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

[NEW RISK] The MAZE Ransomware Gang Outs Their Victims On A Public Web Site

In a continuing escalation of its extortion tactics, independent security researcher, Brian Krebs reported on Krebsonsecurity.com that the criminals behind the MAZE Ransomware gang just ...

Money Mules and Evil Corp.

Last week we reported that the U.S. Justice and Treasury Departments filed charges against and placed sanctions on the members of “Evil Corp.,” the criminal group behind the Dridex ...

Spear Phishing in the Royal Canadian Mint

The Royal Canadian Mint, which produces Canada’s coins, nearly sent an employee’s paycheck to an attacker following a spear phishing attack, CBC News reports. The attacker sent an email ...

Mysterious Global Phishing Campaign Uncovered

A mysterious phishing campaign was spotted by threat researchers from Anomali. The global credential gathering phishing campaign was directed primarily at government procurement ...

ReVil Ransomware Threatens to Squeeze Their Victims with Public Exposure of Data

The REvil Ransomware crew are getting ready to put more pressure on their ransomware victims to pay up by threatening to release data if the ransom isn't paid.

Insurance Company On The Hook for 1.7 Million Dollars After Denying BEC Scam Claim

An article in the insurance Journal reports that the 11th Circuit Court in Atlanta agreed with a district court ruling that insurance company "Ironshore" is still on the hook for paying a ...

What's in it for the Social Engineers?

A necessary skill for any successful hacker is an understanding of how the human mind works, according to a post in IT Pro. Knowing how to manipulate technology is a major part of the ...

67% of UK Employees Flout Internal IT Security Rules

Businesses are leaving themselves unnecessarily exposed to significant security risks, it’s claimed by a cloud and IT business continuity services company, According to Databarracks’ data ...

MimeCast Warns of New Phishing Attacks in South Africa

With two new alerts regarding elevated risks of phishing attacks against consumers – one from DStv, and another from the New Development Bank – South Africans are warned to take care when ...