KnowBe4 Blog

Keeping you informed. Keeping you aware.
Stay on top of the latest in human and agent security including social and prompt 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

UK Users Should Be Aware of Census-Themed Phishing Attacks

Users in the UK should be on the lookout for census-themed phishing attacks, according to Paul Ducklin at Naked Security. Participating in the census is mandatory in the UK, and people ...

[HEADS UP] Millions of Facebook Users' Personal Information Has Been Leaked Online

A hacking forum recently published over 553 million personal data of Facebook users. The type of exposed data ranged from phone numbers, Facebook ID's, full names, locations, birthdates, ...

Expect More Travel-Related Phishing as the Pandemic Subsides

People need to be wary of travel-related phishing as the pandemic draws to a close, according to Fleming Shi, Chief Technology Officer at Barracuda Networks. On the CyberWire’s Hacking ...

Office 365 Phishing Kits Are Being Used in a New Attack Targeting Execs and Finance

A new highly-targeted phishing campaign is seeking to compromise the online credentials of those with influence within an organization using an Office 365-themed update attack.

Encryption, Exfiltration, and Extortion are the Name of the Game as PSYA Ransomware Attacks on Education Organizations Increase

A new warning from the FBI highlights an aggressive campaign of ransomware attacks targeting higher education, K-12 schools, and seminaries, providing specific attack details.

FBI Warns of “Almost Certain” Deepfake Attacks Over the Next 12-18 Months

A recent notification from the FBI warns cybersecurity professionals to be on the lookout for deepfake content that will be used for cyberattacks and foreign influence campaigns.

KnowBe4 Fresh Content Updates from March: Including New Optional Learning Feature for Your Users

Here are important fresh content updates and new features to share with you that happened in the month of March.

Cybercrime Skyrocketed in the US by 55%

According to data released by StockApps, the annual loss from any type of cybercrime in the US reached $4.2 billion in 2020. This turns into billions of dollars lost, and a 55% increase ...

IRS Warns of Phishing for Dot EDU Email Users

The Internal Revenue Service (IRS) has issued an alert warning about a phishing scam targeting university students. A link in the emails leads to a phishing site that asks users to enter ...

FBI's Newly Release Internet Crime Report Shows Cybercrime has Ramped Up in 2020

The FBI's Internet Crime Complaint Center (IC3) released their annual report, and the number of complaints have skyrocketed in 2020.