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

[InfoGraphic] The Most Used InfoSec Words In 2014

We took almost 25,000 Hackbusters #infosec articles from 100+ feeds in 2014 and tabulated the hot topics. This "word-cloud" infographic is the result! What's Really The #1 Hot InfoSec ...

New Ransomware called KEYHolder from CryptorBit Cybergang

Bleeping Computer had the scoop again: " A new ransomware has been released called KEYHolder that is from the same developers of CryptorBit . Like CryptorBit, this infection encrypts your ...

CyberheistNews Vol 4 #48 Spike In Hoax News Spreading Malware

CyberheistNews Vol 4 #48 Dec 16, 2014

Breaking News 2 New Ransomware Strains

#1 OphionLocker The first one is a new strain of ransomware named OphionLocker. It encrypts your data using strong open source Crypto++ Elliptical Curve Cryptography and then ransoms the ...

Experts: The Human Factor Key Challenge To Information Security

The lack of awareness and understanding of risks is one of the biggest challenges to information security, according to a panel of experts. Research showed that 93% of data breaches ...

Ransomware Beats APT In Terms Of Severe Impact

MalwareBytes Research showed that in the year 2014, 82% of companies were attacked online. Their research also showed that browser vulnerabilities will be the biggest challenge going ...

Phishing Quiz: Can You Spot A Scam? Don't Be So Sure

Phishing Quiz: Can You Spot A Scam? Don't Be So Sure CBSNews wrote: "Phishing emails have gotten so convincing that even the experts can be taken in by a well-crafted fake. That's what ...

Scam Of The Week: Spike In Hoax News Spreading Malware

The year 2014 has seen a boom on hoax news stories, as these are particularly successful social engineering tactics used by hackers to get people to click on links, and worse, share the ...

Ransomware on National Public Radio: To Pay Or Not To Pay?

Aarti Shahani, the tech reporter of National Public Radio created a compelling story about the scourge of ransomware that is taking over America. The title of the story is:

eWeek Alerts IT Pros About Self-Replicating Ransomware

Wayne Rash at eWeek picked up on the virRansom news and explained to his readers that this is a nasty new hybrid ransomware strain that needs to be protected against rather sooner than ...

CyberheistNews Vol 4 #47 New Hybrid Ransomware Replicates Like A Virus

Heads Up! New Hybrid Ransomware Replicates Like A Virus Here is a powerful piece of ammo to get (more) IT Security budget. SophosLabs labs' blog reported about a new Ransomware strain ...

How Was Sony Pictures Hacked?

Kevin Mandia, who was hired as the forensics expert wrote in a letter to Sony's CEO that the breach was unprecedented, well-planned and carried out by an "organized group". It's the most ...

Phishing Lessons Learned in 2014? Employee Training Matters

Our friends at Wombat created a good summary why security awareness training is a must these days. Why?

Top 10 InfoSec Pain Points

Shipping Problem Phishing Attacks Here Is How They Look

Last CyberheistNews issue, we warned that Black Friday and Cyber Monday were behind us, and that criminal hackers have a "scam calendar" which focuses on major shopping events exactly ...

Heads Up! Nasty New Hybrid Strain: The AIDS of Ransomware

Here is a powerful piece of ammo to get (more) IT Security budget.

Sony The First To Be Hit With Destructive Payload

Sony has been hacked several times, and should have learned their lesson a while ago, but no. This time it is really bad though. Late yesterday the FBI warned U.S. business that the ...

Savvy Hackers Use Spearphishing to steal Wall Street M&A info

What if you knew beforehand about mergers and acquisitions, and could trade with that inside information? Well that's been going on for more than a year.

Scam Of The Week: "Shipping Problem"

We have Black Friday and Cyber Monday behind us. After losing ground to online competitors, brick-and-mortar retailers have struck back with incredible online deals. Wal-Mart said ...

Homeland Security: Security Education Deterred Cybercrime

Homeland Security Today has a good article which explains that cybersecurity education, including employee training and awareness programs, is vital in deterring cybercrime. The ...


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