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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

Remote Work Isn’t Good for Corporate Security (Part 1): 6 in 10 Employee’s Online Accounts Have Been Compromised Since Working Remotely

Jun 4, 2020 8:20:45 AM By Stu Sjouwerman
Working from home has its advantages. But, according to new data, one of them isn’t keeping the organization secure.
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COVID-19 Tax Refund Phishing Attacks Offering Fake U.K. Government Grants

Jun 3, 2020 9:27:48 AM By Stu Sjouwerman
Researchers at Forcepoint describe an unusual phishing attempt that purported to come from the UK’s tax office, HM Revenue and Customs (HMRC). The email itself was clearly a phishing ...
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Ransomware Gangs Team Up To Form Extortion Cartel

Jun 3, 2020 9:25:20 AM By Stu Sjouwerman
Today, BleepingComputer was told by cyber intelligence firm KeLa that the Maze operators added the information and files for an international architectural firm to their data leak site.
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[Heads Up] The REvil Ransomware Gang Is Now *Auctioning Off* Their Victim Data

Jun 2, 2020 4:39:34 PM By Stu Sjouwerman
Intrepid investigative Reporter Brian Krebs had the news first. "The criminal group behind the REvil ransomware enterprise has begun auctioning off sensitive data stolen from companies ...
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CyberheistNews Vol 10 #23 [Eye-Opener] More Than Half of Your Employees Cut Security Corners When They Work Remote

Jun 2, 2020 9:25:46 AM By Stu Sjouwerman
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Phishing for Supermarket Deliveries

Jun 2, 2020 9:00:23 AM By Stu Sjouwerman
Scammers are exploiting the increased demand for online shopping by setting up spoofed supermarket websites, Teiss reports. Researchers at Mimecast recently found thirty websites ...
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The Latest Ransomware Attacks Can Require a Data Breach Notification

Jun 2, 2020 8:46:46 AM By Stu Sjouwerman
Ransomware variants shifting tactics to include extortion may be cause for organizations to treat them as data breaches and, therefore, quickly notify affected parties.
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Human Performance as a Risk Factor

Jun 1, 2020 8:25:33 AM By Stu Sjouwerman
Most organizations don’t place enough focus on the human elements of cybersecurity, according to Stephen A. Wilson, Dean Hamilton, and Scott Stallbaum from consulting firm Wilson Perumal ...
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Supreme Court “Summons” is the Latest Phishing Attack Aimed at Stealing Your Microsoft 365 Credentials

May 30, 2020 8:31:22 AM By Stu Sjouwerman
Even the Supreme Court isn’t safe from brand impersonation in this scam intent on getting victims to click on a link to a supposed subpoena to attend a hearing.
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Verizon: Phishing is the Attack Vector Most Often Seen in Data Breaches

May 30, 2020 8:28:10 AM By Stu Sjouwerman
This year’s much-anticipated Verizon Data Breach Investigations Report sheds some light on how cybercriminals use phishing to achieve their goal of stealing data.
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EasyJet Becomes the Latest Victim of Data Breach Impacting 9 Million Customers

May 30, 2020 8:25:32 AM By Stu Sjouwerman
In an apparent attack intent on stealing intellectual property, EasyJet announced that their customer’s personal data had been “accessed” as part of the attack.
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State Unemployment Programs Are the Latest Victim of Massive Fraud

May 30, 2020 8:22:09 AM By Stu Sjouwerman
Leveraging PII from victims in Washington, North Carolina, Massachusetts, Rhode Island, Oklahoma, Wyoming and Florida, scammers from Nigeria are filing fraudulent unemployment claims.
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Netwalker Ransomware Adopts an Affiliate Model to Help Increase Attacks and Profits

May 30, 2020 8:08:43 AM By Stu Sjouwerman
The ransomware formerly known as Mailto has taken a page from traditional software vendors and rebranded itself with a new affiliate-based go-to-market strategy.
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[Eye-Opener] More Than Half Of Your Employees Cut Security Corners When They Work Remote

May 29, 2020 1:18:20 PM By Stu Sjouwerman
More than half of your employees are cutting corners with regards to cybersecurity while working from home, putting your organisation at risk. The coronavirus pandemic has forced all of ...
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What to do About BEC?

May 28, 2020 8:23:39 AM By Stu Sjouwerman
Funds transfer fraud, also known as business email compromise (BEC), is a much more widespread problem than it seems, according to lawyers at Ice Miller LLP. The attorneys believe this ...
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[Heads Up] Ransomware Damage Skyrockets As Ransoms Grew 14 Times In Just 12 Months

May 27, 2020 11:25:48 AM By Stu Sjouwerman
Last year was highly profitable for ransomware actors but with the prices we've seen recently, 2020 is likely to surpass it as actors continue to target large companies in key industries. ...
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Beware of Phony LogMeIn Security Updates

May 27, 2020 9:32:29 AM By Stu Sjouwerman
Researchers at Abnormal Security warn that a phishing campaign is trying to steal LogMeIn remote desktop credentials. The attackers are sending phishing emails that purport to come from ...
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CyberheistNews Vol 10 #22 [Scam of the Week] Microsoft Warns to Look out for This Massive Covid-19 Excel Phishing Attack

May 26, 2020 9:59:22 AM By Stu Sjouwerman
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Phishing Campaigns Using Google Firebase Storage

May 26, 2020 8:31:52 AM By Stu Sjouwerman
Scammers are hosting phishing pages on Google Firebase Storage to bypass email security filters, Threatpost reports. Firebase is a Google-owned application development platform that ...
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[Scam Of The Week] Microsoft Warns To Look Out for This Massive Covid-19 Excel Phishing Attack

May 23, 2020 12:34:45 PM By Stu Sjouwerman
Microsoft this week warned about a massive phishing attack that started on May 12. The campaign sends emails that look like they are from the "Johns Hopkins Center", and they have an ...
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