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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

Phishing Up 76% – Deepfake Attacks Surge: Is Your Org the Next Target?

Feb 4, 2025 3:33:33 PM By Stu Sjouwerman
Nearly half (46%) of businesses observed an increase in deepfakes and generative AI-related fraud last year, a new report from AuthenticID has found.
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CyberheistNews [Vol 15 #05 Eye Opener] Is DeepSeek The Next Threat in Social Engineering?

Feb 4, 2025 9:00:00 AM By Stu Sjouwerman
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Warning: Phishing Campaign Targets Germany with New Malware

Feb 3, 2025 4:25:21 PM By Stu Sjouwerman
Researchers at Cisco Talos warn that a new phishing campaign is targeting users in Germany and Poland in an attempt to deliver several strains of malware, including a new backdoor dubbed ...
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Your KnowBe4 Compliance Plus Fresh Content Updates from January 2025

Feb 3, 2025 8:00:00 AM By Stu Sjouwerman
Check out the January 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 January 2025

Jan 31, 2025 8:00:00 AM By Stu Sjouwerman
Check out the 25 new pieces of training content added in January, alongside the always fresh content update highlights, new features and events.
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Beware: Mobile Phishing Mimicking the USPS Is On the Rise

Jan 30, 2025 4:28:17 PM By Stu Sjouwerman
Researchers at Zimperium warn that a large phishing campaign is impersonating the US Postal Service (USPS) to target mobile devices with malicious PDF files.
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Microsoft is Still the Most Commonly Impersonated Brand in Phishing Attacks

Jan 28, 2025 4:05:32 PM By Stu Sjouwerman
Microsoft, Apple, and Google were the most commonly impersonated brands in phishing attacks last quarter, according to researchers at Check Point.
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CyberheistNews Vol 15 #04 [HEADS UP] Bad Actors Abuse Google Translate to Craft Phishing Attacks

Jan 28, 2025 9:31:13 AM By Stu Sjouwerman
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[Eye Opener] Is DeepSeek The Next Threat in Social Engineering?

Jan 28, 2025 7:00:04 AM By Stu Sjouwerman
AI is advancing at lightning speed, but it’s also raising some big questions, especially when it comes to security. The latest AI making headlines is DeepSeek, a Chinese startup that’s ...
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Beware of Toll Scam Texts: How Cybercriminals are Targeting U.S. Drivers

Jan 27, 2025 3:59:53 PM By Stu Sjouwerman
Drivers across the U.S. are being bombarded with fraudulent text messages claiming to come from toll operators like E-ZPass.
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Nearly Three-Quarters of UK Education Orgs Have Sustained Cyberattacks

Jan 27, 2025 3:58:39 PM By Stu Sjouwerman
73% of educational institutions in the UK have sustained at least one cyberattack or breach in the past five years, according to researchers at ESET.
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Phishing is the Top Security Threat For Smartphone Users

Jan 24, 2025 8:26:27 AM By Stu Sjouwerman
Phishing attacks are the most common security issue for smartphone users, according to a new study by Omdia.
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84% of Healthcare Organizations Sustained Cyberattacks Last Year

Jan 24, 2025 8:25:59 AM By Stu Sjouwerman
A new survey by cybersecurity vendor Netwrix found that 84% of healthcare organizations spotted a cyberattack in the past twelve months, with phishing attacks accounting for 63% of these ...
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4 Ways to Mature Your Human Risk Management Program

Jan 22, 2025 9:54:24 AM By Stu Sjouwerman
Human risk management (HRM) is now the primary approach to addressing the ongoing need for strong security cultures in organizations of all sizes. HRM focuses on more than just security ...
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Russian Spear-Phishing Campaign Targets WhatsApp Accounts

Jan 22, 2025 9:53:44 AM By Stu Sjouwerman
The Russian threat actor “Star Blizzard” has launched a spear-phishing campaign attempting to compromise WhatsApp accounts, according to researchers at Microsoft. The operation targets ...
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Malvertising Campaign Abuses Google Ads to Target Advertisers

Jan 22, 2025 9:53:14 AM By Stu Sjouwerman
Researchers at Malwarebytes are tracking a major malvertising campaign that’s abusing Google Ads to target individuals and businesses interested in advertising.
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CyberheistNews Vol 15 #03 Waging War on Explicit Deepfakes. The Real Problem Behind the UK Crackdown.

Jan 21, 2025 9:00:00 AM By Stu Sjouwerman
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Threat Actors Abuse Google Translate to Craft Phishing Links

Jan 20, 2025 8:03:56 AM By Stu Sjouwerman
Threat actors are abusing Google Translate’s redirect feature to craft phishing links that appear to belong to Google, according to researchers at Abnormal Security.
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Phishing Campaign Attempts to Bypass iOS Protections

Jan 20, 2025 8:03:20 AM By Stu Sjouwerman
An SMS phishing (smishing) campaign is attempting to trick Apple device users into disabling measures designed to protect them against malicious links, BleepingComputer reports.
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Your KnowBe4 Compliance Plus Fresh Content Updates from December 2024

Jan 17, 2025 9:00:00 AM By Stu Sjouwerman
Check out the December updates in Compliance Plus so you can stay on top of featured compliance training content.
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