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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

Less Than 40% of Asia-Pacific Organizations Are Confident to Stop Cyber Threats as 83% Experience At Least One Ransomware Attack a Year

Jun 20, 2022 10:10:51 AM By Stu Sjouwerman
With exactly half of cybersecurity incidents caused by organizations having an outdated security posture, the ability to stop breaches involves some re-investment in measures that really ...
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Anna Collard, SVP Content Strategy & Evangelist, KnowBe4 Africa Has Been Acknowledged as a Global Influencer in Cyber

Jun 16, 2022 9:54:29 AM By Stu Sjouwerman
IFSEC Global recently acknowledged our very own Anna Collard as a IFSEC Global Influencer in Security for 2022! She was one of the few nominated by a panel of highly respected judges, and ...
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A Closer Look at HR Scams: Does Niceness Have a Downside?

Jun 16, 2022 8:43:51 AM By Stu Sjouwerman
Threat actors are targeting HR employees who are looking to hire new people, according to Lisa Vaas at Contrast Security. As part of their job, HR employees frequently interact with ...
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Spear Phishing Campaign Targets Former Israeli Officials

Jun 15, 2022 9:20:03 AM By Stu Sjouwerman
An Iranian threat actor is conducting a spear phishing operation against Israeli officials, according to researchers at Check Point. The targets have included the former Foreign Minister ...
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CyberheistNews Vol 12 #24 [Heads Up] What About the Risks of Your Password Manager?

Jun 14, 2022 9:52:59 AM By Stu Sjouwerman
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Monkeypox Scams Continue to Increase

Jun 14, 2022 9:19:28 AM By Stu Sjouwerman
Attackers are taking advantage of the current news about monkeypox to trick people into clicking on malicious links, Pickr reports. Researchers at Mimecast have spotted a phishing ...
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Facebook Phishing Scam Steals Millions of Credentials

Jun 13, 2022 8:32:18 AM By Stu Sjouwerman
Researchers at PIXM have uncovered a major Facebook Messenger phishing scam that’s “potentially impacted hundreds of millions of Facebook users.” More than eight million people have ...
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Approaching Ransomware Victims Privately

Jun 9, 2022 12:02:12 PM By Stu Sjouwerman
Researchers at KELA warn that ransomware gangs are increasingly refraining from mentioning their victims’ names after the initial attack, giving the victims a chance to pay up before the ...
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Karakurt Adds Irritating Phone Calls to its Crimes

Jun 8, 2022 9:23:51 AM By Stu Sjouwerman
The US Cybersecurity and Infrastructure Security Agency (CISA) and its partners have issued a joint alert on Karakurt, a data theft extortion group that harasses victims’ employees, ...
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40% of CSOs say Their Organization is Not Prepared for Cyberattacks as Phishing is the Top Likely Cause of Breaches

Jun 7, 2022 7:17:38 PM By Stu Sjouwerman
A new survey of executives sheds light on how well organizations fared with cyberattacks in the last 12 month as well as what attack vectors are going to increase future breaches.
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Old Dog, New Trick: Hackers Use Logons in URLs to Bypass Email Scanners

Jun 7, 2022 7:17:26 PM By Stu Sjouwerman
A new phishing method uses a decades-old special URL format to take advantage of how security solutions and email clients interpret URLs, tricking victims into clicking.
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“Five Eyes” Nations Cybersecurity Authorities Issue Warning to MSPs of Stepped-Up Cyberattacks

Jun 7, 2022 7:17:12 PM By Stu Sjouwerman
The world’s five leading cybersecurity authorities have again issued a joint report about an increase in malicious cyber activity targeting managed service providers they expect to ...
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The Good, the Bad, and the Necessary State of Cyber Insurance

Jun 7, 2022 7:16:59 PM By Stu Sjouwerman
New data from security vendor Sophos shows that while the presence of cyber insurance coverage has increased, it’s the experiencing of attacks that’s driving the need.
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Phishing Attacks Reach an All-Time High, More Than Tripling Attacks in Early 2022

Jun 7, 2022 7:16:28 PM By Stu Sjouwerman
Reaching more than 1 million attacks in a single quarter for the first time, new data on phishing attacks in Q1 of 2022 show an emphasis on impersonation and credential theft.
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CyberheistNews Vol 12 #23 [Heads Up] Our Global Ransomware Damage Will Be More Than 265 Billion by 2031

Jun 7, 2022 9:11:51 AM By Stu Sjouwerman
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FTC Warns that Scammers are Turning to Cryptocurrencies

Jun 7, 2022 8:44:38 AM By Stu Sjouwerman
The US Federal Trade Commission (FTC) has warned that people have reported losing over $1 billion in crypto to scams since the beginning of 2021. The vast majority of these losses were ...
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What is a Security Tech Stack?

Jun 7, 2022 8:27:31 AM By Stu Sjouwerman
What is a security tech stack? This is a bare-bones quick overview.
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Homographic Domain Name Phishing Tactics

Jun 6, 2022 1:00:22 PM By Stu Sjouwerman
Bitdefender warns that Microsoft Office applications are vulnerable to phishing tactics that exploit international domain names (IDNs). Affected applications include Outlook, Word, Excel, ...
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[On-Demand Webinar] Understanding the Threat of NFT and Cryptocurrency Cyber Attacks and How to Defend Against Them

Jun 6, 2022 11:39:00 AM By Stu Sjouwerman
A growing number of organizations worldwide are utilizing cryptocurrency for a host of investment, operational, and transactional purposes. Seemingly overnight, technologies like ...
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Your KnowBe4 Fresh Content Updates from May 2022

Jun 3, 2022 8:09:30 AM By Stu Sjouwerman
Check out the 26 new pieces of training content added in April, alongside the always fresh content update highlights and new features.
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