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

Size Still Doesn’t Matter Especially When It Comes To CEO Fraud

Lloyds Bank says that Business Email Compromise (BEC)—also known as CEO Fraud—rose by 58% in the UK over the past year. While BEC is often associated by the media with large firms, ...

Campaign Email Security "as Bad as 2016"

The founder of Tech Solidarity, a not-for-profit interested in helping the campaigns of progressive Democrats, has been talking to those campaigns about their email security. He's found ...

Advanced Malware Targets the Telecom Sector And Bypasses Antivirus

The telecommunication service industry is experiencing more advanced malware threats than any other industry group. Researchers at Lastline discovered that ninety percent of malware ...

NY Cyber Law Hits 3rd Deadline: Toughest Yet to Come, How To Get And Stay Compliant?

Craig A. Newman, partner at Patterson Belknap wrote: "By today, financial institutions are required to meet their next deadline for compliance with New York’s cybersecurity law. The ...

Well-Known Cybercrime Group Continues Attacks on Banks

The notorious criminal group Cobalt—aka Carnanak—impersonates vendors or partners to gain access to bank networks, with each successful attack taking in as much as €10 Million.

Email Impersonation aka CEO Fraud Remains on the Rise

With an average of 1 in 6 users receiving email-based impersonation attacks, it spells bad news for organizations.

Vigilance, Passcodes, and PINs the Best Defense Against SIM Swaps

Attackers are using SIM swaps to take advantage of SMS-based verification. A recent string of Instagram takeovers, a crypto currency scam costing an investor over $23 million in tokens, ...

Customer Reports: "GSuite Makes Phishing Training Unnecessarily Hard..."

Customers report to KnowBe4 that they have issues with gmail and their security awareness training program.

$1,170 Is How Much You're Worth On The Dark Web

The Benzinga site had a good short summary of the current price lists for stolen data on the dark web. "According to the Dark Web Market Price Index released by the independent VPN review ...

Come See Me Speak At The Wall Street Journal Small Business Academy October 16th

Join me at the Wall Street Journal Pro’s Small Business Academy event to equip your business with the skills to manage the mounting risks of cybercrime. They are promoting this event ...