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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Cyber Attackers are Adopting a “Mobile First” Attack Strategy

Oct 21, 2024 2:06:23 PM By Stu Sjouwerman

With 16+ billion mobile devices in use worldwide, new data sheds light on how bad actors are shifting focus and tactics to put attacks into the victim’s hands.

KnowBe4's Cybersecurity Experts Shine at Barnes & Noble in New York City

Oct 21, 2024 11:16:40 AM By Stu Sjouwerman

New York City's iconic Barnes & Noble on 5th Avenue recently featured the newly released books of two of KnowBe4's leading cybersecurity experts: Chief Human Risk Management Officer ...

North Korean IT Worker Threat: 10 Critical Updates to Your Hiring Process

Oct 19, 2024 8:53:26 AM By Stu Sjouwerman

KnowBe4 was asked what changes were made in the hiring process after the North Korean (DPRK) fake IT worker discovery. Here is the summary and we strongly suggest you talk this over with ...

FBI Warns Scammers Are Targeting Law Firms For Phony Debt Collections

Oct 18, 2024 3:59:56 PM By Stu Sjouwerman

The U.S. FBI warns that scammers are attempting to trick law firms into transferring money as part of a phony debt collection scheme.

Phishing Attacks Are Abusing Legitimate Services to Avoid Detection

Oct 18, 2024 2:17:30 PM By Stu Sjouwerman

Microsoft warns that threat actors are abusing legitimate file-hosting services to launch phishing attacks. These attacks are more likely to bypass security filters and appear more ...

UK Company Hacked After Accidentally Hiring North Korean Cybercriminal

Oct 18, 2024 2:17:04 PM By Stu Sjouwerman

In a shocking turn of events, an unnamed company based in the UK has fallen victim to a sophisticated cyber attack after inadvertently hiring a North Korean hacker as a remote IT worker.

AI-Enhanced Cyber Attacks Tops the List of Data Security Threats

Oct 17, 2024 1:37:18 PM By Stu Sjouwerman

AI is quickly becoming the basis for more cyber attacks, leading organizations to realize the risk it presents. A new report now shows that AI-enhanced cyber attacks are now the top ...

Chinese Threat Actor Targets OpenAI With Spear-Phishing Attacks

Oct 16, 2024 3:47:17 PM By Stu Sjouwerman

OpenAI has disclosed that its employees were targeted by spear-phishing attacks launched by a suspected Chinese state-sponsored threat actor.

The Number of Malicious Emails Reaching Inboxes Is Declining

Oct 16, 2024 3:47:14 PM By Stu Sjouwerman

New research shows that less malicious emails are getting past security scanners to the inbox, but also provides details about how phishing emails are becoming increasingly dangerous.

North Korean Hackers Continue to Target Job Seekers

Oct 16, 2024 8:53:47 AM By Stu Sjouwerman

A North Korean threat actor is launching social engineering attacks against job seekers in the tech industry, according to researchers at Palo Alto Networks’ Unit 42.

KnowBe4 Named a Leader in the Fall 2024 G2 Grid Report for Security Orchestration, Automation, and Response (SOAR) Software

Oct 16, 2024 8:00:00 AM By Stu Sjouwerman

We are excited to announce that KnowBe4 has been named a leader in the Fall 2024 G2 Grid Report for Security Orchestration, Automation, and Response (SOAR) for the PhishER platform for ...

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Stu Sjouwerman

Books

Recent Posts

Cyber Attackers are Adopting a “Mobile First” Attack Strategy

KnowBe4's Cybersecurity Experts Shine at Barnes & Noble in New York City

North Korean IT Worker Threat: 10 Critical Updates to Your Hiring Process

FBI Warns Scammers Are Targeting Law Firms For Phony Debt Collections

Phishing Attacks Are Abusing Legitimate Services to Avoid Detection

UK Company Hacked After Accidentally Hiring North Korean Cybercriminal

AI-Enhanced Cyber Attacks Tops the List of Data Security Threats

Chinese Threat Actor Targets OpenAI With Spear-Phishing Attacks

The Number of Malicious Emails Reaching Inboxes Is Declining

North Korean Hackers Continue to Target Job Seekers

KnowBe4 Named a Leader in the Fall 2024 G2 Grid Report for Security Orchestration, Automation, and Response (SOAR) Software

CyberheistNews Vol 14 #42 [Heads Up] Majority of U.S. Execs Now Rank Cyber Threats as #1 Risk

KnowBe4 Named a Leader in the Fall 2024 G2 Grid Report for Security Awareness Training

44% of U.S. Organizations Experienced One or More Ransomware Attacks in the Last Year

Meet SmartRisk Agent™: Unlock Your New Human Risk Management

"Operation Kaerb" Takes Down Sophisticated Phishing-as-a-Service Platform “iServer”

Sextortion Scammers Attempt to Hit “Close to Home”

Trinity Ransomware Targets the Healthcare Sector

Google App Scripts Become the Latest Way to Establish Credibility and Automate Phishing Attacks

Hurricane Deepfakes Flood Social Media

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