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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QBot is Back With New Phishing Tricks

Aug 31, 2020 8:22:24 AM By Stu Sjouwerman

Researchers at Check Point warn that the QBot banking Trojan now has the ability to hijack email threads on infected devices and send malicious emails to the victim’s contacts. The ...

The U.K. is Under Massive Cyberattack and They Are Nowhere Near Prepared

Aug 28, 2020 4:26:35 PM By Stu Sjouwerman

New insights into the cybersecurity readiness of U.K. organizations shows cyberattacks are plentiful and costly, and there aren’t enough cybersecurity pros to help.

Funding for startup U.K. Cybersecurity Firms has Increased by 940% Since Lockdown

Aug 28, 2020 4:22:11 PM By Stu Sjouwerman

Yes, 940%. The demand for cybersecurity has risen so much since COVID, that the U.K. is seeing a new cybersecurity business registered every week and massive job vacancies.

Australian Financial Services Company is Sued for Repeatedly Being Hacked… and Doing Zero About It

Aug 27, 2020 2:12:10 PM By Stu Sjouwerman

The Australian Securities and Investments Commission (ASIC) is suing RI Advice Group for being hacked multiple times over a year’s time that includes 155 hours of undetected hacker ...

One-Fifth of Organizations Have Experienced a Security Breach Due to Their Remote Workforce

Aug 27, 2020 2:07:40 PM By Stu Sjouwerman

Having a remote workforce has been keeping organizations running, but new data puts a spotlight on the realities of what preparations were taken and whether organizations are truly secure.

New Lazarus Spearphishing Attack on Crypto Organizations Uses a LinkedIn Job Posting as its Front

Aug 27, 2020 2:03:45 PM By Stu Sjouwerman

What better way to gain complete control over a crypto organization’s network that to target their sysadmin with a Job Posting and then spear phish them?

Tesla and the FBI just prevented a $1 million ransomware hack at the Nevada Gigafactory

Aug 27, 2020 10:01:34 AM By Stu Sjouwerman

Fred Lambert at Electrek just reported on a story we published Aug 26th, and he reveals who was targeted: "Tesla and the FBI worked together to prevent a group of ransomware hackers from ...

The Bureau Explains How Tech Support Scams Work

Aug 27, 2020 8:51:03 AM By Stu Sjouwerman

Tech support scams function like organized businesses and consist of various criminals fulfilling different roles, according to court documents obtained by ZDNet. The documents contain ...

Russian Charged With Trying to Recruit Employee to Plant Ransomware in US Company

Aug 26, 2020 4:03:17 PM By Stu Sjouwerman

Michael Kan at PC Mag reported: "According to the FBI, Egor Igorevich Kriuchkov promised to pay as much as $1 million to the employee to help his shadowy group steal data from a ...

Recent Phishing Scam Sends Uncertain Employment and Bogus Layoff Notices

Aug 26, 2020 8:29:00 AM By Stu Sjouwerman

Scammers have been exploiting people’s fears by posing as HR employees and sending emails informing recipients that they’ve been laid off, according to Kaspersky’s spam and phishing ...

What happens when you type in a URL in an address bar in a browser?

Aug 25, 2020 11:20:38 AM By Stu Sjouwerman

I saw this post on twitter with a fun and educational infographic that shows it's quite a complicated affair where lots of things can go wrong. Here is the infographic, and if you click ...

Watch Out! Cybersecurity and Infrastructure Security Agency Warn of New VBA Attack Designed to Deploy KONNI Remote Administration Tool

Aug 25, 2020 10:42:10 AM By Stu Sjouwerman

A new alert from CISA outlines just how dangerous and intrusive the KONNI malware is in organizations that fall for phishing attacks using Word attachments with malicious VBA code.

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Stu Sjouwerman

Books

Recent Posts

QBot is Back With New Phishing Tricks

The U.K. is Under Massive Cyberattack and They Are Nowhere Near Prepared

Funding for startup U.K. Cybersecurity Firms has Increased by 940% Since Lockdown

Australian Financial Services Company is Sued for Repeatedly Being Hacked… and Doing Zero About It

One-Fifth of Organizations Have Experienced a Security Breach Due to Their Remote Workforce

New Lazarus Spearphishing Attack on Crypto Organizations Uses a LinkedIn Job Posting as its Front

Tesla and the FBI just prevented a $1 million ransomware hack at the Nevada Gigafactory

The Bureau Explains How Tech Support Scams Work

Russian Charged With Trying to Recruit Employee to Plant Ransomware in US Company

Recent Phishing Scam Sends Uncertain Employment and Bogus Layoff Notices

What happens when you type in a URL in an address bar in a browser?

Watch Out! Cybersecurity and Infrastructure Security Agency Warn of New VBA Attack Designed to Deploy KONNI Remote Administration Tool

[Heads Up] Weaponized Disinformation Campaigns Skyrocket; KnowBe4 Releases New Spot & Stop DisInfo Training Module

New Vishing Attacks Pretend to Be Internal IT to Scam Users from Financial Firms Out of Their Credentials

CyberheistNews Vol 10 #35 [Heads Up] Watch Out for OAuth Phishing Attacks and How You Can Stay Safe

[HEADS UP] There's No Beta for Cyberpunk 2077

Phishing Summit - Mitigation, Forensics and Eye-opening Phishing Research

Conversations with a Phisher

[Heads Up] DarkSide: Sophisticated New Customized Ransomware Strain Demands Millions Of Dollars

Ukrainian Gang Responsible for Laundering More Than $42 Million Arrested as Part of Operation “Bulletproof Exchanger”

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