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

Cyberheist E-Book

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Organizations Experiencing Attacks Rises by 35% as Most Consider Themselves Cyber-Novices

Oct 14, 2019 7:00:00 AM By Stu Sjouwerman

An increase in attacks should equate to a rise in organizational cyber-preparedness. But according to new research from U.K. cyber insurer Hiscox, organizations simply aren’t ready.

U.S. Organizations Involved with Nuclear Deterrence are the Target of North Korean Phishing Attacks

Oct 14, 2019 7:00:00 AM By Stu Sjouwerman

Using some very sophisticated methods, the Kimsuky group is believed to be behind a spear phishing campaign aimed at stealing U.S. secrets.

[PODCAST] Understanding Social Engineering and Maintaining Healthy Paranoia

Oct 11, 2019 11:05:37 AM By Stu Sjouwerman

Recorded Future's Guest today was Rosa Smothers, senior vice president of cyber operations at KnowBe4, where she leads KnowBe4’s federal practice efforts, including providing ...

Virtual Hard Disk Images Containing Malware Are Ignored by Windows and Antivirus Engines

Oct 11, 2019 7:19:53 AM By Stu Sjouwerman

This disturbing find by a CERT researcher demonstrates how attackers can encode malicious files within a Virtual Hard Disk (VHD) image that acts in the same way as a ZIP archive.

Universities Worldwide are the Target of Phishing Attacks by a Hacking Group Aimed at Stealing Research and Intellectual Property

Oct 11, 2019 7:17:19 AM By Stu Sjouwerman

The Iranian hacker group dubbed Colbalt Dickens has hit over 60 universities around the globe attempting to steal credentials to provide access to sensitive data.

Many in Utilities Sector Expect Attacks on Critical Infrastructure: Survey

Oct 11, 2019 7:00:00 AM By Stu Sjouwerman

Ed Kovacs at SecurityWeek reported on something that is one of the few things that keep me "awake at night":

"Staggering" Increase in Business Email Compromise--aka CEO Fraud

Oct 11, 2019 7:00:00 AM By Stu Sjouwerman

Mimecast’s quarterly Email Security Risk Assessment (ESRA) identified millions of dangerous emails making it through security filters, including a 269% increase in business email ...

Fake News and Deepfakes: Harmless Fun or the Future of Fraud?

Oct 10, 2019 12:35:09 PM By Stu Sjouwerman

We have all seen them. Fake news articles that get passed off as legit sources. Misleading memes. Entertaining videos that swap people’s faces. But what if these deception techniques were ...

Ransomware Still Plagues Organizations Despite Feeling Prepared for an Attack

Oct 10, 2019 7:00:00 AM By Stu Sjouwerman

New data from security vendor AlienVault shines a light on the real state of ransomware, and how concerned IT organizations are with preparing for and dealing with an attack.

Cybercriminals Leverage the U.K.’s Strong Customer Authentication Requirement in a New String of Phishing Attacks

Oct 10, 2019 7:00:00 AM By Stu Sjouwerman

Attackers are taking advantage of the requirement to secure online shopping and banking transactions processed within the U.K. to gather personal details of consumers and users alike.

Brand-New: Multi-Factor Authentication Security Assessment Tool Helps Assess Your Organization's MFA Vulnerabilities

Oct 9, 2019 9:52:00 AM By Stu Sjouwerman

You already know that using multi-factor authentication (MFA) can decrease your cybersecurity risk, and certainly is a much stronger defense compared to using traditional passwords alone. ...

Chinese State-Sponsored Phishing

Oct 9, 2019 7:15:59 AM By Stu Sjouwerman

A sophisticated threat group is going after a variety of industries using spearphishing and an arsenal of malware, according to Nalani Fraser and Fred Plan from FireEye. Fraser and Plan ...

Is Cyberinsurance a Reason for the Rise in Ransomware Attacks?

