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

2020 Phishing Attack Report Shows Over Half of Respondents Noticed Increase in Attacks

Cybersecurity Insiders released a report on the 2020 Phishing Attack Landscape Report, which noted the increase of phishing attacks in 2020 due to the COVID-19 pandemic.

Signs of Inbound Ransomware

Organizations need to monitor for common signs of imminent ransomware attacks, according to Peter Mackenzie from Sophos. In an article for the Saudi Gazette, Mackenzie outlines five ...

Securing Remote Employees is the Top 2021 Cybersecurity Challenge for Organizations

Security vendor CheckPoint provides insight into what are the organizational cybersecurity priorities for next two years, as well as where cybersecurity is going to be challenging.

Phobos Ransomware Is Alive and Well, Targeting SMBs and Asking for Ransoms of $19K

In celebrating its two-year birthday this month, experts take a look at the Phobos ransomware in detail and offer up suggestions on how to avoid infection.

Scammers Use a $100 Amazon Gift Card to Deliver the Banking Trojan Dridex to Their Victims

It appears the holidays aren’t without a cyber-grinch, as attackers use the lure of free money in the form of a gift card as an easy means to trick victims into infecting their own ...

Beware of Puppy Scams

Researchers at Anomali have discovered eighteen scam websites offering pets for sale. Most of the websites purport to be selling dogs, although some offer cats and birds as well. The ...

How to Start a Successful Security Awareness Training Program

You did it - your organization has finally decided to take the first step in implementing security awareness training. But with starting something new there tends to be a 'deer in the ...

What You Need to Know About DMARC

It's true - not enough organizations utilize DMARC, SPF, and DKIM, global anti-domain-spoofing standards, which could significantly cut down on phishing attacks. But before you implement ...

BEC Attacks Nearly Doubled in 2020

A new report from Barracuda Networks found that business email compromise (BEC) attacks have nearly doubled over the past year. These attacks made up 12% of all spear phishing attacks in ...

Cybercriminals Attempt to Exploit Australian Fears on COVID-19

The bad guys are attempting to take advantage of Australian fears of COVID-19 in 2021. The National Identity and Cyber Support Service of Australia and New Zealand ID Care recently warned ...