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

Facebook Scams Impersonate AI Tools

Jul 27, 2023 2:27:57 PM By Stu Sjouwerman

Fraudsters are spreading scams on Facebook that pose as ads for legitimate AI tools, according to researchers at Check Point. The Facebook pages impersonate ChatGPT, Google Bard, ...

Russia-Based Global Cybersecurity Vendor Group-IB Exits the Russian Market

Jul 27, 2023 2:26:31 PM By Stu Sjouwerman

Amid potential concerns by governments, customers, and prospects about ties with the Russian government, the cybersecurity vendor Group-IB continues in its promise to separate itself from ...

Phishing Email Attack Numbers “Decline” While Malware Volumes Increase 15%

Jul 27, 2023 2:26:27 PM By Stu Sjouwerman

New data focused on the first half of the year shows some anomalies. Phishing attacks are slowing down… that is, until you dive into the details.

[Live Demo] Customizing Your Compliance Training to Increase Effectiveness

Jul 27, 2023 8:00:00 AM By Stu Sjouwerman

Linking compliance training to specific outcomes is hard. Compliance training has a reputation for being challenging for organizations to offer, difficult to do right and employees are ...

New IBM report reveals the cost of a data breach now tops $4.45 million

Jul 26, 2023 3:21:29 PM By Stu Sjouwerman

IBM Security has released its annual Cost of a Data Breach Report, revealing that the global average cost of a data breach reached $4.45 million in 2023. This marks a significant increase ...

Beware of the Barbie Scam: What You Need to Know After the Recent Movie Release

Jul 26, 2023 8:44:37 AM By Stu Sjouwerman

Scammers are taking advantage of the popularity of the Barbie movie, according to researchers at McAfee.

[Live Demo] Ridiculously Easy Security Awareness Training and Phishing

Jul 26, 2023 8:00:00 AM By Stu Sjouwerman

Old-school awareness training does not hack it anymore. Your email filters have an average 7-10% failure rate; you need a strong human firewall as your last line of defense.

The Secret's Out: Researchers Reveal Backdoor in Emergency Radio Encryption

Jul 25, 2023 4:44:50 PM By Stu Sjouwerman

For over 25 years, a technology utilized for vital data and voice radio communications globally has remained under wraps, preventing in-depth testing for potential vulnerabilities. ...

Phony Browser Updates Deliver NetSupport Trojan Using Social Engineering Tactics

Jul 25, 2023 10:16:41 AM By Stu Sjouwerman

A new social engineering campaign tracked as “FakeSG” is distributing the NetSupport remote access Trojan (RAT) via phony browser updates, according to researchers at Malwarebytes. The ...

CyberheistNews Vol 13 #30 [IN MEMORIAM] Kevin David Mitnick (Aug 6, 1963 - July 16, 2023)

Jul 25, 2023 9:00:00 AM By Stu Sjouwerman

FBI Warns of Increased Tech Support Scams Using Snail Mail

Jul 24, 2023 10:12:08 AM By Stu Sjouwerman

The US Federal Bureau of Investigation (FBI) has warned of an increase in tech support scams that attempt to trick users into sending cash via snail mail.

Save $200 on Your Security Awareness and Culture Professional (SACP) Certification

Jul 21, 2023 11:21:07 AM By Stu Sjouwerman

H Layer Credentialing is launching an updated exam form with new content and they need YOUR help! They are looking for professionals interested in earning their SACP Certification to ...

Microsoft was the Most Impersonated Brand in Q2, 2023

Jul 20, 2023 3:25:44 PM By Stu Sjouwerman

Microsoft was the most impersonated brand in phishing attacks during Q2, 2023, according to Check Point’s latest Brand Phishing Report.

European Union Healthcare Sees the Number of Cyber Incidents Double in 2023

Jul 20, 2023 3:25:40 PM By Stu Sjouwerman

A new report focused on the healthcare sector sheds light on the state of cyber attacks in the European Union, including the types of attacks, who’s targeted, motivations, and who’s ...

Business Email Compromise Now Has a $50 Billion Price Tag

Jul 20, 2023 3:25:36 PM By Stu Sjouwerman

The latest data from the FBI’s Internet Crime Complaint Center (IC3) ups the estimate for the cost of losses and exposure through business email compromise (BEC) attacks from 2013 through ...

The Number of Data Compromises Jumps 50% in H1 2023, Outpacing Every Year on Record

Jul 20, 2023 3:25:33 PM By Stu Sjouwerman

New data from the Identity Theft Resource Center (ITRC) covering the first half of this year shows a significant rise in the number of successful cyber attacks focused on stealing ...

Kevin David Mitnick (Aug 6, 1963 - July 16, 2023)

Jul 20, 2023 7:16:25 AM By Stu Sjouwerman

The only constant is change. That is true for physics, for organizations, and for us humans. People join and leave teams, and of course also join and leave life. But it's always a shock ...

Threat Actors Add ".Zip" Domains to Phishbait

Jul 19, 2023 9:54:36 AM By Stu Sjouwerman

Cybercriminals are exploiting the introduction of “.ZIP” as a new generic Top-Level Domain (gTLD) to launch phishing attacks, according to researchers at Fortinet.

[INFOGRAPHIC] KnowBe4’s Content Library by the Numbers

Jul 19, 2023 9:27:35 AM By Stu Sjouwerman

KnowBe4 offers the world’s largest library of always-fresh security awareness and compliance training content that includes assessments, interactive training modules, videos, games, ...

CyberheistNews Vol 13 #29 [Heads Up] Phishing Attacks Now Use QR Codes to Steal Your User Credentials

Jul 18, 2023 9:00:00 AM By Stu Sjouwerman

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