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

Ransomware-as-a-Service is Organizing, Becoming More Devastating and Costly

Take a look at the complex relationships that exist today between the ransomware gangs and the various services they utilize, and you quickly realize this is a very organized and ...

The FBI’s Internet Crime Complaint Center Marks Its 6 Millionth Complaint as Pace Accelerates

The rate at which cyberattacks are increasing are being noticed by both their victims and the FBI, who are seeing more people affected by online crimes and scams.

Credential Stuffing the Financial Services Sector

Credential stuffing in the financial services industry has risen significantly over the past year, according to Akamai’s latest State of the Internet / Security report. Credential ...

When Cryptocurrency Investments Really Are Too Good To Be True

The US Federal Trade Commission (FTC) reports that victims have lost more than $80 million in cryptocurrency scams since October of last year, with about $2 million of that total going to ...

Transparent Tribe Uses Spoofed Domains in Social Engineering Attacks

Researchers at Cisco Talos warn that the threat actor known as “Transparent Tribe” (also known as APT36 and Mythic Leopard) is using spoofed websites and malicious documents to deliver ...

[NEW PhishER Feature] Flip the Script on Phishing Emails with PhishFlip

We are excited to announce the availability of PhishFlip™ as part of the PhishER product to all PhishER customers.

Ransoms Increase 43% as More Ransomware Attacks Include the Threat to Leak Exfiltrated Data

With average payments rising to over $220K, organizations scramble to stop ransomware attacks as gangs begin taking more advantage of software vulnerabilities as their attack vector.

Healthcare Organizations Should Expect Cyber Insurance Premiums to Increase 25 to 50% This Year

In light of recent upticks in payouts – particularly around ransomware – cyber insurers are better understanding the risk and are adjusting rates accordingly.

Kicking You While You’re Down: Ransomware Attacks Begin to Adopt a “Triple Extortion” Model

New tactics spotted by security researchers at CheckPoint indicate a growing pattern by ransomware gangs to use additional extortion actions to increase revenues and ensure payment.

Ransomware Attack Demands Cause Cyber Insurance Claim Amounts to Skyrocket

The perfect storm of large enterprises, cyber insurance policies, successful ransomware attacks, and ransom demands in the tens of millions now consistently result in seven-figure claim ...

New Verizon DBIR: Credentials Stolen in 85% of Social Engineering Breaches

Verizon’s latest data breach report puts a spotlight on one of the largest and most unpredictable risk factors in your cybersecurity strategy – your users.

FBI Finds Phishing Sites Abusing Search Results and Ads to Steal Banking Credentials

The US Federal Bureau of Investigation has sent out a private industry notification (PIN) warning that cybercriminals are using search engine ads and search results to spread phishing ...

A  New Smishing Trojan is Out and About

Researchers at Pradeo have observed a new Android malware campaign that uses text messages asking victims to pay a small fee for a delivery. The messages contain a link that will install ...

New QuickBooks-Themed Phishing Attack Seeks to Infect Victims with Dridex Malware

Purporting to be invoices and payment reminders, this new campaign targets users of the popular accounting software to install the banking trojan on its victims endpoints.

Email-Based Threats Increase 64% as Attacks Grow in Sophistication and Volume

New data from Mimecast shows how email-based threats are not only the greatest perceived concern, but are proving to be the reason for increased experienced attacks.

Phishing Scammers Remove ‘External Sender’ Email Warnings Impersonating Internal Users

With little more than some CSS and HTML coding, a security researcher demonstrates how easy it is to eliminate security warnings placed on email messages by security products.

Wine-Themed Phishing Attacks Have Turned Sour During the Pandemic

Scammers took advantage of people’s desire to order wine online during the pandemic, Decanter reports. Researchers at Recorded Future disclosed in a recent report that wine-related ...

Huge Business Email Compromise Campaign Targets More Than 120 Organizations

According to Bleeping Computer, Microsoft reported that a large business email compromise (BEC) campaign has targeted dozens of organizations. The industries targeted varied from real ...


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