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

AI in 2024: The Top 10 Cutting Edge Social Engineering Threats

The year 2024 is shaping up to be a pivotal moment in the evolution of artificial intelligence (AI), particularly in the realm of social engineering. As AI capabilities grow ...

Your KnowBe4 Fresh Content Updates from December 2023

Check out the 36 new pieces of training content added in December, alongside the always fresh content update highlights, events and new features.

Impersonation Attack Data Breaches Predicted to Increase in 2024

With so much of an attack riding on a cybercriminals ability to gain access to systems, applications and data, experts predict the trend of rising impersonation is only going to get worse.

U.K. Government 'Ill-Prepared' to Deal With High Risk of Catastrophic Ransomware Attacks

A new report from the U.K. government’s Joint Committee on the National Security Strategy (JCNSS) outlines both just how likely an attack on critical national infrastructure is and where ...

[Heads Up] SMTP Smuggling - How It Easily Circumvents Your Email Defenses

A newly-discovered technique misusing SMTP commands allows cybercriminals to pass SPF, DKIM and DMARC checks, allowing impersonated emails to reach their intended victim.

Ransomware Attacks Rise 85% Compared to the Previous Year

With November demonstrating multiple increases when compared to various previous time periods, new data signals that we may be in for a bumpy ride in 2024.

Cyber Scammers Beef Up the Number of Fake Delivery Websites Just in Time for Christmas

Cybersecurity researchers at Group-IB have identified a single scam campaign leveraging over 1500 websites impersonating postal carriers and shippers leading up to Christmas this year.

Nice! I Made it in The Top 25 Cybersecurity CEOs to Watch in 2024

The CyberExpress is a VC-backed cyber security news mag that provides the latest news and analysis about the information security industry. They published an article December 20, 2023 ...

The AI Threat: How America's 2024 Election Could Be Compromised

I found an interesting article at THE HILL that discusses the rising concerns about how AI might influence the upcoming U.S. 2024 elections.

SC Mag: "Attacks on critical infrastructure are harbingers of war: Are we prepared?"

I just found a great post by Morgan Wright, chief security advisor of SentinelOne. Here is a quick summary and a link to the full article is at the bottom. The recent attacks on water ...

Missing the Lock Icon in Chrome’s Address Bar? It’s a Move to Make You More Secure

In response to what Google calls “over trust” in the web address lock icon to indicate that a site is authentic and its’ communications are secure, they’ve swapped the lock out in an ...

Underground Cyber Crime Marketplaces are Now Showing Up on the Open Web

Marketplaces such as OLVX are shifting from the dark web to the open web to take advantage of traditional web services to assist in marketing to and providing access to new customers.

Interest in AI-Generated ‘Undressing’ Increases 2000% as it Becomes a Mainstream Online Business

The advent of non-consensual intimate imagery (NCII) as a monetized business on the Internet has shifted pornography into the realm of undressing anyone you like.

Cancer Center Patients Become Attempted Victims of Data Extortion

Cybercriminals of the lowest kind breached as many as 800,000 patients and then sent emails threatening to sell their data if they didn’t pay a fee to block it from selling.

“Mr. Anon” Infostealer Attacks Start with a Fake Hotel Booking Query Email

This new attack is pretty simple to spot on the front, but should it be successful in launching its’ malicious code, it’s going to take its victims for everything of value they have on ...

New Remote “Job” Scam Tells Victims They'll Get Paid For Liking YouTube Videos

Researchers at Bitdefender warn that scammers are tricking victims with fake remote job opportunities. In this case, the scammers tell victims that they’ll get paid for liking YouTube ...

Holiday Scams Include Thousands of Impersonation Phishing Domains per Brand

Midstride in this year’s holiday shopping, it’s important to realize just how many websites exist that impersonate legitimate online retailers. More importantly, your users need to know ...

Unique Malware Used in Cyber Attacks Increases by 70% in Just One Quarter

As more cybercriminal gangs continue to enter the game, the massive increase in unique types of malware means it will become increasingly difficult to identify and stop attacks.


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