Oct 9, 2019 7:00:36 AM By Stu Sjouwerman

Are cybercriminals counting on the victim’s simple cost-to-benefit decision to have their cyber-insurer pay the ransom? And, if so, are they targeting companies with cyberinsurance?

Now here is something new! What The Heck Is War Shipping?

Oct 9, 2019 7:00:00 AM By Stu Sjouwerman

Our friends at Malwarebytes have a great article about this written by Pieter Arntz. This is a cross-post with grateful acknowledgement! :-D

The Massive Data Breach Of Australia's Largest University Began With A Spear Phishing Attack

Oct 9, 2019 7:00:00 AM By Stu Sjouwerman

Casbaneiro is the Hook in Alt-Coin Phishing

Oct 9, 2019 7:00:00 AM By Stu Sjouwerman

The Casbaneiro banking Trojan is going after Latin American victims’ cryptocurrency, Verdict reports. It’s being distributed via phishing emails which trick victims into downloading a ...

Fall LinkedIn Job Postings Are a Prime Vehicle for Job Scams, Cyber Attacks

Oct 9, 2019 6:56:31 AM By Stu Sjouwerman

LinkedIn says the Fall hiring season is very hot right now. With more than 20 million jobs posted, LinkedIn is the perfect way for scammers to trick users into becoming victims.

CyberheistNews Vol 9 #41 [Heads up] FBI Warns About Attacks That Bypass Your Multi-Factor Authentication (MFA)

Oct 8, 2019 9:52:22 AM By Stu Sjouwerman

[Heads up] FBI Warns About Attacks That Bypass Your Multi-factor Authentication (MFA)

Oct 8, 2019 7:01:47 AM By Stu Sjouwerman

Last month, the FBI sent a special alert called a Private Industry Notification (PIN) to industry partners about the rising threat of attacks that bypass their multi-factor authentication ...

Ransomware is Having Its Best Year Ever

Oct 8, 2019 7:00:00 AM By Stu Sjouwerman

The recent rash of successful ransomware attacks against municipalities, state and local government, and school districts is bad for organizations and great for cybercriminals.

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Stu Sjouwerman

Books

Recent Posts

Organizations Experiencing Attacks Rises by 35% as Most Consider Themselves Cyber-Novices

U.S. Organizations Involved with Nuclear Deterrence are the Target of North Korean Phishing Attacks

[PODCAST] Understanding Social Engineering and Maintaining Healthy Paranoia

Virtual Hard Disk Images Containing Malware Are Ignored by Windows and Antivirus Engines

Universities Worldwide are the Target of Phishing Attacks by a Hacking Group Aimed at Stealing Research and Intellectual Property

Many in Utilities Sector Expect Attacks on Critical Infrastructure: Survey

"Staggering" Increase in Business Email Compromise--aka CEO Fraud

Fake News and Deepfakes: Harmless Fun or the Future of Fraud?

Ransomware Still Plagues Organizations Despite Feeling Prepared for an Attack

Cybercriminals Leverage the U.K.’s Strong Customer Authentication Requirement in a New String of Phishing Attacks

Brand-New: Multi-Factor Authentication Security Assessment Tool Helps Assess Your Organization's MFA Vulnerabilities

Chinese State-Sponsored Phishing

Is Cyberinsurance a Reason for the Rise in Ransomware Attacks?

Now here is something new! What The Heck Is War Shipping?

The Massive Data Breach Of Australia's Largest University Began With A Spear Phishing Attack

Casbaneiro is the Hook in Alt-Coin Phishing

Fall LinkedIn Job Postings Are a Prime Vehicle for Job Scams, Cyber Attacks

CyberheistNews Vol 9 #41 [Heads up] FBI Warns About Attacks That Bypass Your Multi-Factor Authentication (MFA)

[Heads up] FBI Warns About Attacks That Bypass Your Multi-factor Authentication (MFA)

Ransomware is Having Its Best Year Ever

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