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

Social Engineering is a Core Element of Nearly Every Cyber Attack

Jan 18, 2021 8:25:46 AM By Stu Sjouwerman

As organizations look to figure out where to strengthen their cybersecurity strategy, industry data provides guidance by pointing at one of the most common aspects of cyberattacks for ...

The 10 Phases Of Organizational Security Awareness

Jan 17, 2021 12:52:10 PM By Stu Sjouwerman

After 10 years of continued expansion in the security awareness space and providing our platform to tens of thousands of customers, we have observed a certain progress of organizational ...

Vaccine Research Companies are the Target of New Ransomware Attacks

Jan 14, 2021 1:32:24 PM By Stu Sjouwerman

The U.S. Treasury Department's Financial Crimes Enforcement Network (FinCEN) warns financial organizations to be aware of campaigns actively targeting vaccine companies.

68% of Organizations Experiencing One Cyberattack Experience a Second Within 12 Months!

Jan 14, 2021 1:29:19 PM By Stu Sjouwerman

New data from cybersecurity vendor CrowdStrike shows just having security technologies in place won’t prevent one… let alone two… cyberattacks.

Healthcare Sees Double the Increase in the Amount of Ransomware Attacks Since November

Jan 14, 2021 1:25:56 PM By Stu Sjouwerman

With an average of 626 ransomware attacks weekly on healthcare organizations, it’s evident that the bad guys are stepping up their tactics and focus where they believe the money to be.

Google Finds an Alarming Thousands of Phishing Sites Everyday in 2020

Jan 14, 2021 8:30:27 AM By Stu Sjouwerman

Google discovered a record number of phishing sites in 2020, according to researchers at AtlasVPN. The researchers cite Google’s Transparency Report, which says the search giant detected ...

Employees Are Too Trusting of Workspace Tools

Jan 13, 2021 8:24:56 AM By Stu Sjouwerman

A study by Avanan has found that users tend to trust workplace communication tools such as Microsoft Teams, Slack, and Google Hangouts, even though these platforms are subject to many of ...

CyberheistNews Vol 11 #02 [Heads Up] Was SolarWinds Really a Daisy Supply Chain Attack?

Jan 12, 2021 10:13:38 AM By Stu Sjouwerman

How Crime Pays, Ransomware Edition

Jan 12, 2021 10:12:46 AM By Stu Sjouwerman

The Ryuk ransomware operators have raked in more than $150 million from their attacks, researchers at Advanced Intelligence and HYAS have found. The researchers describe how these ...

How to Spot the (Phish) Hook

Jan 11, 2021 9:51:51 AM By Stu Sjouwerman

Users should act as quickly as possible after they realize they’ve fallen for a phishing attack, according to Mallika Mitra at Money. The faster your IT department can contain a malware ...

Email Scammers Impersonate U.S. Government Agencies Offering Pandemic Financial Assistance

Jan 8, 2021 8:33:54 AM By Stu Sjouwerman

Taking advantage of people in their time of need, these bottom feeders of the cybercriminal world promise assistance and, instead, collect personal details to make a buck.

It’s Time for Organizations to Begin Propping Up the Human Firewall

Jan 8, 2021 8:29:18 AM By Stu Sjouwerman

Modern thinking about a comprehensive cybersecurity strategy includes a holistic approach that equally involves your users as a “human element” within your cyber defenses.

Fake Scandal Video Serves Malware

Jan 7, 2021 12:03:54 PM By Stu Sjouwerman

Researchers at Trustwave warn that a phishing campaign is attempting to deliver malware via a file for a fake scandal video with 'Trump' included in the title. The file is a Java Archive ...

SolarWinds Hit With Class-Action Lawsuit Following Orion Breach

Jan 7, 2021 10:55:23 AM By Stu Sjouwerman

SolarWinds and some of its executives have been accused of lying to shareholders about its security. In a class-action lawsuit filed by shareholders Solarwinds, outgoing CEO Keven ...

[Heads Up] Was SolarWinds Really A Daisy Supply Chain Attack?

Jan 7, 2021 8:50:50 AM By Stu Sjouwerman

The NYT just reported the next revelation regarding the SolarWinds hack. The Russian FSB may have piggybacked on a tool developed by JetBrains, which is based in the Czech Republic.

KnowBe4 Wins Multiple 2021 "Best of" Awards From TrustRadius

Jan 6, 2021 1:36:21 PM By Stu Sjouwerman

KnowBe4 is proud to be recognized by TrustRadius in the first-ever “Best of” Awards for usability, customer support, and feature set in the Security Awareness Training software category.

PayPal Phishing: “Your Account is Limited”

Jan 6, 2021 10:00:36 AM By Stu Sjouwerman

A PayPal smishing campaign is trying to trick users into handing over their credentials and personal information, BleepingComputer reports. The text messages state, “PayPal: We've ...

[HEADS UP] Australian Cyber Security Centre is Being Used in Malware Campaign

Jan 6, 2021 9:50:02 AM By Stu Sjouwerman

A warning was recently issued by the Australian Government of cybercriminals impersonating the Australian Cyber Security Centre (ACSC) to infect with malware.

Welcome to The InfoSec Neighborhood!

Jan 5, 2021 3:59:52 PM By Stu Sjouwerman

It looks like KnowBe4 has a new cybersecurity “neighbor” here in Tampa, helping create an even larger presence of tech companies headquartered in Florida.

It Looks Like Chinese Cybercriminal Group APT27 May Be Shifting to Ransomware Attacks

Jan 5, 2021 3:59:29 PM By Stu Sjouwerman

The perceived change in cyberattack tactics for this well-known group of hackers may mean more trouble as APT27’s talents usually reserved for espionage are focused on ransomware.

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