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

Two-Thirds of Organizations Plan to Improve Their Cybersecurity in the Wake of Devastating Ransomware Attacks

Jun 2, 2021 4:53:53 PM By Stu Sjouwerman

With 81% of organizations believing ransomware attacks will become more prevalent in the second half of 2021, nearly everyone is preparing for the worst to come.

Cyber Hygiene not a Focus for Cybersecurity Leaders, Despite Being Targets of Attacks Themselves

Jun 2, 2021 4:46:48 PM By Stu Sjouwerman

New findings from a survey of over 100 global cybersecurity leaders across all major industries sheds light on the apathy around needed proper cyber hygiene in their own lives.

New Ransomware Strain Epsilon Red is Reported

Jun 1, 2021 11:32:07 AM By Stu Sjouwerman

Researchers at Sophos report finding a new ransomware strain in the wild. They call it “Epsilon Red.” The malware is written in GO, and it was delivered as the final executable payload in ...

CyberheistNews Vol 11 #21 [Heads Up] The Cybersecurity Insurance Landscape Is Fundamentally Changing Right Now

Jun 1, 2021 9:35:19 AM By Stu Sjouwerman

[Heads Up] Microsoft: SolarWinds hackers spear phish govt agencies from 24 countries

May 28, 2021 10:07:38 AM By Stu Sjouwerman

The Microsoft Threat Intelligence Center (MSTIC) has discovered that the SolarWinds hackers are behind an ongoing spear-phishing campaign targeting government agencies worldwide.

New Email Attack Takes a Phishing-Turned-Vishing Angle to Steal Credit Card Info

May 28, 2021 9:56:51 AM By Stu Sjouwerman

Details on this new scam demonstrate how cybercriminal gangs are working to try use new mediums and social engineering methods to trick users into becoming victims.

Get Prepared Now: New Executive Order Signals Cyber Regulations in the Future

May 28, 2021 9:54:51 AM By Stu Sjouwerman

The White House’s latest Executive Order on Improving the Nation’s Cybersecurity provides insight into what organizations should expect in the future and what they need to do today.

Business Email Compromise Attacks Are Evolving, Becoming More Convincing and More Expensive

May 28, 2021 9:51:22 AM By Stu Sjouwerman

The “business” of BEC is becoming increasingly more lucrative for cybercriminals, as they develop new ways to defraud individuals and organizations of their money.

New Would-Be Ransomware Attack Only Focuses on Stealing Data via the Java-Based STRAAT Malware

May 28, 2021 9:49:51 AM By Stu Sjouwerman

New details from Microsoft Security Intelligence discuss an attack that displays ransomware-like behavior, but simply seeks to install the credential theft-focused remote access trojan.

Call Centers Used to Distribute BazarLoader

May 27, 2021 9:21:37 AM By Stu Sjouwerman

Cybercriminals are using call centers to trick users into downloading the BazarLoader malware, according to researchers at Palo Alto Networks’ Unit 42. By relying on social engineering to ...

A Popular Fraud Combo is Back: Elon Musk and Bitcoin

May 26, 2021 1:56:37 PM By Stu Sjouwerman

Researchers at Bitdefender warn that cybercriminals continue to impersonate Elon Musk in Bitcoin scams. One campaign that started on May 15 involved sending thousands of emails telling ...

CyberheistNews Vol 11 #20 [Heads Up] Advanced Persistent Threat Uses New Spoofed Domains in Social Engineering Attacks

May 25, 2021 9:49:09 AM By Stu Sjouwerman

UK Royal Mail Smishing Crew Nabbed By City Of London Police

May 24, 2021 3:34:30 PM By Stu Sjouwerman

According to a report by ZDNet, there were arrests made due to suspicions of sending 'smishing' texts. Smishing is a form of phishing that sends SMS messages in order to steal personal ...

[On-Demand Webinar] Setting the Trap: Crafty Ways the Bad Guys Trick Your Users to Own Your Network Featuring Kevin Mitnick

May 24, 2021 9:52:40 AM By Stu Sjouwerman

The bad guys are out there, watching and waiting for an opportunity to strike. They have carefully researched your organization in order to set the perfect trap. And the perfect ...

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Stu Sjouwerman

Books

Recent Posts

Two-Thirds of Organizations Plan to Improve Their Cybersecurity in the Wake of Devastating Ransomware Attacks

Cyber Hygiene not a Focus for Cybersecurity Leaders, Despite Being Targets of Attacks Themselves

New Ransomware Strain Epsilon Red is Reported

CyberheistNews Vol 11 #21 [Heads Up] The Cybersecurity Insurance Landscape Is Fundamentally Changing Right Now

[Heads Up] Microsoft: SolarWinds hackers spear phish govt agencies from 24 countries

New Email Attack Takes a Phishing-Turned-Vishing Angle to Steal Credit Card Info

Get Prepared Now: New Executive Order Signals Cyber Regulations in the Future

Business Email Compromise Attacks Are Evolving, Becoming More Convincing and More Expensive

New Would-Be Ransomware Attack Only Focuses on Stealing Data via the Java-Based STRAAT Malware

Call Centers Used to Distribute BazarLoader

A Popular Fraud Combo is Back: Elon Musk and Bitcoin

CyberheistNews Vol 11 #20 [Heads Up] Advanced Persistent Threat Uses New Spoofed Domains in Social Engineering Attacks

UK Royal Mail Smishing Crew Nabbed By City Of London Police

[On-Demand Webinar] Setting the Trap: Crafty Ways the Bad Guys Trick Your Users to Own Your Network Featuring Kevin Mitnick

Low-Grade Ways of Bypassing Email Scanners

Ransomware-as-a-Service is Organizing, Becoming More Devastating and Costly

The FBI’s Internet Crime Complaint Center Marks Its 6 Millionth Complaint as Pace Accelerates

Credential Stuffing the Financial Services Sector

When Cryptocurrency Investments Really Are Too Good To Be True

Transparent Tribe Uses Spoofed Domains in Social Engineering Attacks

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