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

Phishing Targets Industrial Control Systems

Phishing continues to be a primary initial access vector in cyberattacks against industrial control systems, according to researchers at Dragos. Out of the fifteen threat groups tracked ...

Bogus FedEx and DHL Phishbait

Researchers at Armorblox describe an ongoing phishing campaign that’s using phony FedEx and DHL shipping notifications as phishing lures.

More NHS-Themed COVID-19 Vaccine Phishing

A phishing campaign spoofing the UK’s National Health Service has surged its output, Infosecurity Magazine reports. Researchers at Mimecast warn that the attackers behind the campaign are ...

[HEADS UP] Texas Electric Company Warns of Scam Involving Losing Power

With the recent weather crisis in Texas, victims are afraid their power could be cut off. One electric utility company in Texas warns of scams that are threatening customers that their ...

The First Documented Russian Hack in...1981?

I'm reading "Active Measures: The Secret History of Disinformation and Political Warfare" by Thomas Rid and wanted to share this story with you which was new to me! It's warmly ...

U.K. Phishing Attack Targets Those Seeking the COVID-19 Vaccine

This latest phishing scam impersonates the UK’s National Health Service, telling recipients that are eligible for the vaccine in order to collect valuable banking and credit card details.

Be on the Watch for W-2 Phishing Scams!

With tax season just around the corner, this simple, yet effective social engineering theme is perfect to get users to respond to phishing attacks exactly the way the bad guys want.

The Cybersecurity Book You Should Read

Recently Cyber Defense Magazine released the top 100 cybersecurity books and the top recommended book is one of our Top Faves as well.

Popular Car Company Becomes Next Target in $20 Million Dollar Ransomware Attack

In an unfortunate situation popular car company Kia Motors America recently made headlines of a possible ransomware attack and the company was demanded to pay $20 Million ransom from a ...

KnowBe4 Named a January 2021 Gartner Peer Insights Customers’ Choice for Security Awareness Computer-Based Training Across Three Categories

KnowBe4 is excited to announce that we have been recognized as a Customers’ Choice across three categories in the January 2021 Gartner Peer Insights ‘Voice of the Customer’: Security ...

KnowBe4 Adds New Language Localization Options to its Security Awareness Training and Simulated Phishing Platform

We are excited to announce the availability of KnowBe4’s new localization options for the Admin Console and Learner Experience. You can now set your default language for three ...

The DOJ Charged Two Alleged Members of North Korea’s Military Intelligence Services With a Scheme That Included Attempts to Steal $1.3 Billion Over the Past Half-Decade for Pyongyang

Two alleged members of North Korea's military intelligence services were accused of hacking banks and companies in the U.S. and several other countries. The grand total for this scheme is ...

Redirection to Zero Days

Malvertisers exploited a zero-day vulnerability in the browser engine used by Safari and other iOS apps, according to Eliya Stein at Confiant. The vulnerability, which was patched earlier ...

Bogus Bug Reports as Phishbait, Scams

Some bug bounty seekers are using extortionist or fear-mongering tactics in an effort to get paid for reporting trivial flaws, according to Chester Wisniewski at Sophos. He calls them ...

Microsoft Finds 80% of Organizations Encounter an Increase in Security Threats Due to Remote Workers

Learning from last year’s shift to a remote workforce can help dictate how operations should evolve. New data from Microsoft points at the need to better secure remote workers.

Microsoft: SolarWinds attack took more than 1,000 engineers to create

You may have missed this extremely interesting bit of data that ZDNet just published. "Microsoft reckons that the huge attack on security vendors and more took the combined power of at ...

Phishing and Impersonated Brands

Microsoft is still the most impersonated brand for phishing campaigns, according to researchers at Vade Secure. The security firm spotted 30,621 unique Microsoft-related phishing URLs in ...

A Ransomware Victim Refuses to Pay

Video game studio CD Projekt Red, makers of The Witcher series and Cyberpunk 2077, have disclosed a ransomware attack, WIRED reports. The attackers claimed to have stolen source code for ...


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