The Inside Man’ is now available in the KnowBe4 ModStore!

FBI: Ransomware gang breached 52 US critical infrastructure orgs

The US Federal Bureau of Investigation (FBI) says the Ragnar Locker ransomware gang has breached the networks of at least 52 organizations from multiple US critical infrastructure sectors.

By the Way, There's No Draft - Smishing Campaign Alert

Scammers are sending phony text messages (aka Smishing or SMS Phishing) informing people in the US that they’ve been drafted by the US Army, according to Army Times.

Log4j - Kevin Mitnick Explains One of the Most Serious Vulnerabilities in the Last Decade

The Log4j vulnerability caused widespread panic for IT professionals when it was uncovered. Sleepless nights followed for many. But a shortage of time and manpower has left this ...

Phishing Attacks Impersonating LinkedIn are up 232% in the Last Month Alone!

During the period the world has dubbed “the great resignation”, phishing scammers are shifting tactics to take advantage of those looking for a new career or place of employment.

FBI: Scammers Take Business Email Compromise Attacks to Virtual Meeting Platforms

In a new twist on an old scam, BEC attacks switch from email to a virtual meeting where social engineering tactics are used to further establish credibility and increase the likelihood of ...

CISA: 2021 Cyberattack Trends Indicate Increases in Global Ransomware Attacks

New advisory sees critical infrastructure once again in the crosshairs and makes critical recommendations to both protect against ransomware and to reduce its’ impact.

Your KnowBe4 Fresh Content Updates from February 2022

Check out the 28 new pieces of training content added in February, alongside the always fresh content update highlights and new features.

What It's Like to Be the Face of Romance (Scams)

A real US Army colonel named Daniel Blackmon is being impersonated in hundreds or even thousands of romance scams, according to Haley Britzky at Task & Purpose. The scammers took ...

Gain Insight into Where Your Organization Stands with the Security Culture Maturity Model

We’re thrilled to introduce the Security Culture Maturity Model, the industry’s first maturity model specifically geared to measure security culture!

Data Breach Volumes in the U.S. Grow by 10% in 2021

New data shows despite decreases in global data breach levels (-5%) in 2021, the U.S. experienced proportionally more data breaches than in the previous year.

Timely “Help Ukraine” Online Crypto Scams Take in Millions

A new series of "help Ukraine" donation posts have sprouted up across the Internet, but are really a cryptocurrency scam enticing users send crypto donations to counterfeit addresses.

FBI: SIM Swapping Attacks See More Than 500% Increases in The Number of Attacks and Monetary Losses

With mobile devices used as secondary authentication, threat actors have been stepping up activity, looking for ways to transfer phone numbers to cybercriminal-controlled devices.

UK ICO Sees a Massive Increase in Targeted Email Attacks

New data obtained from the UK’s Information Commissioner’s Office by think tank Parliament Street shows an unprecedented rise in attacks against the UK’s information rights organization.


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