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

SEC Fines Publicly Traded Company $2.125 Million For Negligence Before, During, and After a Ransomware Attack

According to the filing, the organization in question failed to devise controls to adequately detect, respond to, and disclose an attack that included data exfiltration and service ...

Espionage-Intent Threat Groups Are Now Using Ransomware as a Diversion Tactic in Cyberattacks

A new report focused on cyber espionage actors targeting government and critical infrastructure sectors highlights the strategic use of ransomware for distraction or misattribution.

IRS Warns of Phishing Attacks Targeting Car Dealerships

The US Internal Revenue Service (IRS) has issued an advisory warning of phishing campaigns targeting car dealerships. The IRS says car dealers should be on the lookout for targeted ...

From Reactive to Proactive: Cyber Insurance is Driving Optimal Security Investments for Organizations

New data shows that only 3 percent of organizations are solely relying on their current cyber defenses when adding on cyber insurance, indicating that organizations are beginning to ...

Phishing Continues to Be the Primary Entry to Ransomware Attacks

Phishing remains a top initial access vector for ransomware actors, according to researchers at Cisco Talos. The threat actors often use phishing to steal legitimate credentials so they ...

[On-Demand Webinar] Crack the Code on Ransomware: Empowering Your Last Line of Defense

Cybercriminals are maximizing the potential damage to your organization to boost their profits. A staggering 91% of reported ransomware attacks included a data exfiltration effort. Now is ...

[Warn Your Users] High Scam Risk After Failed Trump Assassination

Pictures of Donald Trump rushed from a campaign stage, his cheek brushed with blood from an assassination attempt, are an unsettling shock.

Phishing Attacks Against State and Local Governments Are Surging

Researchers at Abnormal Security have observed a 360% increase in phishing attacks against state and local government entities over the past year.

Russian Spear Phishing Campaigns Target NATO Entities

Researchers at Mandiant (part of Google Cloud) warn that Russian government threat actors continue to target NATO member countries with spear phishing attacks. APT29 in particular has ...

Dodgy New Phishing Platform Targets Microsoft 365 Accounts at Financial Firms

Analysis of the latest phishing-as-a-service (PhaaS) platform ONNX Store highlights just how successful these platforms can be.

Amazon-Related Scams Spike Ahead of Prime Day

Researchers at Check Point observed more than a thousand newly registered malicious or suspicious web domains related to Amazon last month. The criminals are likely gearing up to target ...

Phishing Attacks Target High Profile YouTube Accounts

Researchers at ESET warn of phishing attacks that are attempting to hack high-profile YouTube channels in order to spread scams or malware.

Travelers Beware: Booking.com Warns of Increases in AI-Enabled Travel Scams

In an interview at the Collision technology conference in Toronto, Booking.com’s CISO sounds the alarm on what she calls “supercharged artificial intelligence (AI) scams.”

[Live Demo] Ridiculously Easy Security Awareness Training and Phishing

Old-school awareness training does not hack it anymore. Your email filters have an average 7-10% failure rate; you need a strong human firewall as your last line of defense.

State-Sponsored Phishing Campaigns Target 40,000 VIP Individuals

Researchers at Menlo Security discovered three state-sponsored phishing campaigns that have targeted 40,000 important individuals over the past three months. “In a recent 90-day period, ...

Phishing Attacks Themed Around Popular Weight Loss Drugs Increase 183%

As popularity grows for these proven methods of weight loss, scammers have taken note and have placed a significant focus on separating victims from their money.

New “Paste and Run” Phishing Technique Makes CTRL-V A Cyber Attack Accomplice

A new phishing campaign tries to trick email recipients into pasting and executing malicious commands on their system that installs DarkGate malware.

Ransomware Attack on U.K. Health Service Laboratory Disrupts Major London Hospital Services

What likely started as a quick ransomware “smash and grab” has turned into a headline case resulting in responses from both U.K. and U.S. law enforcement.


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