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

A Look at Election Influence And Social Engineering

Attempts to influence elections are by no means new, but highly targeted online advertising requires people to think about social engineering in the form of political messaging in a new ...

Real Estate Scams Have Gone Global. Bad Guys Caused Tens of Thousands of Dollars Damage Down Under

Scammers hijacked a total of $70,000 by imitating an Australian settlement agent’s email address, and then tricking two property buyers into sending the money to the wrong account, Perth ...

Malicious Actors the World Over Endorse This One Security Practice

If you're working the trenches in your organization's IT department, then one of your more consistently annoying headaches involves passwords. Users and their passwords are the ongoing ...

[Heads-Up] Scam Of The Week: Thousands Of Hacked Disney+ Accounts Are Already For Sale On Criminal Sites

Apart from me, guess who has been anticipating the Disney+ channel?

Get Your Hands On KnowBe4's Important 2020 Security Threats and Trends Survey Results *First*

Once a year, KnowBe4 runs its Security Threats and Trends Survey. We’re polling IT and Security executives, administrators and professionals like yourself on what technology and business ...

A Majority of Organizations Experience Breaches Despite a Majority Saying They Are Prepared to Defend Against Them

The mismatch of signals by IT organizations shows a potential overestimation on IT’s part about its ability to prevent and protect against new cyberthreats.

IT Budgets Are on the Rise in Part Due to Organizational Concerns for Security

Security remains a primary driver as organizations work to establish budgets that keep IT cutting edge, competitive, and secure, according to new data from Spiceworks.

Interested in cybersecurity law and policy?

Check out “Caveat,” the CyberWire's newest weekly podcast addressing cybersecurity law and policy, with a particular focus on surveillance and digital privacy. This podcast is hosted by ...

Half of M&A Cyber Audits Uncover Undisclosed Breaches That Derail Deals

Cybersecurity diligence performed prior to a merger or acquisition often uncovers weaknesses in an organization’s security stance, which can spell doom for the company being purchased and ...

SIM Card Attack May Affect Over 1 Billion Mobile Phones Worldwide

Using SMS messaging, attackers can use phishing tactics to hijack mobile devices using a legacy piece of SIM code, called the S@T Browser, to execute commands as part of a more ...