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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

Chief Executive Officer & President

Stu Sjouwerman (pronounced “shower-man”) is the founder and CEO 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

New Wave of Hospitality Phishing Attacks: Compromise User Credentials, Then Go Phish

Sep 25, 2023 9:54:21 AM By Stu Sjouwerman
The hospitality sector is seeing a new wave of phishing attacks. These new attacks are more plausible because they begin with compromised credentials and move to fraudulent emails sent ...
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Organizations Starting to Understand the Impact of Ransomware, But Their Efforts Not Enough to Overcome Infostealer Malware

Sep 25, 2023 9:53:35 AM By Stu Sjouwerman
Recent findings in a SpyCloud report shows companies are starting to recognize and shift their priorities to defend against ransomware attacks, but the use of infostealer malware still ...
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[NEW RELEASE]: Unleash the Power of Cybersecurity Education with KnowBe4’s 'Hack-A-Cat' on Roblox

Sep 25, 2023 8:30:00 AM By Stu Sjouwerman
What do cheese, fish and cybersecurity training have in common? Each of these comes together to help keep kids informed about cyber threats and cybersecurity best practices with KnowBe4’s ...
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Cybercriminals Use Google Looker Studio to Host Crypto Scam to Steal Money and Credentials

Sep 25, 2023 8:15:00 AM By Stu Sjouwerman
Security researchers at Check Point have discovered yet another attack that leverages legitimate web applications to host attacks in order to bypass security scanners.
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Tools From Cybercrime Software Vendor W3LL Found to be Behind the Compromise of 56K Microsoft 365 Accounts

Sep 25, 2023 8:00:00 AM By Stu Sjouwerman
A new report uncovers the scope and sophistication found in just one cybercrime vendor’s business that has aided credential harvesting and impersonation attacks for the last 6 years.
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MFA Defenses Fall Victim to New Phishing-As-A-Service Offerings

Sep 25, 2023 8:00:00 AM By Stu Sjouwerman
ZeroFox warns that phishing-as-a-service (PhaaS) offerings are increasingly including features to bypass multi-factor authentication.
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[YIKES] AI Now Enables Subliminal Image "Inception"

Sep 23, 2023 8:45:37 AM By Stu Sjouwerman
Seen Christopher Nolan's movie Inception? If you haven't, it's about a thief who is given the task of planting an idea into the mind of a CEO. The technology of implanting ideas is ...
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Chinese Spies Infected Dozens of Networks With Thumb Drive Malware

Sep 21, 2023 3:46:21 PM By Stu Sjouwerman
WIRED just published an article that made me both disappointed and surprised at the same time. Security researchers found USB-based Sogu espionage malware spreading within African ...
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New SEC Rules Add Challenges in Uncertain Cyber Insurance Market

Sep 21, 2023 2:54:40 PM By Stu Sjouwerman
[BUDGET AMMO] Jeremy King is a partner at Olshan Frome Wolosky. He wrote an article for Bloomberg where he analyzed cyber risk management issues that companies should prioritize in ...
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Vanishing Act: The Secret Weapon Cybercriminals Use in Your Inbox

Sep 21, 2023 11:57:30 AM By Stu Sjouwerman
Researchers at Barracuda describe how attackers use legitimate email inbox rules to control compromised accounts and evade detection.
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Scam-as-a-Service Classiscam Expands Impersonation in Attacks to Include Over 250 Brands

Sep 20, 2023 4:40:49 PM By Stu Sjouwerman
Now entering its third year in business, the phishing platform, Classicam, represents the highest evolution of an “as a service” cybercrime, aiding more than 1000 attack groups worldwide.
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USPS Customers Become the Latest Target of the Chinese Smishing Group Called “Smishing Triad”

Sep 20, 2023 4:40:46 PM By Stu Sjouwerman
A new SMS-based phishing attack uses a smishing kit-as-a-service to impersonate the U.S. Postal Service.
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Tighter Policies Mixed with Higher Costs Are Creating a Cyber Insurance Gap

Sep 20, 2023 4:40:42 PM By Stu Sjouwerman
New data on the state of cyber insurance shows that it’s becoming more difficult to get a policy, and the organizations obtaining one share that circumstances could cause denial of claims.
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TikTok Impersonations of Elon Musk Scam Victims of Their Bitcoin

Sep 20, 2023 9:07:37 AM By Stu Sjouwerman
There’s been a surge of Elon Musk-themed cryptocurrency scams on TikTok, BleepingComputer reports. The scammers inform the victims that they can claim their reward after spending a small ...
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Data Breach Costs Rise, But Cybersecurity Pros Still Take Risks

Sep 20, 2023 8:10:03 AM By Stu Sjouwerman
The latest data from IBM shows that the average cost of a data breach has gone up by 2% to a whopping $4.45 million. You would think that in the cybersecurity industry, people would be ...
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China's Cyber Offensive: FBI Director Reveals Unmatched Scale of Hacking Operations

Sep 19, 2023 2:40:38 PM By Stu Sjouwerman
WASHINGTON – In a startling revelation, FBI Director Chris Wray disclosed at a recent conference that China's cyber espionage capabilities are so extensive, they bigger than the efforts ...
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Romance Scams That Run Your Crypto Wallet Dry

Sep 19, 2023 9:31:19 AM By Stu Sjouwerman
Scammers are using dating sites to lure victims into phony cryptocurrency investment schemes, according to Sean Gallagher at Sophos.
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CyberheistNews Vol 13 #38 No Dice for MGM Vegas As It Battles Ransomware Attack Downtime

Sep 19, 2023 9:00:00 AM By Stu Sjouwerman
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The International Joint Commission Falls Victim to Ransomware Attack; 80GB Of Data Stolen

Sep 18, 2023 12:04:34 PM By Stu Sjouwerman
The International Joint Commission (ICJ), an organization that handles water issues along the Canada–United States border, was hit by a ransomware attack, the Register reports.
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[New PhishER Feature] Immediately Add User-Reported Email Threats to Your M365 Blocklist

Sep 18, 2023 10:43:12 AM By Stu Sjouwerman
Now there's a super easy way to keep malicious emails away from all your users through the power of the KnowBe4 PhishER platform!
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