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

KnowBe4 Fresh Content and Feature Updates - May 2019

Check out the content and feature updates in the KnowBe4 platform for the month of May!

'BlueKeep' Microsoft Windows Flaw Warning from NSA, Video for How To Patch

Microsoft recently released a fix for for a critical Remote Code Execution vulnerability, CVE-2019-0708, in Remote Desktop Services - that affects older versions of Microsoft Windows. ...

Ransomware in 2019 is Looking to be as Bad as 2018 for State and Local Governments… if not Worse

Governments have proven to be soft targets for cyberattacks leveraging ransomware in 2018. And, from the recent attacks in 2019, it looks like things are just getting started.

Microsoft is Still the Most Impersonated Brand in Phishing Attacks

Cybercriminals are constantly looking for the easiest way to make a buck. And, in the case of phishing attacks, it appears that pretending to be Microsoft is the path of least resistance.

Biometrics Can’t Replace Passwords: A Cybercriminal's Dream

In the quest to create a more secure environment, new ways to authenticate that replace the password are being sought. But it’s looking like passwords are here to stay.

New articles and templates from the Tech Content Team

Hi all, Here are all of the major items and updates our Technical Content Engineers have added to our knowledge base and KMSAT product in the last month.

It only takes three seconds...

“Statistics suggest the average human being falls for a social engineering attack about four times — with training — before they become ‘inoculated’ against that type of attack,” “Helpful ...

[Policy Template] Should Failing Phishing Tests Be A Fireable Offense?

Firing employees for failing phishing tests can be extremely counterproductive and can damage an organization’s overall security posture. That, at any rate, is what two security experts ...

"Delete" Notification as Office 365 Phishbait

Attackers are posing as Office 365 support in phishing emails that warn users about an “unusual volume of file deletion” on their accounts, BleepingComputer has found. The emails claim ...

A Case of Password Spraying

Citrix last month confirmed the FBI’s suspicions that hackers had used a technique known as “password spraying” to compromise the company’s networks before stealing a massive amount of ...

Impersonation Phishing Attacks Up 67% in Last 12 Months

Social engineering attacks using impersonation tactics increased by 67% over the past twelve months, according to Mimecast’s annual State of Email Security report. Mimecast surveyed more ...

KnowBe4 Is UK's Security Training And Consultancy Provider Of The Year

We're extremely pleased to have won UK's prestigious Network Computing Security Training And Consultancy Provider Of The Year.

Why KnowBe4 Is The Only True Global Security Awareness Training Vendor

Security awareness, by its very nature, relies on communication. And that communication, in turn, relies on clarity so that it can be fully understood and applied by the learner. To be ...

Red Flags Warn of Social Engineering

The easiest way to avoid falling for scams and other social engineering attacks is to have an understanding of the tactics employed by attackers, according to Roger A. Grimes, writing in ...

Phishing Canadian Targets

We have recently blogged about KrebsOnSecurity's story on compromised Canadian business email addresses. Here is some updated background on threats to Canadian organizations.

A Single Tweet Saw One Woman's Bank Account Entirely Wiped Out

Dean Dunham at The Mirror in the UK reported: "Social media is often disgruntled customers first port of call when they want to make a complaint about goods or services these days, but ...

Phishing Sites Increase by 30% in the First Quarter of 2019 Putting SaaS and Webmail at Risk

Cybercriminals seem to be increasing their efforts in quantity, frequency, and obfuscation, according to the latest data from the international cybercrime coalition, the Anti-Phishing ...

Beazley Insurance Breach Insights: "Ransomware Attacks Skyrocket"

Ransomware attacks skyrocketed in the first quarter of 2019, according to the Beazley Breach Response (BBR) Services team, which reports a 105% increase in the number of ransomware attack ...


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