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

Threat Actors are Using Image-Based Phishing Emails to Lure Victims

Attackers are increasingly using images in phishing to evade text-based security filters, according to researchers at INKY.

Japan's Largest Port is the Latest Victim of a Ransomware Attack

The largest port in Japan, Nagoya, is now the most recent victim of a ransomware attack.

CyberheistNews Vol 13 #27 [Heads Up] Massive Impersonation Phishing Campaign Imitates Over 100 Brands and Thousands of Domains

CyberheistNews Vol 13 #27 | July 5th, 2023 [Heads Up] Massive Impersonation Phishing Campaign Imitates Over 100 Brands and Thousands of Domains A year-long phishing campaign has been ...

KnowBe4 Named a Leader in the Summer 2023 G2 Grid Report for Security Orchestration, Automation, and Response (SOAR)

We are excited to announce that KnowBe4 has been named a leader in the Summer 2023 G2 Grid Report for Security Orchestration, Automation, and Response (SOAR) for the PhishER platform for ...

KnowBe4 Named a Leader in the Summer 2023 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 ...

The Better Business Bureau Warns of Process-Server Phishbait

The Better Business Bureau (BBB) has warned of a scam in which attackers pose as process servers in order to steal information and commit identity theft.

[FREE Resource Kit] July Is Ransomware Awareness Month

July is Ransomware Awareness Month, and we’ve got you covered with free resources!

Your KnowBe4 Fresh Content Updates from June 2023

Check out the 34 new pieces of training content added in June, alongside the always fresh content update highlights, events and new features.

Use of Crypto Mining Pools to Launder Ransom Funds Grows 100,000% Over 5 Years

New analysis shows sources of cryptocurrency being placed into mining pools with huge deposits that make it easier for cybercriminals to make their ransom funds untraceable.

HTML Files Top the List as the Most Commonly Used Malicious Attachment

As executables and scripts are unable to bypass security solutions as attachments, cybercriminals turn to HTML as a means of obfuscation and malicious execution.

Iranian Threat Actor Charming Kitten Using Spear Phishing Campaign To Distribute Malware

The Iranian threat actor Charming Kitten is launching sophisticated spear phishing attacks to distribute a new version of its POWERSTAR malware, according to researchers at Volexity.

The face of 2023's cyber-threat landscape was an alarming surge in ransomware and phishing attacks

When KnowBe4 went public in April 2021, I got to know a select group of analysts that served as co-managers on our IPO. These professionals all know our industry very well and we spoke ...

Newly Discovered Phishing Attacks Target Bank Customers

First National Bank has warned of an increase in phishing and smishing attacks, IT-Online reports.

National Cyber Security Centre Notes UK Law Firms are Main Target for Cybercriminals

In the most recent Cyber Threat report from the National Cyber Security Centre (NCSC), it is clear that UK law firms are a gold mine for cybercriminals.

Massive Impersonation Phishing Campaign Imitates over 100 Brands and Thousands of Domains

A year-long phishing campaign has been uncovered that impersonates 100+ popular clothing, footwear, and apparel brands using at least 10 fake domains impersonating each brand.

CyberheistNews Vol 13 #26 [Eyes Open] The FTC Reveals the Latest Top Five Text Message Scams

CyberheistNews Vol 13 #26 | June 27th, 2023 [Eyes Open] The FTC Reveals the Latest Top Five Text Message Scams The U.S. Federal Trade Commission (FTC) has published a data spotlight ...

Russian Threat Actor Targets Ukraine Government And Military With Spear Phishing Emails

Russia’s APT28 (also known as “Fancy Bear” or “BlueDelta”) is using spear phishing to compromise Ukrainian government and military entities, according to researchers at Recorded Future. ...

New Singapore Cyber Landscape 2022 Report Shows Russia-Ukraine Conflict, Phishing and Ransomware Attack Increases, and Much More

The “Singapore Cyber Landscape (SCL) 2022” reviews Singapore’s cybersecurity situation in 2022 against the backdrop of global trends and events, and highlights Singapore’s efforts in ...

New Cryptocurrency Coinbase Phishing Campaign Uses Social Engineering

A phishing campaign is impersonating cryptocurrency trading platform Coinbase, Tech.co reports. Crypto trader Jacob Canfield described the campaign in a Twitter thread, stating that the ...

SolarWinds' Head Refuses to Back Down Amid Potential US Regulatory Action over Russian hack. CISO Gets Wells Notice

According to an internal email obtained by CNN, the CEO of SolarWinds informed employees on Friday that the company plans to vigorously defend itself against potential legal action from ...


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