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

Phishing Attacks See Massive Increases and Improvements in Execution with Social Engineering at the Helm

With 98% of malicious emails that hit inboxes containing no malware, the evolution and future of the phish lies squarely in the hands of effective social engineering.

Manufacturing giant Aebi Schmidt hit by ransomware

Aebi Schmidt, a European manufacturing giant with operations in the U.S., has been hit by a ransomware attack, TechCrunch has learned.

PayPal receives patent for ransomware detection technology

The United States Patent and Trademark Office has granted this week a patent to online payments company PayPal for a technique for detecting and stopping ransomware attacks.

Evil TeamViewer Attacks Under the Guise of the U.S. State Department

A targeted, email-borne attack against embassy officials and government finance authorities globally is making use of a malicious attachment disguised as a top-secret U.S. document. It ...

Why Ransomware Continues to Be an Immensely Profitable Business for Bad Actors

Ransomware, arguably the most efficient malware used by cybercrooks in recent years, continues to wreak havoc on a global scale, affecting everyone and everything, from regular Internet ...

Spearphishing Boils Down to Basic Social Engineering

While spearphishing attacks may employ various tactics and tools, they all rely on the same underlying human weaknesses to achieve their goals, according to Asaf Cidon from Barracuda ...

Social Engineers Earn a First

A study by nonprofit research company Jisc and the UK’s Higher Education Policy Institute (HEPI) found that 100 percent of spear phishing tests against universities were able to gain ...

Florida Spearphishing: Meddle Globally, Phish Locally

Russian intelligence services sent spearphishing emails to more than 120 email accounts used by Florida election officials in November 2016, according to Special Counsel Robert Mueller’s ...

The Cost of Paying in a Ransomware Attack Nearly Doubles While Downtime Also Increases

The latest data from Coveware shows increases across the board in ransoms, downtime, and average cost of an attack, mostly due to the increased use of the Ryuk ransomware variant.

U.K. Government: "80% Of Organizations Experience Phishing Attacks"

Despite maintaining an improved security posture over last year, 2019 brings additional attacks with a higher price tag, causing the U.K. government to urge organizations to do more.

Ohio Becomes the Third U.S. State to Adopt the NAIC’s Insurance Data Security Model Law

Ohio joins South Carolina and Michigan to create cybersecurity legislation modeled after the National Association of Insurance Commissioners’ (NAIC) Insurance Data Security Model Law.

Phishing Continues to be the Source of Health Data Breaches Totaling Over 1M Breached Records

The beginning of 2019 has proven that data breaches in the health industry aren’t going anywhere. And from the intel on the breaches, phishing is playing a predominant role.

[InfoGraphic] 56 Must Know Data Breach Statistics for 2019

Varonis spent a lot of time compiling a whole bunch of data breach stats that are very good ammo for budget requests. They also created an infographic with a quick executive summary. Did ...

New Articles And Templates From The KnowBe4 Tech Content Team

Hi everyone, we wanted to send a quick note about the major items the Tech Content Team has added to our knowledge base and KMSAT product in the last month.

Here are few Game of Thrones phishing scams you should know about and how to avoid them

With the Game of Thrones (GoT) Season 8 finally airing, bad guys are using a variety of social engineering tactics to trick your end-users.

A Mystery Agent Is Doxing Iran's Hackers And Dumping Their Code

Alyssa Foote at WIRED wrote: "NEARLY THREE YEARS after the mysterious group called the Shadow Brokers began disemboweling the NSA's hackers and leaking their hacking tools onto the open ...

[Heads-up] A GA County School System Only Just Escaped A 2 Million Dollar Cyber Attack

Armor, a leading global cloud security solutions provider, read the news about a recent cyberattack, where hackers targeted the payroll department of the city of Tallahassee, FL and ...

Scammers Impersonate Big UK Law

The UK’s Solicitors Regulation Authority (SRA) warned that scammers are impersonating a London law firm, Linklaters LLP, using phony job offers. The documents purport to come from the ...

Over 80% of All Phishing Attacks Targeted U.S. Organizations

U.S. entities remained the most attractive targets of phishing attacks throughout 2018, with an estimated 84% of the total volume of millions of incidents analyzed during the last year by ...


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