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

[HEADS UP] Recent Phishing Attack in Germany Hits Coronavirus Task Force

Jun 9, 2020 11:28:26 AM By Stu Sjouwerman

An ongoing phishing attack has been targeting executives of a company working to provide the German coronavirus task force with protective gear. The company is multinational and more than ...

CyberheistNews Vol 10 #24 [Heads Up] Remote Work Isn’t Good for Corporate Security. 30% of Organizations Have Been the Victim of Phishing Scams Since the Lockdown

Jun 9, 2020 9:41:58 AM By Stu Sjouwerman

The Enduring Threat of Ransomware During COVID-19

Jun 9, 2020 8:53:41 AM By Stu Sjouwerman

Ransomware attacks continue to blight organizations of all sizes and sectors. The number of incidents involving ransomware reported to Beazley Breach Response (BBR) Services in the first ...

[EXCLUSIVE] Indian Cyber Firm Spied on Investors and Politicians Across the Globe

Jun 9, 2020 8:51:41 AM By Stu Sjouwerman

A little-known Indian IT firm offered its phishing services to help clients spy on more than 10,000 email accounts over a period of seven years.

Why BEC Punches Above Its Weight

Jun 9, 2020 8:27:09 AM By Stu Sjouwerman

Business email compromise (BEC) attacks are particularly insidious because they don’t use malware payloads or malicious URLs. That’s a reminder from Evan Reiser, CEO and co-founder of ...

Hurricane Season Means Disaster-Related Scams

Jun 9, 2020 7:00:00 AM By Stu Sjouwerman

June 1 marks the official start of the 2020 Atlantic hurricane season. The Cybersecurity and Infrastructure Security Agency (CISA) warns users to remain on alert for malicious cyber ...

Security Awareness is the Biggest Security Challenge for Remote Workforces

Jun 8, 2020 11:41:03 AM By Stu Sjouwerman

As the dust from enabling employees to work remotely has settles, new data from security vendor PulseSecure highlights where remote security has been – and still is – a challenge.

Why People Don't Learn (It's Not Always Their Fault)

Jun 8, 2020 8:27:48 AM By Stu Sjouwerman

IT and security managers often fail to understand how well their employees actually absorb cybersecurity training, according to a survey from Mimecast and Forrester Consulting. The survey ...

May Content Update: Including New When You Report, We Get Stronger Video Series

Jun 5, 2020 8:00:00 AM By Stu Sjouwerman

Check out new training content added to the KnowBe4 ModStore in the month of May.

Prediction: Ransomware Attacks to Spike as Employees Return to the Office

Jun 5, 2020 7:00:00 AM By Stu Sjouwerman

Because of the nature of ransomware attacks and the mass numbers of workers at home, anti-malware vendor Emisoft believes we’re going to see a rise once work returns to normal.

[HEADS UP] Cybercriminals in Australia Harass Recipients with Abusive Transaction Descriptions on Bank Statements

Jun 4, 2020 4:59:41 PM By Stu Sjouwerman

There are bad guys in Australia that have given away money in order to use social engineering and harass people with abusive transaction descriptions that appear in online banking ...

[BEWARE] New Report on Doxxing Exposes Cybercriminal Trends

Jun 4, 2020 12:13:51 PM By Stu Sjouwerman

A new threat intelligence report on doxxing, researched by cybersecurity experts at Kivu, reveals that the majority of attacks occur in the U.S., with companies in the consumer sector ...

[HEADS UP] More Australian Companies Hit By Mespinoza/Pysa Ransomware

Jun 4, 2020 12:05:13 PM By Stu Sjouwerman

Two more Australian companies have been hit by attackers using the Mespinoza/Pysa Windows ransomware, the same malware that was used to take down the Australian money management firm ...

Excel Macros Bypass Your Filters and Slip in Malware Payloads

Jun 4, 2020 9:56:26 AM By Stu Sjouwerman

Researchers at Lastline warn that attackers are increasingly utilizing Excel 4[.]0 macros to deliver malware while avoiding detection by security products. Excel 4[.]0 (XL4) macros were ...

Combatting Rogue URL Tricks: How You Can Quickly Identify and Investigate the Latest Phishing Attacks

Jun 4, 2020 8:58:47 AM By Stu Sjouwerman

Don't click phishy links. Everyone knows that. But are your end users prepared to quickly identify today's tricky tactics being used by the bad guys? Probably not. Cybercriminals have ...

Remote Work Isn’t Good for Corporate Security (Part 2): 30% of Organizations Have Been the Victim of Phishing Scams Since the Lockdown

Jun 4, 2020 8:24:05 AM By Stu Sjouwerman

Lots of new data is now just coming out of the woodwork demonstrating some of the harsh realities of having employees work from home without proper security in place.

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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