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

Passwords and Their Encryption Are Easy Prey for Cyber Criminals in Account Takeover Attacks

Passwords serve as the foundation for most security today. But security vendor SpyCloud have recovered over 3.5 billion credentials, demonstrating just how insecure they really are.

[Heads up] Ransomware V2.0 Is Set to Resurge As Your Insurance Now Pays Off The Ransom

Holy Smokes! Ransomware may be poised to return as a top scourge for companies, as more and more of them pay up—it's actually their insurance company that makes the payment—after an ...

Triton is the world’s most murderous malware, and it’s spreading

In the summer of 2017, a petrochemical plant in Saudi Arabia experienced a worrisome security incident that cybersecurity experts consider to be the first-ever cyber attack carried out ...

Negative Reviews as Strong-Arm Collection for Bogus Bills

Anyone who depends upon good public opinion can be vulnerable to orchestrated bad word-of-mouth, especially in the form of online reviews.

RSA’s Best Social Engineering News

KnowBe4 was at RSA 2019 this year with two booths, in both the North and South Hall. The show was humongous as usual and a torrent of news was released. I was there and it was a challenge ...

Georgia county pays a whopping $400,000 to get rid of a ransomware infection

Officials in Jackson County, Georgia, paid $400,000 to cyber-criminals this week to get rid of a ransomware infection and regain access to their IT systems. The County hired ...

809 Million Records Exposed By Email Marketing Giant. No Bueno.

I'm suffering from Data Breach Fatigue, how about you?

Cyber Criminals use Domino Effect Chain Attacks to Leverage One Compromised Bank to Infect the Next

New details from international security company Group-IB show how cybercriminals are no longer looking to just steal from one bank. Instead they chain their attacks to improve their ...

60% of Organizations Have No CSO or CISO, Putting Network Security at Risk

Recent data from Check Point Security’s Cyber Talk shows organizations are massively unprepared for attacks on network, mobile, and physical security.

Rietspoof Malware Attack Uses Messaging Apps to Distribute Ransomware

Researchers at antivirus vendor Avast have identified a new malware attack that leverages Skype, Facebook Messenger, and other messaging applications.

Malware Blindness in the Enterprise

A growing percentage of cyberattacks are using encryption to avoid detection, according to a new report by Zscaler’s ThreatLabZ researchers. Their report, summarized by Help Net Security, ...

Ins and Outs of Impersonation...and Kidnapping

Impersonation attacks and business email compromise (aka CEO fraud) can lead to far more dangerous consequences than monetary losses, according to Matt Devost from OODA LLC. Devost ...

KnowBe4 Technical Content Team Produces Tons Of Cool Stuff

I thought you might want to have an update on what kinds of content the KnowBe4's Technical Content team has been producing lately. (The picture here is Katie, our Technical Content ...

It Only Takes Minutes: Russians Go from Foothold to Privileged Access in Record Time

We think of data breaches as taking days or weeks. But with elevated access to move laterally around the network, a cybercriminal can accomplish much in just a matter of minutes.

FINRA Warns of New Phishing Attack Targeting Brokerage Firms

The latest warning from Financial Industry Regulatory Authority (FINRA) puts firms on notice of yet another tailored attack seeking to gain access to firms networks.

KnowBe4 Thrilled To Win Editor's Choice Anti-Phishing InfoSec Award 2019

“While nation-state exploitation, Cybercrime, Hacktivism, Cyber-espionage, Ransomware and malware exploits are all on the rise, KnowBe4 has won both the Editor's Choice Anti-Phishing ...

Fast-Changing Security Landscape May Render This Year's RSA Conference the "Most Human" Edition Ever

Tony Kontzer, a technology writer who blogs for the RSA 2019 conference observed: "While mind-blowing technological innovations are being demonstrated and perspective-shifting strategies ...

[Heads-up] 40 Percent Of Malicious URLs Found On Good Domains. YIKES!

Webroot revealed the results of their 2019 Threat Report, showing that tried-and-true attack methods are still going strong, but new threats emerge daily, and cybercrime is highly ...


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