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

New "Secured" Phishing Site Goes Up Every Two Minutes

Dec 14, 2018 1:42:01 PM By Stu Sjouwerman

SC Mag had an exclusive: Threat actors are "playing by the rules", or at least tricking your browser into thinking they are, in order to deliver more effective attacks.

Kanye West Tops Dashlane’s List of 2018’s “Worst Password Offenders”

Dec 14, 2018 10:00:06 AM By Stu Sjouwerman

Dashlane today announced its third annual list of the “Worst Password Offenders.” The list highlights the high-profile individuals and organizations that had the most significant ...

[Heads-up] New Email Extortion Scam Bomb Threat Demands Bitcoin

Dec 13, 2018 5:34:15 PM By Stu Sjouwerman

A new email extortion scam is making the rounds, threatening that someone has planted bombs within the recipient's building that will be detonated unless a hefty bitcoin ransom is paid by ...

Ransomware Recovery Expert Scams Victims and Turns Out to be Nothing More than a Bitcoin Middleman

Dec 13, 2018 4:56:26 PM By Stu Sjouwerman

Organizations falling victim to ransomware look for any way to ensure they get their files back. One Belasurian businessman promises decryption but is merely conning victims out of more ...

WARNING: Your Head of Finance May Be 1 of 50,000 Execs Targeted in BEC Scams

Dec 13, 2018 3:42:59 PM By Stu Sjouwerman

According to a report from email security & protection vendor Agari, the cybercriminal group dubbed London Blue are directing their latest scams at very specific finance execs.

NotPetya Causes Whopping 100 Million Insurance Coverage Lawsuit

Dec 13, 2018 1:50:11 PM By Stu Sjouwerman

Techlawx posted news about an astounding NotPetya-related lawsuit, (link at the end). We all remember June 27, 2017, when a major global cyber attack harmed thousands of companies. The ...

Giveaway Scam Offers Free Volkswagens to Generate Ad Revenue

Dec 12, 2018 5:34:58 PM By Stu Sjouwerman

A scam campaign is promising free Volkswagen car giveaways to trick social media users into visiting third-party ad servers, according to researchers at Sucuri.

A Call for More Consumer Privacy Laws Could Spell Penalties in Your Future

Dec 12, 2018 7:08:44 AM By Stu Sjouwerman

In the wake of the Marriott data breach, U.S. senators are calling for tougher privacy laws and stiff fines for organizations that do not properly protect consumer data.

Ransomware is a Growing Threat to Every Industry

Dec 11, 2018 3:42:08 PM By Stu Sjouwerman

Ransomware is a global problem that is only getting worse, as evinced by Datto’s 2018 Global State of the Channel Ransomware Report. The report surveyed more than 2,400 IT professionals, ...

Hackbusters - Where Can You Discuss All Things Social Engineering?

Dec 11, 2018 3:19:07 PM By Stu Sjouwerman

The KnowBe4 Hackbuster’s Forum is an online community dedicated to stopping the bad guys that use social engineering to hack your organization.

Scammers are Posing as Huawei’s Captive CFO

Dec 11, 2018 11:54:08 AM By Stu Sjouwerman

An advance fee scam is targeting individuals in China following the arrest of Huawei’s CFO, Meng Wanzou, according to the SANS Internet Storm Center. Ms. Meng, who is also the daughter of ...

Half of Management Teams Don’t Understand Business Process Compromise

Dec 11, 2018 11:47:09 AM By Stu Sjouwerman

A new survey by Trend Micro reveals that 43% of organizations in twelve countries have been affected by Business Process Compromise (BPC) attacks. In spite of this, 50% of management ...

Employee Education and Training is a Key Component of a Culture of Security

Dec 11, 2018 11:33:20 AM By Stu Sjouwerman

Organizations need to focus on education and training rather than blaming employees for security gaffes, according to the speakers in a panel debate at Computing′s Enterprise Security and ...

KnowBe4 Published in The Top 10 Nicest Offices in Tampa!

Dec 11, 2018 11:05:42 AM By Stu Sjouwerman

Just published, KnowBe4 in Full Stack Talent's Article on The Top 10 Nicest Offices In Tampa! (They came a few weeks ago to take pictures of our office space.)

CyberheistNews Vol 8 #49

Dec 11, 2018 8:29:27 AM By Stu Sjouwerman

Cybercriminals Use 1.7 Million Compromised PCs in Botnet Advertising Fraud Scam

Dec 10, 2018 2:09:32 PM By Stu Sjouwerman

The Russian-born, botnet-driven advertising fraud scam, 3ve, generated over $29 million in revenue using fileless malware variant Kovter, botnets, and unsuspecting users.

Ransomware Remains the Largest Source of Cyber Claims and Downtime

Dec 10, 2018 2:07:56 PM By Stu Sjouwerman

Details shared from Canadian insurer CFC Underwriting highlight the realities of ransomware attacks, and just how negatively impactful the aftermath is on business.

ModStore Release Announcement: "Using the Phish Alert Button"- 3-minute Short Version

Dec 10, 2018 1:01:42 PM By Stu Sjouwerman

Now live in the ModStore is a new Phish Alert video module: Using the Phish Alert Button - Basic Use This is the PAB (super short version) that we created based on requests from admins ...

[ALERT] Now The Bad Guys Are Phishing For Your Retirement Money

Dec 9, 2018 12:06:58 PM By Stu Sjouwerman

Eric Howes, KnowBe4 Principal Lab Researcher observed: "Here is a screenshot of a phishing email that came in Friday. In it the bad guys attempt to apply the same modus operandi currently ...

[Scam Of The Week] New Sextortion Attacks Take A Dark Turn And Infect People With GandCrab Ransomware

Dec 8, 2018 10:16:52 AM By Stu Sjouwerman

Our friends at Proofpoint reported that last week employees in the United States have been bombarded by a spam attack that pushed a double-whammy of a sextortion attempt combined with a ...

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