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

80% of Organizations Don’t Use DMARC Making Them Susceptible to Email Spoofing

Jul 24, 2019 5:17:12 PM By Stu Sjouwerman

DMARC’s ability to confirm a sending domain’s identity seems like a no-brainer, and yet most organizations aren’t taking advantage of this protective service to stop phishing attacks.

Ransomware Attacks Costs Nearly Triple in 2019 to over $36K Per Attack

Jul 24, 2019 4:40:39 PM By Stu Sjouwerman

The latest data from ransomware recovery vendor, Coveware, outlines the current state of the cost, duration, and recovery rate of ransomware attacks today.

HoneyTrap, The Oldest In The World Now As Iranian Catphish on LinkedIn

Jul 24, 2019 6:48:59 AM By Stu Sjouwerman

Iranian state-sponsored hackers are increasing their targeting of civilian targets amid escalating tensions between the US and Iran, according to Zak Doffman at Forbes. Doffman cites a ...

Q2 2019 Top-Clicked Phishing Email Subjects from KnowBe4 [INFOGRAPHIC]

Jul 23, 2019 3:21:21 PM By Stu Sjouwerman

KnowBe4 reports on the top-clicked phishing emails by subject lines each quarter in three different categories: subjects related to social media, general subjects, and 'In the Wild' - we ...

KnowBe4 Achieves Highest and Furthest Overall Position for Its Ability to Execute and Completeness of Vision in the 2019 Gartner Magic Quadrant for Security Awareness CBT

Jul 23, 2019 1:19:33 PM By Stu Sjouwerman

We are excited to announce that KnowBe4 has achieved the highest and furthest overall position as a Leader for its ability to execute and completeness of vision in the 2019 Magic Quadrant ...

CyberheistNews Vol 9 #30 [NEW] Here Is a Fantastic Report You Need to Read Before You Buy

Jul 23, 2019 12:07:32 PM By Stu Sjouwerman

New Cyber Attack Trends Report Reveals That Digital Criminals Made Off With $45 Billion in 2018

Jul 23, 2019 10:27:12 AM By Stu Sjouwerman

Scott Ikeda at CPO Magazine posted insights about a new report on cyber attack trends which combines information from a number of high-level sources. It reveals a startling amount of ...

Fake Accounts Go to College

Jul 23, 2019 10:12:48 AM By Stu Sjouwerman

The US Department of Education warned last week that 62 colleges were exposed to criminals who exploited an authentication vulnerability in a popular enterprise resource planning ...

Is Equifax Paying Up To 700 Million... Or Is It 1.4 Billion?

Jul 23, 2019 7:26:05 AM By Stu Sjouwerman

In a settlement with the FTC, consumers affected by the breach are eligible for up to $20,000 in a cash settlement, depending on damages they can prove. But different news sources claim ...

Hackers Exfiltrate 7.5TB From Russian FSB Contractor

Jul 22, 2019 10:52:50 AM By Stu Sjouwerman

'Biggest ever breach' exposes project to de-anonymize Tor traffic. IF YOU'RE A CONTRACTOR to a government intelligence service, then getting hacked is a really bad look. Especially if the ...

Windows Defender Gets a New Name: Microsoft Defender

Jul 22, 2019 7:24:20 AM By Stu Sjouwerman

Bleepingcomputer reported: "Windows Defender is being rebranded to Microsoft Defender to indicate that it now part of a cross platform family of products. This includes enterprise ...

[Scam of The Week] New 'US State Police' Phishing Extortion Scam Includes Contact Numbers

Jul 20, 2019 11:26:21 AM By Stu Sjouwerman

Our friend Larry Abrams at Bleeping computer warned: "A new extortion scam is underway that pretends to be from a US State Police detective who is willing to delete child porn evidence if ...

KnowBe4 Adds Language Localization to Learner's Experience For All Customers

Jul 20, 2019 10:02:24 AM By Stu Sjouwerman

We are excited to announce the availability of KnowBe4’s new localized training interface option for your users!

U.S. Coast Guard Warns of Phishing Attacks Designed for Data Theft and Malware Infection

Jul 19, 2019 3:15:52 PM By Stu Sjouwerman

A new Marine Safety Information Bulletin from the U.S. Coast Guard demonstrates that cybercriminals aren’t just after land-based businesses.

U.K. Sees an Increase in Sophisticated Phishing Attacks Targeting Educational Institutions

Jul 19, 2019 3:12:23 PM By Stu Sjouwerman

Using a mix of identity deception, domain spoofing, credential theft, and bank fraud, scammers are taking advantage of soft targets in the U.K.’s education sector.

Deep Fakes Getting Better Every Day With AI / Machine Learning

Jul 19, 2019 11:51:36 AM By Stu Sjouwerman

A recent article in The Next Web showed how AI can magically remove a person or object from a video background as computer algorithms “clips” the person walking across a street out of the ...

NSO spyware ‘targets Big Tech cloud services’

Jul 19, 2019 10:15:28 AM By Stu Sjouwerman

The Israeli company whose spyware hacked WhatsApp has told buyers its technology can surreptitiously scrape all of an individual’s data from the servers of Apple, Google, Facebook, Amazon ...

Lateral Phishing Used To Attack Organizations On Global Scale

Jul 18, 2019 4:55:47 PM By Stu Sjouwerman

Warwick Ashford at ComputerWeekly reported: "Lateral phishing is a growing type of account takeover that has enabled attackers to target more than 100,000 people by hijacking just 154 ...

Whoa Nellie. BEC Scams Average USD 300 Million Per Month In Illegal Transfers

Jul 18, 2019 11:04:26 AM By Stu Sjouwerman

New data compiled by the Financial Crimes Enforcement Network (FinCEN) shows that illegal transactions linked to business email compromise (BEC)—aka CEO Fraud— scams averaged $300 million ...

CBInsights Welcomes KnowBe4 To The Cybersecurity Unicorn Club

Jul 18, 2019 9:51:43 AM By Stu Sjouwerman

CBInsights wrote: "Cybersecurity unicorns (*) are being minted at a faster rate than ever before, and $1B+ valuations are coming through even larger funding rounds. Private companies are ...

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