Human Risk Management Blog

Keeping you informed. Keeping you aware.
Stay on top of the latest in security including social 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

How Phishing Attacks Are Evolving

28 Percent of Data Breaches Lead to Fraud

Cyberwar? Time To Calm Down A Bit

The media has a field day with this whole China / Mandiant report, but there are a few issues being confused here. It's all good and well to make the public aware of the fact that foreign ...

CyberheistNews Vol 3, 09

Osterman Blogs About KnowBe4

Highly regarded IT Analyst Mike Osterman wrote: "Most will agree that despite the enormous amounts spent on secure Web gateways, anti-virus software, cloud-based malware filtering and the ...

Scam Of The Week - Target: IT

This week, it's -you- specifically being targeted with a phishing attack. The bad guys know very well that the most powerful weapons are administrator's credentials, as those really are ...

PDF 0-day Vulnerability Being Exploited In The Wild

Last week, Adobe warned customers that a few new exploits that target Acrobat Reader were being exploited in the wild. Keep an eye out for patches that are expected soon. The exploits are ...

Security firms slow to react to spear phishing like that used in China hack

Antone Gonsales at the CSO site hits the nail on the head: "Email security vendors have failed to do enough to protect customers against advanced cyberattacks like the one recently linked ...

Which Antivirus Has The Best Phishing Protection? Surprise!

I ran across some very interesting research recently done by NSS Labs. They compared twelve of the most popular antivirus engines, they call them endpoint protection products (EPP) and ...

Cyber Bullying

KnowBe4 is a market leader in security awareness training for employees in an office environment. However, when we asked people who finished the training what they thought, they said they ...

CyberheistNews vol 3,

CyberheistNews Vol 3, #7

Feb SANS Monthly Awareness Video

You may be familiar with our friends at SANS. For their 'Securing The Human' team, every month is security awareness month, same as here at KnowBe4. On the first of every month they post ...

IT security equals job security

Did you ever expect that our IT networks would be a worldwide battleground for highly sophisticated cyber warfare? IT security certainly will provide job security for the next decade or ...

CyberheistNews vol 3, #6

TODAY SPECIAL Kevin Mitnick On Home Shopping Network

Febuary 2, 2013 - Today, Kevin Mitnick is part of Home Shopping Network's TODAY SPECIAL! Kevin partnered with KnowBe4 to create security awareness training for employees in an enterprise ...

DHS disable your Plug And Play

Today, Jan 29 2013, the Department of Homeland Security advises computer users to disable Universal Plug and Play (UPnP), after researchers at Rapid7 alerted DHS that hackers could ...

Most Common Motivations Behind DDoS Attacks

Arbor networks Worldwide Infrastructure Security Report (WISR) shows that ideology is the primary attack motivation, followed by online gaming and vandalism. Click on the graphic to go to ...

CyberheistNews vol3, #05

Fake Apple Invoices

Internet criminals are getting more and more inventive with their social engineering attacks. Here are two examples of fake Apple invoices. The first is an example from the Sophos blog ...

CyberheistNews Vol3, #3


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