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

Find all of Stu's books on Amazon

Phishing from a French Government Career Website

Sep 15, 2022 10:30:54 AM By Stu Sjouwerman

Attackers are exploiting a legitimate French government website to send phishing messages, according to researchers at Vade. The website, Pôle Emploi, is a career site for companies ...

[MSP News] Manage Your Multiple KnowBe4 Accounts Faster with Managed Training and Phishing Rolled Into One

Sep 15, 2022 8:00:00 AM By Stu Sjouwerman

You wanted the ability to manage both phishing and training campaigns across multiple KnowBe4 accounts, and we listened!

Cisco Attempt Attributed to Lapsus$ Group

Sep 14, 2022 12:40:18 PM By Stu Sjouwerman

Security researchers at Cisco Talos have issued an update on the cyberattack Cisco sustained earlier this year. The attack began with a phishing attack against a Cisco employee, which led ...

[HEADS UP] The Online Scams exploiting Queen Elizabeth's Death are Here

Sep 13, 2022 4:34:58 PM By Stu Sjouwerman

The Sun just reported that experts are sending a warning about online scams in relation to Queen Elizabeth's passing.

Scammer Continues Phishing From Prison

Sep 13, 2022 10:46:52 AM By Stu Sjouwerman

Dutch authorities have announced that an imprisoned scammer was running a phishing operation from his jail cell, Cybernews reports. The crook used four mobile phones to post malicious ads ...

CyberheistNews Vol 12 #37 [Eye Opener] The New Evil Proxy Phishing-as-a-Service Platform Beats MFA

Sep 13, 2022 9:30:00 AM By Stu Sjouwerman

Ransomware Gangs Improve Attack Speed and Evade Detection with New "Intermittent Encryption" Tactic

Sep 13, 2022 7:27:27 AM By Stu Sjouwerman

As ransomware gangs look for new ways to improve their execution, this relatively new encryption tactic has been gaining popularity in multiple ransomware families.

[On-Demand Webinar] Getting Compliance on Your Compliance Training

Sep 13, 2022 7:00:00 AM By Stu Sjouwerman

You might think 100% completion rates on any employee training sounds too good to be true. But, getting compliance on your compliance training is possible!

Report: 80% of Phishing Attacks Leverage Legitimate Web Infrastructure and Services

Sep 12, 2022 1:51:30 PM By Stu Sjouwerman

Threat actors are taking advantage of every free tool and service they can to improve their changes of successfully fooling security solutions, with compromised websites taking the lead.

Gaming-Related Phishing Trends

Sep 12, 2022 9:37:39 AM By Stu Sjouwerman

Researchers at Kaspersky have found that the vast majority of gaming-related malware lures are targeted at Minecraft players. Roblox came in at a distant second, and the researchers note ...

PwC: More Frequent Cyber Attacks Tops the List of Business Risk for Executives

Sep 9, 2022 8:46:40 AM By Stu Sjouwerman

New data from PwC provides insight into what aspects of the business are executives focused on, worried about, and seeing as future challenges as they look to manage business risk.

Singapore: Top Ten Scams in the First Half of 2022 Cost Over $227 Million, Scam Frequency Rises by 94%

Sep 9, 2022 8:46:03 AM By Stu Sjouwerman

Queries of reported cases to Singapore Police reveal a rise in scam costs by 59% as phishing cases double and job-related scams increase 7x from the first half of 2021.

[New Training] Give Your Employees the Know-How to Have the Tough Conversations with New Compliance Plus Training

Sep 8, 2022 11:51:00 AM By Stu Sjouwerman

We’re thrilled to announce a brand new microlearning, TV-like production quality series of compliance content now available in the Compliance Plus library.

New Phishing-as-a-Service Platform

Sep 8, 2022 8:46:47 AM By Stu Sjouwerman

Researchers at Resecurity have discovered a new Phishing-as-a-Service (PhaaS) platform called “EvilProxy” that’s being offered on the dark web. EvilProxy is designed to target accounts on ...

[On-Demand Webinar] Combatting Rogue URL Tricks: Quickly Identify and Investigate the Latest Phishing Attacks

Sep 7, 2022 11:41:56 AM By Stu Sjouwerman

Everyone knows you shouldn’t click phishy links. But are your end users prepared to quickly identify the trickiest tactics bad actors use before it’s too late? Probably not.

Spear Phishing Campaign Targets Financial Institutions in African Countries

Sep 7, 2022 11:00:00 AM By Stu Sjouwerman

Researchers at Check Point have discovered a spear phishing campaign dubbed “DangerousSavanna” that's targeting financial entities in at least five African countries.

CyberheistNews Vol 12 #36 [Eye Opener] So, Your MFA Is Phishable, What to Do Next?

Sep 7, 2022 9:15:00 AM By Stu Sjouwerman

1-Time Passcodes Are a Corporate Liability. Department of Homeland Security Fraud Warning. Email not displaying? | View Knowbe4 Blog CyberheistNews Vol 12 #36 | September 7th, 2022 [Eye ...

Register for KB4-CON EMEA 2022 Now!

Sep 6, 2022 11:31:18 AM By Stu Sjouwerman

Once again we are hosting a special KB4-CON Virtual Summit for all of our customers and partners in Europe, the Middle East, and Africa with content tailored to your region! Last year’s ...

REvil Springs Back to Life and Hits a Fortune 500 Company

Sep 6, 2022 11:00:00 AM By Stu Sjouwerman

The previously-thought defunct cybercriminal gang appears to not only reopened for business but has re-established themselves as a major threat by touting 400GBs of stolen data.

The Number of Phishing Attack Cases in Japan Hit an All-Time High

Sep 6, 2022 10:30:00 AM By Stu Sjouwerman

The number of reported cases of phishing to Japan’s Council of Anti-Phishing reached over 100,000 in July, just as a notice of scams impersonating Japan’s National Tax Agency is released.

Security Awareness Training Blog

View Topics