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

Sixth Circuit Says Policyholder's Social Engineering Loss Covered By Computer Fraud Policy

Note: We blogged about a very similar 2nd Circuit case earlier this year in CyberheistNews, the first paragraph below refers to that case.

Colleges Become Phishing Targets with Student Loans as the Payoff

Anytime there’s a transaction involving money, cybercriminals look for ways to hack in and intercept funds. Student Loans are the latest target.

Your Users May Be Too Embarrassed to Report Email Scams

New research shows 25% of users falling victim to impersonation fraud were so ashamed they chose not to report it. Even worse, many don’t know how to spot the scam.

[ALERT] CEO Fraud Escalates. Bad Guys Now Go After Employee Personal Address And Phone Number

KnowBe4 is observing a serious escalation of CEO Fraud. They are now requesting street addresses and personal phone numbers of employees—an attempt to contact and manipulate employees ...

Cyber Attacks Cost German Industry Almost $50 Billion: Study

BERLIN (Reuters) – Two thirds of Germany’s manufacturers have been hit by cyber-crime attacks, costing industry in Europe’s largest economy some 43 billion euros ($50 billion), according ...

[VIDEO] Password Sharing Means Not Caring

How Fast Can Your Domain Admin Password Be Cracked? 19% of employees of small and medium-sized businesses (SMBs) share their passwords with coworkers, according to a study by Switchfast. ...

Want to Know How to Break into a Henhouse? Hire a Fox

Red teaming starts with research. So does social engineering. Red teaming is the practice of thinking and acting like an attacker to test an organization’s defenses, according to security ...

Details of North Korea Attacks Highlight Email’s Role in Attacks

When you think of cyber-espionage, you might be surprised it’s far less “Mission: Impossible” and a lot more basic phishing tactics.

Phishing Scammers are Planning Well into 2020

Cybercriminals are already looking to take advantage of the 2020 Tokyo Olympics. Are you thinking years out? The bad guys are.

New York State Universities Targeted by Phishing Scams

Students from Plattsburgh State and SUNY Adirondack were targeted by several types of scams over the summer, causing Plattsburgh State officials to send out warnings to the student body. ...