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

What is the secret to keeping your network safe? Training and automation

Just in time before October's Cybersecurity Awareness Month, DomainTools released its second annual Cybersecurity Report Card in which infosec pros were surveyed about their security ...

"Voice Phishing" in Korea This Year Already Exceeds 2017 Numbers.

The Korea JoonGang Daily reported that despite warnings from financial authorities, an average of 116 people fall victim to what is called "voice phishing" scams every day in Korea.

DMARC and Its Place in Email Security

Dealing with business email compromise (BEC) requires people, process, and technology. As we've noted before, the problem is growing. Harder to detect and evolving in sophistication, ...

Weaponized IQY Files Make Excel Users an Easy Target

The Necurs botnet – most notably responsible for distributing Locky – is now pushing weaponized internet or web query (.IQY) file to evade detection and download malware.

Only 40% of Business Phishing Scams Contain Links

This latest statistic takes the spotlight off of antivirus as the protector, and puts the focus squarely in the hands of your users to stop attacks.

When Russian InfoSec White Hats Go Black

This latest story about one specific cybercriminal group shows how even the most trusted of white-hats can give in to the lure of financial profit, following Evgeniy Bogachev who retired ...

You're Invited To Participate In The Inaugural 2018 Security Awareness Training Deployment Trends and Usage Survey.

KnowBe4 is running its Inaugural 2018 Security Awareness Training Deployment Trends and Usage Survey.

Finally, KnowBe4 Was Spoofed By Bad Guys. Expected That For Years.

When you become the worldwide No.1 player in your field with tens of thousands of organizations using your platform, you get on people's radar. Both the good guys and the bad apples.

Size Still Doesn’t Matter Especially When It Comes To CEO Fraud

Lloyds Bank says that Business Email Compromise (BEC)—also known as CEO Fraud—rose by 58% in the UK over the past year. While BEC is often associated by the media with large firms, ...

Campaign Email Security "as Bad as 2016"

The founder of Tech Solidarity, a not-for-profit interested in helping the campaigns of progressive Democrats, has been talking to those campaigns about their email security. He's found ...

Is Your Incident Response to Cyber Attacks Useless?

A new report from Carbon Black sheds some light on exactly what cybercriminals are doing, and why traditional incident response is unprepared at best.

Advanced Malware Targets the Telecom Sector And Bypasses Antivirus

The telecommunication service industry is experiencing more advanced malware threats than any other industry group. Researchers at Lastline discovered that ninety percent of malware ...

NY Cyber Law Hits 3rd Deadline: Toughest Yet to Come, How To Get And Stay Compliant?

Craig A. Newman, partner at Patterson Belknap wrote: "By today, financial institutions are required to meet their next deadline for compliance with New York’s cybersecurity law. The ...

Well-Known Cybercrime Group Continues Attacks on Banks

The notorious criminal group Cobalt—aka Carnanak—impersonates vendors or partners to gain access to bank networks, with each successful attack taking in as much as €10 Million.

Email Impersonation aka CEO Fraud Remains on the Rise

With an average of 1 in 6 users receiving email-based impersonation attacks, it spells bad news for organizations.

Vigilance, Passcodes, and PINs the Best Defense Against SIM Swaps

Attackers are using SIM swaps to take advantage of SMS-based verification. A recent string of Instagram takeovers, a crypto currency scam costing an investor over $23 million in tokens, ...

Customer Reports: "GSuite Makes Phishing Training Unnecessarily Hard..."

Customers report to KnowBe4 that they have issues with gmail and their security awareness training program.

$1,170 Is How Much You're Worth On The Dark Web:

The Benzinga site had a good short summary of the current price lists for stolen data on the dark web. "According to the Dark Web Market Price Index released by the independent VPN review ...


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