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

Coinbase Attack Used Social Engineering

Coinbase describes a targeted social engineering attack that led to the theft of some employee data. The attacker first sent smishing messages to several Coinbase employees, urging them ...

A Special Case of Business Email Compromise

Cloudflare warns that business email compromise (BEC) phishing has assumed a new form: vendor email compromise (VEC). The classic BEC case involves the impersonation of someone within an ...

CyberheistNews Vol 13 #08 [Heads Up] Reddit Is the Latest Victim of a Spear Phishing Attack Resulting in a Data Breach

CyberheistNews Vol 13 #08 | February 21st, 2023 [Heads Up] Reddit Is the Latest Victim of a Spear Phishing Attack Resulting in a Data Breach There is a lot to learn from Reddit's recent ...

Corporate Transitions Represent Times of Heightened Danger

When should organizations be on guard against social engineering? Always, of course, but there are certain times when they should be especially alert. A study of cyberattacks has found ...

[HEADS UP] Russian Hacker Group Launches New Spear Phishing Campaign with Targets in US and Europe

The Russian-based hacking group Seaborgium is at it again with increased spear phishing attacks targeting US and European countries in the last year.

[INFOGRAPHIC] 9 Cognitive Biases Hackers Exploit the Most

Cybersecurity is not just a technological challenge, but increasingly a social and behavioral one.

New Survey Reveals Employees are the Attack Surface

A survey by Tanium has found that IT security professionals in the UK say that 64% of avoidable cyber attacks are due to human error, which usually involves falling for phishing attacks. ...

Reddit is the Latest Victim of a Spear Phishing Attack Resulting in a Data Breach

There is a lot to learn from Reddit's recent data breach, which was the result of an employee falling for a “sophisticated and highly-targeted” spear phishing attack.

FTC: Romance Scams Cost U.S. Victims a Total of $1.3 Billion

Seemingly repeating the previous year, the FTC’s latest report highlights that nearly 70,000 people reported being the victim of a romance scam last year.

Deepfake Crackdown After 4Chan Users Make Celebrity Voices Say Racist, Transphobic, and Violent Things

As deepfake technology continues to improve, creators of deepfake technology seek to lock down and safeguard the use of their technology after inappropriate use shows up on the web.

Cybercriminals are Using Geotargeted Phishing to Target Victims

Attackers are abusing a legitimate service called “GeoTargetly” to launch localized phishing attacks, according to Jeremy Fuchs at Avanan. GeoTargetly is meant to be used by advertisers ...

CyberheistNews Vol 13 #07 [Scam of the Week] The Turkey-Syria Earthquake

CyberheistNews Vol 13 #07 | February 14th, 2023 [Scam of the Week] The Turkey-Syria Earthquake Just when you think they cannot sink any lower, criminal internet scum is now exploiting the ...

Spear Phishing Attacks Increase 127% as Use of Impersonation Skyrockets

Impersonation of users, domains, and brands is on the rise, as is the use of malicious links, in response to security vendors improving their ability to detect malicious attachments.

U.K. Citizens See 82% Increase in Advanced Fee Scams in the Last Year

In the wake of the rising cost of living, new scams targeting those in less-than-optimal financial situations based on “deprived” areas throughout the country.

Hackers Work Around ChatGPT Malicious Content Restrictions to Create Phishing Email Content

Active discussions in hacker forums on the dark web showcase how using a mixture of the Open AI API and automated bot from the Telegram messenger platform can create malicious emails.

Be Wary of Survey Scams

Online surveys are too often scams designed to steal personal or financial information, warns Phil Muncaster at ESET. Muncaster explains that these surveys are usually distributed via ...

[HEADS UP] If You're a Fan of 'The Last of Us' You May be Targeted for These Campaigns

The success of the TV adaption of this PlayStation game 'The Last of Us' has been a huge hit for fans. Unfortunately, this new series has attracted bad actors to exploit for their own ...

[Scam Of The Week] The Turkey-Syria Earthquake

Just when you think they cannot sink any lower, criminal internet scum is now exploiting the recent earthquake in Turkey and Syria.

Thinking Critically About Your Online Behavior

Employees need to adjust their mindsets in order to defend themselves against social engineering attacks, according to Jonathon Watson at Clio. In an article for Dark Reading, Watson ...


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