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

First Quarter 2017 Top-Clicked Phishing Email Subjects [INFOGRAPHIC]

KnowBe4 customers run millions of phishing tests per year, and we report frequently on the top-clicked phishing topics so that our customers know what the highest-risk phishing templates ...

[ALERT] You Want To Fix This MS-Word 0-day Threat Today

Monday night, researchers at Proofpoint sounded the alarm about a critical 0-day threat known as CVE-2017-0199 in Microsoft Word that allowed booby-trapped Dridex phishing attacks be sent ...

KnowBe4 March And April Feature Updates

Here is a quick update to show existing customers and people who have not subscribed yet which new features have been added to the KnowBe4 console these last few months, with more ...

Scammers Phishing for financial credentials on Twitter

Steve Ragan at CSO wrote: "Scammers are using Twitter as a vehicle to target people looking for customer support or asking general questions. They interject themselves into legitimate ...

Cybersecurity IQ: Americans Have Trouble Recognizing Phishing Attacks

A new Pew Research Center survey titled "What the Public Knows about Cybersecurity." tallied responses from 1,055 adults last year about their understanding of concepts important to ...

Hacking Compromised Brazilian Bank Top To Bottom

Now here is an IT hacking horror story for you! Kaspersky's blog tells the tale of a bank in Brasil who lost their full online presense and had all of its 36 domains, corporate email and ...

Which phishing emails fooled the most people? [INFOGRAPHIC]

Kevin Mitnick, our Chief Hacking Officer forwarded this great poster to me he found on Twitter today: "Which phishing emails fooled the most people?" Share it with your users!

KnowBe4 Is TampaBay's No.1 Midsize Best Place To Work 2017

I did not get much sleep last night. Too excited. Donna Winchester, Times Correspondent sent me an email yesterday that today at 5am the story would go live. What story?Where KnowBe4 ...

KnowBe4 Gets Top Award At InfoSecWorld Conference

Drum roll!!! We were given some great news last night and informed that we were honored with a top award from Black Book at the InfoSecWorld Conference in Orlando, FL. One of the nice ...

KnowBe4 Reports Record Q1 2017 Performance

Friday March 31, 2017 was the best day of my professional career. A "million-dollar day", highest-ever month and highest-ever quarter. A massive thank you to all our existing and new ...

New Cerber Ransomware Starts Evading Machine Learning

A new version of the Cerber ransomware family has adopted new techniques to make itself harder to detect by endpoint security software that uses machine learning for detection. It is now ...

Gigabyte Firmware Flaws Allow the Installation of Ransomware

Now, here is an interesting one. Gigabyte BRIX are very small computers, similar to Intel NUCs, that can be used to replace those bulky desktop towers. I am using Intel NUCs myself at the ...

Samas Ransomware Deletes Veeam Backups, And Maybe Yours Too...

This month, a user on the Atlanta-based 500 million-dollar backup company Veeam community forums reported that they were hit with Samas ransomware. I am giving you the short version here: ...

Scam Of The Week: The Evil Airline Phishing Attack

Our friends at Barracuda run their Email Threat Scanner over hundreds of thousands of customer mailboxes and discovered a highly effective phishing attack that tricks a whopping 90% of ...

SecureWorks Exposes Phishing Russian Hacker Gang APT28

Atlanta-based SecureWorks has a Counter Threat Unit which has been closely watching the Russian hacker gang APT28 over the last few years and released brand new research. This group of ...

KnowBe4 Appoints Former Gartner Research Analyst Perry Carpenter as Chief Evangelist and Strategy Officer

Perry Carpenter, former Research Director, Security & Risk Management and esteemed analyst at Gartner, has joined KnowBe4 as Chief Evangelist and Strategy Officer. As the provider of ...

Chinese Hackers Use Fake Cellphone Tower to Spread Android Banking Trojan

Check Point Software blogged about Chinese hackers who have taken smishing to the next level, using a rogue cell phone tower to distribute Android banking malware via spoofed SMS messages.


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