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

New Cyber Attack Techniques Will Not Replace Old-School Social Engineering

Even though there are new attack types for cybercriminals, they are still leveraging old-school attack vectors. Why? Because they still work.

Business Email Compromise Attempts Skyrocket in the Last Year

Threat actors launched 156,000 business email compromise (BEC) attempts per day between April 2022 and April 2023, according to Microsoft’s latest Digital Defense Report. While most of ...

[INFOGRAPHIC] KnowBe4’s SecurityCoach: Top 10 Integrations

Real-time security coaching helps improve your organization’s security culture by enabling real-time coaching of your users in response to risky security behaviors.

KnowBe4 Named a Leader in the Fall 2023 G2 Grid Report for Security Awareness Training

We are thrilled to announce that KnowBe4 has been named a leader in the latest G2 Grid Report that compares security awareness training (SAT) vendors based on user reviews, customer ...

[DISINFORMATION ALERT] Israel-Hamas war causes deluge of dis- and misinformation

Social media, and it seems particularly X (former Twitter) seems to drown in an almost instant deluge of disinformation caused by the horrendous Israel-Hamas war that broke out last ...

Smishing Triad Threat Actor Sets Its Sights on the UAE

Resecurity warns that the Smishing Triad threat actor has “vastly expanded its attack footprint” in the United Arab Emirates (UAE).

74% of CEOs Concerned About Their Organization's Ability to Protect Against Cyber Attacks, Despite Seeing Cybersecurity as Critical

According to the recent The Cyber-Resilient CEO report released by IT services and consulting agency Accenture, a staggering 74% of CEOs have expressed concerns about their organizations' ...

Register for KB4-CON EMEA 2023 Now!

Exciting news, registration for KB4-CON EMEA 2023 is open!

Ransomware Attack Dwell Time Drops by 77% to Under 24 Hours

As attackers evolve their toolsets and processes, the significant drop in dwell time signifies a much higher risk to organizations that now have less time to detect and respond to initial ...