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

Cybercriminal Gets 25 Years Prison Time Over Romance Scams and Business Email Compromise Attacks

Oct 6, 2022 8:56:35 AM By Stu Sjouwerman

A man from Atlanta, Georgia has been convicted of running romance scams and business email compromise attacks that netted him over $9.5 million, the US Justice Department has announced.

IRS Warns of A Spike in Smishing Attacks

Oct 5, 2022 9:22:59 AM By Stu Sjouwerman

The US Internal Revenue Service (IRS) has issued an alert warning of a significant rise in text message phishing scams (smishing) impersonating the IRS since the beginning of the year.

FCC Warns of Post-Hurricane Scams

Oct 4, 2022 9:58:33 AM By Stu Sjouwerman

The US Federal Communications Commission (FCC) offers advice on how to avoid falling for scams that follow in the wake of natural disasters like Hurricane Ian. Scammers target victims of ...

KnowBe4 Named a Leader in the Fall 2022 G2 Grid Report for Security Awareness Training

Oct 4, 2022 9:50:25 AM By Stu Sjouwerman

We are thrilled to announce that KnowBe4 has been named a leader in the latest G2 Grid Report that compares Security Awareness Training (SAT) vendors based on user reviews, customer ...

KnowBe4 Named a Leader in the Fall 2022 G2 Grid Report for Security Orchestration, Automation, and Response (SOAR)

Oct 4, 2022 9:50:21 AM By Stu Sjouwerman

We are excited to announce that KnowBe4 has been named a leader in the Fall 2022 G2 Grid Report for Security Orchestration, Automation, and Response (SOAR) for the PhishER platform for ...

CyberheistNews Vol 12 #40 [Eye Opener] The FBI Warns Against a New Cyber Attack Vector Called Business Identity Compromise (BIC)

Oct 4, 2022 9:30:00 AM By Stu Sjouwerman

Cyber Risk Remains Top Concern for Businesses with a Distinct Lack of Unpreparedness

Oct 4, 2022 9:14:59 AM By Stu Sjouwerman

New insight from over 1200 businesses paints a picture of how organizations believe they are ready for an attack and are definitely focused on cyber risk, but don’t have what they need in ...

One-Fourth of Organizations Have Been Victim to a Ransomware Attack with 59% Starting with Email

Oct 4, 2022 9:14:56 AM By Stu Sjouwerman

New analysis highlights just how prevalent ransomware attacks are today, how material the impacts are, whether organizations get their data back, and exactly how these attacks start.

[HEADS UP] The Old "Nigerian Prince Scam" resurfaces as "Russian Billionaire Fraud"

Oct 3, 2022 1:08:42 PM By Stu Sjouwerman

Scammers continue to get creative when it comes to current events - and this new scam is no exception.

German Police Collar Alleged Phishing Cybercriminals

Oct 3, 2022 9:07:51 AM By Stu Sjouwerman

The Bundeskriminalamt (BKA), Germany's federal criminal police, raided three homes on Thursday, September 29th, in the course of an investigation of a cyber criminal operation the BKA ...

Trend Micro Reports Stolen Identities And Deepfakes

Oct 2, 2022 12:30:31 PM By Stu Sjouwerman

Researchers at Trend Micro warn that the social engineering potential of deepfakes is becoming an increasing concern. Deepfakes have already been successfully used in attacks, and Trend ...

Reshaping the Threat Landscape: Deepfake Cyberattacks Are Here

Oct 1, 2022 12:43:15 PM By Stu Sjouwerman

Jai Vijayan, Contributing Writer at Dark Reading correctly stated: "It's time to dispel notions of deepfakes as an emergent threat. All the pieces for widespread attacks are in place and ...

Response-Based Phishing Scams Targeting Corporate Inboxes Hit New Records

Sep 30, 2022 9:14:06 AM By Stu Sjouwerman

Setting a record for both highest count and share in volume with other types of phishing scams, response-based attacks are at their highest since 2020 and are continuing to grow.

Your KnowBe4 Fresh Content Updates from September 2022

Sep 30, 2022 8:00:00 AM By Stu Sjouwerman

Check out the 35 new pieces of training content added in September, alongside the always fresh content update highlights and new features.

Social Engineering and Bogus Job Offers

Sep 29, 2022 9:37:07 AM By Stu Sjouwerman

Researchers at SentinelOne have warned that North Korea’s Lazarus Group is using phony Crypto.com job offers to distribute macOS malware. The researchers aren’t sure how the lures are ...

[On-Demand Webinar] A Master Class on Cybersecurity: Roger Grimes Teaches Password Best Practices

Sep 28, 2022 3:51:33 PM By Stu Sjouwerman

What really makes a “strong” password? And why are you and your end-users continually tortured by them? How do hackers crack your passwords with ease? And what can/should you do to ...

American Airlines Traces Breach to Phishing Incident

Sep 28, 2022 9:05:46 AM By Stu Sjouwerman

American Airlines has disclosed that an attacker used phishing attacks to breach the company’s systems, BleepingComputer reports.

CyberheistNews Vol 12 #39 [HEADS UP] Bank of America Warns About Recent Scams That Request Zelle Payment Due to 'Suspicious Activity'

Sep 27, 2022 9:30:00 AM By Stu Sjouwerman

87% of Organizations Rank Cyberattacks as the Number One Threat to Their Business

Sep 27, 2022 9:00:49 AM By Stu Sjouwerman

New data sheds a shocking light on just how inexperienced organizations are today in addressing cybersecurity needs – and the impact attacks are having on their business.

FBI: Cyber Criminals Will Continue Targeting Healthcare Payment Processors Through Phishing Campaigns and Social Engineering

Sep 27, 2022 9:00:42 AM By Stu Sjouwerman

Despite the pandemic being largely considered over, a recent Private Industry Notification focused on the Healthcare industry indicates that organizations should remain vigilant.

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