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

Ransomware Targets are Getting Larger and Paying More as Fewer Victims Are Paying the Ransom

New data showcasing the state of ransomware shows that while organizations are likely getting better at recovery (and not paying the ransom), cybercriminals are shifting focus to ensure ...

Microsoft OneNote Attachments Become the Latest Method to Spread Malware

With Microsoft disabling macros by default on Office documents, cybercriminals are left needing another means to launch malware that’s victim-supported by default.

Russian and Iranian Spear Phishing Campaigns are Running Rampant in the UK

The UK’s National Cyber Security Centre (NCSC) has described two separate spear phishing campaigns launched by Russia’s SEABORGIUM threat actor and Iran’s TA453 (also known as Charming ...

Hacker's Movie Guide: The Complete List of Hacker and Cybersecurity Movies

Is alert fatigue getting to you? I found a guide that allows you some well-deserved personal downtime, and still has something to do with work so that you can justify getting away with ...

Stu's Law: "You get the future you ignore"

I have read a lot of Sci-fi. Thousands of books actually. You can't help but start recognizing patterns of how the future might look like. Many Sci-fi books were made into movies. One of ...

Phishing Campaign Impersonates Japanese Rail Company

Researchers at Safeguard Cyber describe a phishing campaign that’s posing as a Japanese rail ticket reservation company.

2022 Report Confirms Business-Related Phishing Emails Trend [INFOGRAPHIC]

KnowBe4's latest reports on top-clicked phishing email subjects have been released for 2022 and Q4 2022. We analyze 'in the wild' attacks reported via our Phish Alert Button, top subjects ...

New QR Code Phishing Campaign is Impersonating the Chinese Ministry of Finance

Researchers at Fortinet warn that a phishing campaign is impersonating the Chinese Ministry of Finance. The phishing emails contain a document with a QR code that leads to a ...

Cybercrime The World’s Third Largest Economy After the U.S. and China

Cybersecurity Ventures released a new report that showed cybercrime is going to cost the world $8 trillion USD in 2023.

Ransomware Has SMBs Reprioritizing Their Cybersecurity Spending to Combat Attacks

New data shows that SMBs can clearly see where they have cybersecurity issues and are taking great strides to put their devoted budget to security technology and services that actually ...

The Current State of Cybersecurity Should Fear AI Tools Like ChatGPT

Malicious use of the text-based AI has already begun to be seen in the wild, and speculative ways attackers can use ChatGPT may spell temporary doom for cybersecurity solutions.

Unusual Blank-Image Phishing Attacks Impersonate DocuSign

An unusual phishing technique has surfaced this week. Avanan, a Check Point Software company, released a blog Thursday morning detailing a new attack in which hackers hide malicious ...

[Eye Popper] Ransomware Victims Refused To Pay Last Year

Finally some good news from the ransomware front! Despite bad actors launching a number of ransomware campaigns throughout 2022, organizations refused to submit and paid criminals an ...

Phishing For Industrial Control Systems

Mandiant has published a report describing phishing emails that have breached organizations in the industrial sector. Mandiant explains that the majority of phishing attacks are ...

The Amazing Thing Is that DHL Phishing Campaigns STILL Work

Researchers at Armorblox warn that a phishing campaign is impersonating DHL with fake shipping invoices.

Spear Phishing Campaign Targets Southeast Asia

Researchers at Group-IB are tracking a previously unknown threat actor dubbed “Dark Pink” that’s using spear phishing attacks to target government, military, and religious organizations. ...

Cybercriminals Mimic Victim Website to Publish Exfiltrated Data on the Public Web

In a new twist, threat actors use a typo squatted domain name to increase the chances that stolen data will be seen by the general public after not being paid the ransom.


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