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

Not news: Windows Store is full of scam apps

Paul Thurrott over at WindowsIT Pro wrote:

Workers At U.S. Nuclear Regulator Fooled By Phishing

Antone Gonsalves at CSO reported something that worries me, and this SHOULD NOT BE at this day and age.

Cryptolocker Being Spread On YouTube Ads

VirusBulletin reported that cyber criminals now spread around Cryptolocker / CryptoWall via YouTube. The cyber criminals purchase advertising space and use exploit kits to infect ...

Reveton Ransomware Adds Powerful Password Stealer

The Avast Blog reports a new "password stealer" feature in the Reveton ransomware. Reveton is the type of "police" lock/screen ransomware which falsely alerts users they've broken some ...

Hacking Into Traffic Lights With a Plain Old Laptop Is Scary Simple

Gizmodo reported yesterday about a new study from the University of Michigan on the vulnerabilities of traffic lights which is shocking proof that we need to make some major changes, and ...

Video: SQL Injection Explained In 5 Minutes

I was at Black Hat and left my email address at the Imperva booth. They sent me this and it's a very good little intro: "SQL injection attacks have been around for more than ten years … ...

CyberheistNews Vol 4, # 33 New Ransomware Threat: TorrentLocker

CyberheistNews Vol 4, # 33

Study: Cyber Attacks hit 36 percent of Canadian businesses

More than one-third of Canada’s IT professionals know – for sure – that they’d had a significant data breach over the previous 12 months that could put their clients or their ...

KnowBe4's Email Exposure Check Discovers Data Breach

You are probably aware of the free one-time Email Exposure Check Pro (EEC Pro) we can run for you. We find all the email addresses of your domain that are out there available on the ...

Phishing: 4.5 million Community Health patients records stolen

n">(Reuters) - Community Health Systems Inc, one of the biggest U.S. hospital groups, said it was the victim of a cyber attack that originated in China, resulting in the theft of ...

NSA's Monstermind Aims To Detect And Stop Cyber Attacks Instantly

WIRED magazine had the scoop, by directly talking to Edward Snowden recently. An NSA program known as MonsterMind, currently under development, is being designed to detect and stop cyber ...

New CryptoLocker copycat: TorrentLocker

iSIGHT partners discovered a new ransomware strain, which uses components of CryptoLocker and CryptoWall but underneath the surface, the code is completely different from these two ...

As Expected: Robin Williams 'Goodbye Video' Facebook Phishing Message

The scammers are at it, as expected. There is now a Facebook phishing message that invites users to click a link and see an "exclusive" video of Robin Williams saying goodbye through his ...

Tenn. Firm Sues Bank Over $327K Cyberheist

Scam Of The Week: See Robin Williams Last Words On Video

Last night, news broke that Robin Williams was found dead in his home in Marin County, CA. It is suspected that it was either a suicide or an overdose. This is a celebrity death that the ...

CyberheistNews Vol 4, 32 Scam: See Robin Williams Last Words On Video

CyberheistNews Vol 4, # 32

Ransomware: The next 12 months

Since September 2013, ransomware has become vicious and has inspired several copycats. At the time of this writing, summer 2014, the very first strains of second-generation ransomware ...

Security Companies Help Users Recover Files Locked by CryptoLocker

Researchers at FireEye and Fox-IT have managed to obtain the private encryption keys that the malware uses to lock files.

Kevin Mitnick at Black Hat 2014

I was at Black Hat 2014, and Kevin Mitnick was also at at the show. He signed 700 books in a 3-hour span, whew! Here is the line that ran all the way back to the show floor. I took this ...

Scam Of The Week: "For Sale: CyberVor False Sense Of Security"

Are the credentials of one of your users among the stash of the 1.2 billion stolen passwords? A small Internet security company will tell you for just a 120 bucks per year. Their ...


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