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

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Malicious Memes Trigger Malware Functions

Dec 17, 2018 10:39:59 AM By Stu Sjouwerman

Cybercriminals are using steganography to deliver commands to malware via malicious memes, according to researchers at Trend Micro. Steganography is the art of hiding messages inside ...

Mimecast: "Your Filters Are Missing 12 Percent Of The Unwanted Emails"

Dec 15, 2018 4:07:47 PM By Stu Sjouwerman

Mimecast said: "Is a false negative rate of 12% a large number or a small one? I suppose it depends on your perspective. If your email security system lets in 12 unwanted emails—whether ...

CrowdStrike: Compelling Stories From The Cyber Intrusion Casebook 2018

Dec 15, 2018 2:51:34 PM By Stu Sjouwerman

From the Front Lines of Incident Response, the CrowdStrike Services Cyber Intrusion Casebook 2018 offers some compelling stories how threat actors are continuously adopting new means to ...

These Incredibly Realistic Fake Faces Show How AI Can Now Mess With Us

Dec 15, 2018 10:14:50 AM By Stu Sjouwerman

This starts to be more than a bit concerning. The faces in this post look like pretty normal humans. They could be social media shots. However, they were generated by a recent type of ...

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.

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