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Security Awareness Training Blog

Keeping You Informed. Keeping You Aware.
Stay on top of the latest in security including social engineering, ransomware and phishing attacks.

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Stu Sjouwerman

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.

Books

Find all of Stu's books on Amazon

Recent Posts

CyberheistNews Vol 15 #20 How to Protect Your Business from Scattered Spider's Latest Attack Methods

May 20, 2025 9:31:28 AM By Stu Sjouwerman
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CyberheistNews Vol 15 #19 [Heads Up] Talos Report Shows Phishing Attacks Surged in Q1 2025

May 13, 2025 9:05:11 AM By Stu Sjouwerman
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CyberheistNews Vol 15 #18 [Eye Opener] Sneaky New Attack. What is Device Code Phishing?

May 6, 2025 9:00:00 AM By Stu Sjouwerman
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Your KnowBe4 Compliance Plus Fresh Content Updates from April 2025

May 5, 2025 9:00:00 AM By Stu Sjouwerman
Check out the April updates in Compliance Plus so you can stay on top of featured compliance training content.
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Your KnowBe4 Fresh Content Updates from April 2025

May 2, 2025 9:00:00 AM By Stu Sjouwerman
Check out the 21 new pieces of training content added in April, alongside the always fresh content update highlights, new features and events.
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Exciting Leadership Updates at KnowBe4

May 1, 2025 5:05:57 PM By Stu Sjouwerman
To our valued KnowBe4 customers, partners, and community. I wanted to share some exciting developments happening at KnowBe4.
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Email Remains the Top Attack Vector for Cyberattacks

May 1, 2025 4:29:20 PM By Stu Sjouwerman
Email is still the most common attack vector for cyber threats, according to a new report from Barracuda.
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Hundreds of Fortune 500 companies have hired North Korean operatives.

May 1, 2025 1:54:27 PM By Stu Sjouwerman
Cyberwire wrote: "WIRED has published a report on North Korea's efforts to obtain remote IT positions at foreign companies, noting that these fraudulent workers are now using AI tools to ...
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Cybercriminals Impersonate DHS Amid Deportation Efforts

Apr 30, 2025 4:42:18 PM By Stu Sjouwerman
Researchers at INKY warn that criminals are impersonating the US Department of Homeland Security to launch phishing scams.
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Researchers Warn of Surge in Infostealers Delivered Via Phishing

Apr 30, 2025 4:41:26 PM By Stu Sjouwerman
The number of infostealers delivered via phishing emails increased by 84% last year, according to a new report from IBM’s X-Force researchers. Threat actors are using these malware ...
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Criminals Exploit the Death of Pope Francis to Launch Scams

Apr 29, 2025 10:46:20 AM By Stu Sjouwerman
Scammers are exploiting the death of Pope Francis to launch social engineering attacks, according to researchers at Check Point.
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CyberheistNews Vol 15 #17 [Warning] The Cyber "Broken Windows Theory" You Can't Afford to Ignore

Apr 29, 2025 9:00:00 AM By Stu Sjouwerman
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Introducing the KnowBe4 Academy: Your Path to Mastering Human Risk Management

Apr 25, 2025 4:04:29 PM By Stu Sjouwerman
We're thrilled to announce the launch of KnowBe4 Academy—a comprehensive learning ecosystem designed specifically for security administrators, IT professionals and team members who manage ...
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Social Engineering Campaign Abuses Zoom to Install Malware

Apr 25, 2025 4:04:00 PM By Stu Sjouwerman
A social engineering campaign is abusing Zoom's remote control feature to take control of victims’ computers and install malware, according to researchers at security firm Trail of Bits.
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Half of Organizations Lack Protection Against Email Spoofing

Apr 24, 2025 3:38:15 PM By Stu Sjouwerman
A new report from Valimail has found that 50% of organizations lack effective protection against email spoofing.
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Warning: Ransomware Remains a Top Threat for SMBs

Apr 23, 2025 3:26:08 PM By Stu Sjouwerman
A new report from Sophos found that ransomware attacks accounted for over 90% of incident response cases involving medium-sized businesses in 2024, as well as 70% of cases involving small ...
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Breaking the Stigma: 90% of Employees Agree that Phishing Simulations Improve their Security Awareness

Apr 23, 2025 3:25:42 PM By Stu Sjouwerman
According to our independent survey of individuals across the UK, USA, Netherlands, France, Denmark, Sweden, the DACH region, and Africa who use a laptop as part of their work, 90.1% find ...
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Threat Actors Are Increasingly Abusing AI Tools to Help With Scams

Apr 22, 2025 9:01:39 AM By Stu Sjouwerman
Cybercriminals are increasingly using AI tools to assist in malicious activities, according to Microsoft’s latest Cyber Signals report.
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CyberheistNews Vol 15 #16 [Scary] A New Real Cash Scam Sweeps Across the U.S. Warn Your Family and Friends!

Apr 22, 2025 9:00:00 AM By Stu Sjouwerman
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China Cybercriminals Behind Toll-Themed Smishing Attacks Surge in the US and UK

Apr 18, 2025 4:32:52 PM By Stu Sjouwerman
Resecurity warns that a China-based cybercriminal gang dubbed the “Smishing Triad” is launching a wave of road toll-themed SMS phishing (smishing) attacks against users across the US and ...
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