KnowBe4 Blog

Keeping you informed. Keeping you aware.
Stay on top of the latest in human and agent security including social and prompt 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

"Quebec is an embarrassment": Province urged to do more on cybersecurity

MONTREAL — On Sept. 10, municipal employees in a region between Montreal and Quebec City arrived at work to discover a threatening message on their computers notifying them they were ...

IRS Issues Urgent Warning On Tax Transcript Scam

The Internal Revenue Service (IRS) is warning about a new “tax transcript” scam. In the scam, taxpayers are tricked into opening emails that look like they are from the IRS—but they ...

Expert Insights Recognizes KnowBe4 as a ‘2018 Market Leader’ for Security Awareness Training

KnowBe4 has been ranked the top vendor in the category of Security Awareness Training by Expert Insights

Phishing Accounts for 50% of All Fraud Attacks [InfoGraphic]

According to the latest research from RSA, attacks intent on committing financial fraud most frequently begin with tried and true phishing.

Now here is something new: Russian Banks Targeted by Sophisticated Phishing Emails

This does not happen too often, and these attackers must be outside of Russia. If hackers inside Russia attack their own country, the FSB is on their doorstep with a SWAT team in no time.

How better training, cybersecurity upgrades made one credit union safer

America’s Christian Credit Union, Glendora, Calif., reduced its cybersecurity threat plane by 90 percent by upgrading both its hardware and its resistance to phishing – and earned a ...

Russian APT Comes Back To Life With New Us Spear-Phishing Campaign

A Russian state-sponsored cyber-espionage group has come back to life after a one-year period of inactivity with a relative large spear-phishing campaign that has targeted both the US ...

Hacked Law Firm Can't Claw Back $580,000 From Bank That Completed Transfer

Max Mitchell at Law.com has an interesting and rather painful story. Don't let this happen to your organization.

KnowBe4 Modstore Release: Captain Awareness Has Arrived And Is Here To Help

The KnowBe4 Courseware Team is excited to announce the release of the first 6 episodes in a new comic book style animated series: Captain Awareness. These first two-minute modules cover ...