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

[Heads Up] Sophisticated Phishing Attack Uses New JavaScript Obfuscation Trick

Researchers at Juniper Threat Labs warn that phishing attacks are utilizing a new obfuscation technique to hide malicious JavaScript.

Protect Yourself from Job Termination Scams

ESET warns of a wave of phishing attacks informing employees that they’ve been fired or let go. The emails are designed to make the user panic and act quickly to see if they’ve actually ...

Protect Your Devices: Mobile Phishing Attacks Bypass Desktop Security Measures

Zimperium warns of a surge in phishing attacks specifically tailored for mobile devices. These attacks are designed to evade desktop security measures in order to breach organizations ...

Chinese Hackers Target Hospitals by Spoofing Medical Software

A Chinese government-backed hacking group is using fake medical software to compromise hospital patients' computers, infecting them with backdoors, keyloggers, and cryptominers.

Phishing Attack Leads to Lateral Movement in Just 48 Minutes

Researchers at ReliaQuest have published a report on a phishing breach in the manufacturing sector that went from initial access to lateral movement in just 48 minutes.

Warning: Russian Threat Actors Are Targeting Signal Accounts With Malicious QR Codes

Several Russian state-sponsored threat actors are using QR code phishing (quishing) to compromise Signal accounts, according to researchers at Google’s Threat Intelligence Group.

Phishing Kit Abuses Open Graph to Target Social Media Users

Researchers at Cyble warn that a phishing kit is abusing the Open Graph (OG) protocol to target social media users.

Phishing Attacks Increased by Nearly 200% in H2 2024

Phishing and malicious emails remained the primary vectors of infection during the second half of 2024, according to a new report from Acronis.

Spear Phishing is the Top Cyber Threat to the Manufacturing Sector

Spear phishing was the top cybersecurity threat to the manufacturing sector over the past six months, according to a report from ReliaQuest. These attacks accounted for 41% of ...

Protect Your Data: Russian Spear-Phishing Targets Microsoft 365 Accounts

Several Russian threat actors, including the SVR’s Cozy Bear, are launching highly targeted spear phishing attacks against Microsoft 365 accounts, according to researchers at Volexity.

New Research: Ransomware Data Extortion Skyrocketing

Data theft extortion attacks increased by 46% in the fourth quarter of 2024, according to a new report from Nuspire.

[POLL] Sam Altman: "I don't do Google searches anymore." How about you?

I'm doing a quick poll because I find myself exactly where Sam is. But I would love to understand how that is for us IT pros here. Hence.. a POLL I am hosting at LinkedIn. Deadline is a ...

New Phishing Campaign Targets The X Accounts of Politicians, Tech Companies, Cryptocurrency, And More

SentinelOne warns that a phishing campaign is targeting high-profile X accounts, including those belonging to US political figures, leading journalists, major technology companies, ...

Facebook Business Users Beware: Thousands Hit by New Phishing Scam

Check Point warns that a large-scale phishing campaign is targeting Facebook accounts with phony copyright infringement notices.

2024 Was a Record-Breaking Year For Ransomware

2024 saw the highest-ever amount of ransomware attacks, according to a new report from NCC Group.

Don’t Fall Victim: DeepSeek-Themed Scams Are on the Rise

Scammers are taking advantage of the newfound popularity of the China-based AI app DeepSeek, according to researchers at ESET.


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