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

Report: 85% of Ransomware Victims Get Taken Offline For A Week or More [INFOGRAPHIC]

New research reveals that the majority of ransomware victims (85 percent) had their systems taken offline for at least a week, costing businesses thousands in financial damage each day.

2016 Exceeds All Records in Numbers of Phishing Attacks

Year over year sustained growth in phishing campaigns produces yet another record number of attacks The Anti-Phishing Working Group (APWG) observed that 2016 ended as the worst year for ...

CyberheistNews Vol 7 #9 Survey: Most Hackers Break in Within Six Hours

CyberheistNews | KnowBe4

MySQL instances attacked by database blackmailers

Copycats delete databases without dumping them first. Internet-facing instances of the popular MySQL information store are being targeted by attackers following similar attacks on ...

Which User Will Infect Your Network With Ransomware?

We've got something really cool for you: the new Phishing Security Test v2.0! It's got several great new features, and sending simulated phishing emails to train your employees is a fun ...

Phishing Attack Uses Stuxnet Technology And Makes PCs Into Roombugs

Researchers have uncovered an advanced malware-based operation that siphoned more than 600 gigabytes from about 70 targets in a broad range of industries, including news media, and ...

Survey: Most Hackers Break In Within Six Hours

A recent survey of 70 professional hackers and penetration testers found that 60% of them take a maximum of just six hours to compromise a target. The research titled The Black Report, ...

CyberheistNews Vol 7 #8 Google: "Office Inbox Receives 6.2X More Phishing Than Your Inbox at Home".

CyberheistNews | KnowBe4

I just learned how to hoverboard... LOL 

[On-Demand Webinar] Forrester TEI™: Value of KnowBe4 Goes Beyond ROI

KnowBe4 recently commissioned Forrester to conduct a Total Economic Impact™ (TEI) study, examining the potential Return on Investment (ROI) enterprises might realize by implementing the ...

Hackers Demand $25K-$30K After Ransomware Attack Takes Down Bingham County Servers

BLACKFOOT — Bingham County officials are scrambling to rebuild parts of their computer infrastructure after a ransomware attack took down county servers on Wednesday. The Bingham County ...

7 Urgent Reasons For Creating A Human Firewall

I was at RSA 2017 in San Francisco last week, and apart from meetings with customers, VCs and the Press, I found a large amount of relevant security news. Out of the firehose of RSA data, ...

Google: "Office Inbox Receives 6.2X More Phishing And 4.3X More Malware Than Your Inbox At Home".

Google Research analyzed over a billion emails passing through Gmail, and the results were presented yesterday at the RSA security conference in San Francisco. Extremely interesting ...

[Heads-Up] First-Ever Russian Malicious Mac Macro Discovered

Appleinsider reported Feb 9, 2017: "Mac malware discovered in Microsoft Word document with auto-running macro", which was the second example of malware targeting macOS users this week. ...

Scam Of The Week: Valentine’s Day Phishing Attacks

It is time to remind your users that heartless con artists use social engineering tactics to trick people looking for love. The FBI's Internet Crime Complaint Center warns every year that ...

[ALERT] DynA-Crypt Ransomware Steals And Deletes Your Data

Our friend Larry Abrams at Bleepingcomputer alerted the world about a new strain of ransomware called DynA-Crypt that was put together using a malware creation kit by people that are not ...

CRYSIS Ransomware Is Back And Uses RDP Brute Force To Attack U.S. Healthcare Orgs

Remember the CRYSIS ransomware? The attacks started up again, mostly targeting US healthcare orgs. using brute force attacks via Remote Desktop Protocol (RDP). The number of attacks has ...

How Hacking Became Russia’s Weapon of Choice

A study by the World Bank stated that Russia boasts more than 1 million software specialists involved in research and development. Russian illegal cyber warriors are among the most ...


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