KnowBe4 Blog

Keeping you informed. Keeping you aware.
Stay on top of the latest in human and agent security including social and prompt engineering, ransomware and phishing attacks.

Stu Sjouwerman

Founder and Executive Chairman

Stu Sjouwerman (pronounced “shower-man”) is the Founder and Executive Chairman 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.


Recent Posts

[INFOGRAPHIC] 10 Tips for Running a Successful Compliance Training Program

Compliance training is often seen as a chore that organizations need to just get through. That said, compliance cannot simply be ignored. A recent report from software firm GlobalScape ...

New Phishing Attack Attempts to Steal Social Security Numbers

A phishing campaign is impersonating the US Social Security Administration (SSA) in an attempt to steal Social Security numbers, according to researchers at INKY.

Phishing Targets US Election Workers

Researchers at Trellix warn of phishing attacks targeting election workers in advance of the US midterm elections. These attacks spiked ahead of the primary elections in Arizona and ...

New COVID-19 Phishing Wave Misuses Google Forms to Steal Victim Information

This new credential harvesting scam impersonates a real U.S. Government COVID-related grant program to harvest credentials and personal details using a blatantly obvious Google form.

91% of Organizations are Concerned About Ransomware Attacks in 2022

With ransomware attacks becoming more frequent, evasion getting more sophisticated, and ransoms increasing, new data shows organizations aren’t fighting for staff and budget.

[HEADS UP] South African Post Office Sends Warning of Targeted Phishing Attacks

The South Africa Post Office (SAPO) recently warned customers of phishing emails to portray the post office. These cybercriminals are asking for outstanding customs fees that require ...

WSJ: "Cybersecurity Tops the CIO Agenda as Threats Continue to Escalate"

Steven Rosenbush at the WSJ reported: "Chief information officers say cybersecurity once again will be their top investment priority in 2023, a sign of how companies are racing to manage ...

Name-and-Shame Scams on Discord

Scammers are sending Discord messages with phony accusations to trick users into clicking on phishing links, according to Shan Abdul at MakeUseOf. The messages are sent from compromised ...

Sloppy but Dangerous: Fake Ransomware

Conventional ransomware encrypts the victims’ files and holds them hostage, unavailable to their owners, promising to provide a decryptor once the victims pay the ransom. In some cases ...