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

The U.S. Government Blaming Cyber Attacks on Russia May Cost One Business $100 Million

Governments attributing cyberattacks to specific countries usually ends in nothing more than a line in a news story. But sometimes these kinds of claims can have unforeseen consequences.

[Heads-up] Are Any Of Your Users Exposed In This Brand New Humongous Data Breach?

Troy Hunt, the site admin of Have I Been Pwned just released some disconcerting news. A new data breach of humongous proportions has just been made public, we are talking astronomical ...

What Does KnowBe4 Think About Link Re-writing?

This is a question that was asked by a customer who was implementing our Phish Alert Button so that employees could report phishy emails.

Modern Ransomware Goes After Data Backups

Ransomware is using a variety of methods to reduce or nullify the effectiveness of data backups, writes Maria Korolov at CSO. Restoring from a backup is one of the best strategies that ...

The Top 10 Big Risk Picture From Way High Up

What keeps you up at night? These are the biggest risks facing our world in 2019. Top world leaders were surveyed for the latest edition of the World Economic Forum's Global Risks Report. ...

Increase in Office 365 Attacks and Data Breaches Should Be Expected as We Approach the 2019 Tax Season

Experts warn of uptick in phishing attacks against businesses leveraging Office 365 as the tax season begins, tensions run high, and opportunities to trick off-guard users will be plenty.

[THIS IS NOT A DRILL] KB4 Training Template Used As Phishing In The Wild

It's a known fact that once your market share is big enough, the bad guys are going after you. Used to be that viruses and malware were only developed for Windows, but when Apple got to ...

Brand-New Tool: Password Exposure Test Identifies Risky Users

Cybercriminals are constantly coming out with new ways to hack into your network and steal your organization’s confidential information. According to the 2018 Verizon Data Breach Report, ...

Awareness Training is the Key to a Culture of Security

Here’s a follow-up to an earlier post of ours, with amplification of points well-worth making.

Scam Of The Week: "When Users Add Their Names to a Wall of Shame"

Eric Howes, KnowBe4 Principal Lab Researcher, found out about another insidious bad guy trick: "If you work in IT there has undoubtedly come a dark moment when you wondered to yourself ...

Your Boss NEEDS To Read This WSJ Article About Our Power Grid And How The Russians Hacked It With Phishing

In a Jan 10, 2019 article, the Wall Street Journal reconstructed the worst known hack into the USA's power grid revealing attacks on hundreds of small contractors.

Email Security Gap Analysis: Survey Finds Phishing Is The No. 1 Attack That Worries IT Pros Most

There are a few companies that frequently report on so-called "email security gap analysis" numbers: Mimecast, Proofpoint and Cyren. They are all IT security companies that have email ...

Finra punishes former Schwab broker for lying about role in $800,000 CEO Fraud scam

A former broker for Charles Schwab & Co.was fined $5,000 and suspended for 90 days by Finra for lying to Schwab about a CEO Fraud attack in which he wired nearly $800,000 to someone ...

New Data Suggests that Negligent Employees May Be the Reason Data Breaches are So Successful

When it comes to root causes of data breaches, it’s not your firewall, your endpoint protection, your antivirus, nor your patching that’s failing you; it’s your employees.

Banking Cyber Heists Celebrate Their 25th Birthday!

2019 marks the 25th anniversary of the very first cyber-heist, netting one of the first cybercriminals $10 million from Citibank. The tactics have changed, but the target hasn’t.

Lowlife Scammers exploit Sick Children in Latest Ransomware Attack

The outrageous attack combination of ransomware, claims to donate to charity, and even details of children’s names, diagnoses, and pictures proves there is no low cybercriminals won’t go ...

Ohio’s New Data Security Law Seeks to Minimize the Risk of Data Breach Impacting Insurers and Their Customers

Following in the footsteps of North Carolina, the new Ohio law looks to regulate the cybersecurity practices, reporting, and notifications of its insurance industry.

It Only Takes 1 Phish: “Unremarkable” Phishing Attack Results in a Breach in the European Union’s Diplomatic Communications Network

A three-year-long cyber-attack led to the successful breach of the all communications between all EU member states, putting countries and their futures at risk.

The Dark Overlord Ransoms 9/11 Files Showing How Law Firms Can be at Risk of Data Breach

The actions by the cybercriminal organization The Dark Overlord demonstrate how law firms need to take data security and cyber readiness seriously.


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