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

NASA sees an “exponential” jump in malware attacks as personnel work from home

Apr 8, 2020 8:53:01 AM By Stu Sjouwerman

Ars Technica reports that NASA has experienced an exponential increase in malware attacks and a doubling of agency devices trying to access malicious sites in the past few days as ...

Cloud-based Business Email Compromise

Apr 8, 2020 8:27:11 AM By Stu Sjouwerman

The FBI’s Internet Crime Complaint Center (IC3) published an alert warning that criminals are exploiting cloud-based email services to carry out business email compromise (BEC) attacks. ...

March Content Update: Including Work From Home and Coronavirus Training Resources

Apr 8, 2020 7:00:00 AM By Stu Sjouwerman

Here are a few important updates to share with you from the month of March.

CyberheistNews Vol 10 #15 The Dilemma: Should You Phish Test During the COVID-19 Pandemic?

Apr 7, 2020 10:37:26 AM By Stu Sjouwerman

Phishing Trends Recap of COVID-19 Related Phishing Schemes

Apr 7, 2020 9:39:02 AM By Stu Sjouwerman

Our Chief Evangelist Strategy Officer Perry Carpenter took a bit of time and summarized the crazy month of March 2020 looking at the exponential growth of COVID-19 themed phishing attacks.

Social Distancing Elevates Both Personal and Organizational Risk

Apr 3, 2020 9:48:01 AM By Stu Sjouwerman

With many countries participating in social distancing and “shelter in place” directives, remote workers are subjecting themselves and their employer to a number of risks. Find out why.

Bad News from the (Fake) CDC: You've Got Malware

Apr 3, 2020 9:42:15 AM By Stu Sjouwerman

Malicious actors continue to probe organizations' security and defenses with malicious emails explicitly crafted to create and exploit sense of panic in the wake of the COVID-19. Over the ...

Malicious Actors Release Coronavirus Guidelines for America

Apr 3, 2020 9:40:07 AM By Stu Sjouwerman

You already knew this was going to happen. It was just a matter of waiting. Fast on the heels of the release of President Trump's "Coronavirus Guidelines for America," malicious actors ...

Organizations Say They Want Employees to Prepare for Ransomware Attacks, But Do Little in the Way of Training

Apr 3, 2020 9:37:57 AM By Stu Sjouwerman

Organizations are keenly aware of the ramifications of ransomware attacks and the need to prevent them but aren’t empowering users to prevent becoming the victim.

A new ransomware strain called 'Save the Queen’, distributes itself from your own Domain Controllers

Apr 2, 2020 1:47:56 PM By Stu Sjouwerman

Sophisticated cybercriminals have continuously improved the effectiveness of ransomware attacks, according to Yaki Faitelson, co-founder and CEO of Varonis. In an article for Forbes, ...

Sextortion Email Scams Now Include Threats to Infect Victims with COVID-19

Mar 31, 2020 4:14:35 PM By Stu Sjouwerman

In what may be either a moment of brilliance or desperation, scammers are attempting to use coronavirus infection threats as a means of further convincing victims to pay up.

New Potential Phishing Scam Begins with A Phone Call

Mar 31, 2020 4:10:33 PM By Stu Sjouwerman

A recent suspicious phone call was brought to our attention. It looks to be the beginning of a phishing campaign and demonstrates the lengths cybercriminals will go to in order to ensure ...

Trends in Phishing, as Seen From a Mountain View

Mar 31, 2020 8:31:06 AM By Stu Sjouwerman

Researchers from Google’s Threat Analysis Group (TAG) released details on recent state-sponsored phishing campaigns from around the world. The researchers said that Google’s phishing ...

CyberheistNews Vol 10 #14 [DON'T HIT THE PANIC BUTTON] "You Are Infected" - Bad Guys Launch an Evil New Corona Virus Attack

Mar 30, 2020 9:22:59 AM By Stu Sjouwerman

Security Awareness Training Blog

View Topics

Stu Sjouwerman

Books

Recent Posts

NASA sees an “exponential” jump in malware attacks as personnel work from home

Cloud-based Business Email Compromise

March Content Update: Including Work From Home and Coronavirus Training Resources

CyberheistNews Vol 10 #15 The Dilemma: Should You Phish Test During the COVID-19 Pandemic?

Phishing Trends Recap of COVID-19 Related Phishing Schemes

Social Distancing Elevates Both Personal and Organizational Risk

Bad News from the (Fake) CDC: You've Got Malware

Malicious Actors Release Coronavirus Guidelines for America

Organizations Say They Want Employees to Prepare for Ransomware Attacks, But Do Little in the Way of Training

A new ransomware strain called 'Save the Queen’, distributes itself from your own Domain Controllers

Sextortion Email Scams Now Include Threats to Infect Victims with COVID-19

New Potential Phishing Scam Begins with A Phone Call

Trends in Phishing, as Seen From a Mountain View

CyberheistNews Vol 10 #14 [DON'T HIT THE PANIC BUTTON] "You Are Infected" - Bad Guys Launch an Evil New Corona Virus Attack

Who Doesn’t Like Free Money? Scammers Are Expected to Increase Use of the COVID Stimulus Bill to Line their Pockets

Bad Guys Push New COVID-19 Message: You Are Infected

New Video Module "Covid-19 Best Practices" from KnowBe4 and Transperfect

Hospitality Provider the Target of an Old-School BadUSB Social Engineering Attack

Scammers Hijacking Twitter Accounts To Sell Face Masks

The Creation & Development of a COVID-19 Phish

Search Our Blog

Subscribe To Our Blog

Posts By Topic

Get the latest about social engineering

Subscribe to CyberheistNews

Get the latest about social engineering

Subscribe to CyberheistNews