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

New Malvertising Campaign Impersonates Google Authenticator

Researchers at Malwarebytes spotted a malvertising campaign that abused Google Ads to target people searching for Google Authenticator.

KnowBe4 Honors the World Famous Hacker for the First National Social Engineering Day

On August 6th, 2024, we celebrate National Social Engineering Day – a new national day established by KnowBe4 and officially recognized by the National Day Calendar. The day aims to ...

Brand Impersonation of Microsoft Increases 50% in One Quarter

The use of the Microsoft brand in phishing attacks demonstrates both its widespread credibility as well as the continued success of attacks leveraging it.

Your Users Still Fall For Phishing Attacks Because of URL Shorteners

Analysis of current phishing attacks by security researchers have uncovered an increase in the use of trusted shortlink services.

Prisoner Swap Includes Russian Hackers and KGB Assassin

Included among the U.S. prisoners being sent back to Russia in the swap are two prominent convicted hackers, both of whom were serving lengthy sentences, and a KGB assassin.

Global Cyber Attacks See Highest Increases in the Last Two Years

New analysis of Q2 2024 cyber attacks shows the number of attacks experienced weekly by organizations globally is on the rise.

New Research: Smaller Companies Receiving Higher Rates Of Phishing Emails

Researchers at Barracuda have found that smaller companies tend to receive a higher rate of phishing attacks spread across the organization, according to a report looking at the phishing ...

KnowBe4 Named a Leader in the Summer 2024 G2 Grid Report for Security Orchestration, Automation, and Response (SOAR) Software

We are excited to announce that KnowBe4 has been named a leader in the Summer 2024 G2 Grid Report for Security Orchestration, Automation, and Response (SOAR) for the PhishER platform for ...

Half of Travel-Themed Spam Emails Are Scams

Researchers at Bitdefender have found that half of all travel-themed spam emails contain scams.

The First Half of 2024 Results in More Than 1 Billion Data Breach Victims

New data shows that cyber attacks have resulted in double the number of data breaches in 2024 than throughout all of 2023.

KnowBe4 Named a Leader in the Summer 2024 G2 Grid Report for Security Awareness Training

We are thrilled to announce that KnowBe4 has been named a leader in the latest G2 Grid Report that compares security awareness training (SAT) vendors based on user reviews, customer ...

Organizations Prepare for More Evolved AI-Based Cyber Attacks as Deepfakes Become Top Concern

New data on how the threat of AI in cyber crime is being seen as a growing risk provides insight into how organizations are shifting from reaction to prevention.

New Phishing Kit Uses Voice Call Generator to Impersonate Spanish Banks

A new cybercriminal group is selling “a sophisticated AI-powered phishing-as-a-service platform” that targets 36 Spanish banks, according to researchers at Group-IB.

Fortune 50 Ransomware Victim Pays an Eye-Watering $75 Million

The Dark Angels ransomware group got paid a staggering $75 million ransom from an undisclosed Fortune 50 victim.

Scammers Exploit Interest in Generative AI Tools

Researchers at Palo Alto Networks’s Unit 42 are tracking phishing attacks exploiting interest in generative AI tools. The researchers observed spikes in suspicious domain registrations ...

The 2024 Olympics Offers Plenty of Opportunity For Online Scammers

Fortinet’s Threat Intelligence Report covering the Paris Olympics provides some very detailed coverage of how threat actors are taking advantage of individuals and organizations who have ...

QR Code Phishing is Still on the Rise. The SEG is Dead.

Organizations need to be aware of the threat posed by QR code phishing (quishing), according to researchers at Trend Micro.

Nearly All Ransomware Attacks Now Include Exfiltration of Data…But Not All Are Notified

Organizations are falling victim to ransomware attacks where data is stolen, but the victim isn’t being told about it. I have a theory as to why this is happening.


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