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

Simple Facebook Phishing Scam Takes an Unexpected Turn to Throw Potential Victims Off the Scent

Rather than take the usual path of sending an email and linking to a spoofed logon page, this attack takes a different set of actions that at first make no sense but may actually be ...

Cisco: Web 3.0 Will be the Next Frontier for Social Engineering and Phishing Attacks

A look at what makes up Web 3.0 and how it may be used includes insight into what kinds of cyberattacks may plague it, as cybercriminals look for new profitable opportunities.

Cost of Internet Crimes in 2021 Increase 64% Exceeding $6.9 Billion

New data from the FBI’s Internet Crime Complaint Center (IC3) shows a massive increase in the cost of internet crimes, with phishing and BEC topping the list.

Obvious Phishbait, But Someone Will Bite

A widespread phishing scam is circulating in Facebook Messenger, according to Jeff Parsons at Metro. The phishing messages simply contain the words, “Look what I found,” along with a ...

FBI Warns of Phishing Attacks Targeting Election Officials

The FBI has issued a Private Industry Notification warning of phishing emails designed to steal login credentials from election officials. The Bureau believes these attacks will increase ...

A Lack of Employee Cyber Hygiene is the Next Big Threat

A new report suggests that everything from endpoints, to passwords, to training, to security policies, to a lack of awareness is all contributing to much higher risk of cyberattack.

Ransomware Attack Volume Increases by 18% As the Number of Variants Jumps to 34 in Only One Quarter

A new report reviewing ransomware activity in 2021 shows an impressive uptick in the number of targeted attacks in Q4 of 2021 to 772 as more players join (or rejoin) the game.

Mobile Device Usage Have Led to Security Incidents in Nearly Half of Organizations

The shift in devices used by today’s workforce has resulted in increases in cybersecurity concerns and incidents, despite a majority of orgs with defined BYOD programs in place.

CyberheistNews Vol 12 #13 [Heads Up] Published Zelenskyy Deepfake Video Demonstrates the Modern War is Online

[Heads Up] Published Zelenskyy Deepfake Video Demonstrates the Modern War is Online Email not displaying? | View Knowbe4 Blog CyberheistNews Vol 12 #13 | Mar. 29th., 2022 [Heads Up] ...

Email Conversation Hacking to Distribute Malware

Researchers at Intezer warn that attackers are hijacking email conversations to distribute the IcedID banking Trojan. This technique makes the phishing emails appear more legitimate and ...