Stu Sjouwerman

Chief Executive Officer & President

Stu Sjouwerman (pronounced “shower-man”) is the founder and CEO 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.

Books

Cyberheist E-Book

Find all of Stu's books on Amazon

"Quebec is an embarrassment": Province urged to do more on cybersecurity

Nov 19, 2018 4:08:40 PM By Stu Sjouwerman

MONTREAL — On Sept. 10, municipal employees in a region between Montreal and Quebec City arrived at work to discover a threatening message on their computers notifying them they were ...

IRS Issues Urgent Warning On Tax Transcript Scam

Nov 19, 2018 2:55:17 PM By Stu Sjouwerman

The Internal Revenue Service (IRS) is warning about a new “tax transcript” scam. In the scam, taxpayers are tricked into opening emails that look like they are from the IRS—but they ...

Expert Insights Recognizes KnowBe4 as a ‘2018 Market Leader’ for Security Awareness Training

Nov 19, 2018 1:26:08 PM By Stu Sjouwerman

KnowBe4 has been ranked the top vendor in the category of Security Awareness Training by Expert Insights

Phishing Accounts for 50% of All Fraud Attacks [InfoGraphic]

Nov 19, 2018 10:39:08 AM By Stu Sjouwerman

According to the latest research from RSA, attacks intent on committing financial fraud most frequently begin with tried and true phishing.

CyberheistNews Vol 8 #46 [Heads-Up] New Hybrid Ransomware Strain Evades Detection by All but One Antivirus Engine

Nov 19, 2018 9:50:50 AM By Stu Sjouwerman

Now here is something new: Russian Banks Targeted by Sophisticated Phishing Emails

Nov 19, 2018 9:45:51 AM By Stu Sjouwerman

This does not happen too often, and these attackers must be outside of Russia. If hackers inside Russia attack their own country, the FSB is on their doorstep with a SWAT team in no time.

How better training, cybersecurity upgrades made one credit union safer

Nov 18, 2018 9:58:17 AM By Stu Sjouwerman

America’s Christian Credit Union, Glendora, Calif., reduced its cybersecurity threat plane by 90 percent by upgrading both its hardware and its resistance to phishing – and earned a ...

Russian APT Comes Back To Life With New Us Spear-Phishing Campaign

Nov 18, 2018 9:02:42 AM By Stu Sjouwerman

A Russian state-sponsored cyber-espionage group has come back to life after a one-year period of inactivity with a relative large spear-phishing campaign that has targeted both the US ...

Hacked Law Firm Can't Claw Back $580,000 From Bank That Completed Transfer

Nov 17, 2018 2:50:40 PM By Stu Sjouwerman

Max Mitchell at Law.com has an interesting and rather painful story. Don't let this happen to your organization.

KnowBe4 Modstore Release: Captain Awareness Has Arrived And Is Here To Help

Nov 17, 2018 9:49:51 AM By Stu Sjouwerman

The KnowBe4 Courseware Team is excited to announce the release of the first 6 episodes in a new comic book style animated series: Captain Awareness. These first two-minute modules cover ...

KnowBe4 Named a Leader in the 2018 Gartner Magic Quadrant for Security Awareness Training

Nov 16, 2018 2:07:35 PM By Stu Sjouwerman

KnowBe4 has been positioned by Gartner, Inc. in the Leaders quadrant of the 2018 Gartner Magic Quadrant for Security Awareness Computer-Based Training for the second year in a row. ...

Watch Out Banks: New PDF Attack Avoids Antivirus Detection

Nov 16, 2018 11:49:48 AM By Stu Sjouwerman

The latest attack from the Cobalt Gang targeting banking institutions used specific tactics to ensure AV doesn’t detect the malicious PDF at the heart of the attack.

New Study: Ransomware Attacks Surge 500% on Apple Operating Systems

Nov 14, 2018 1:49:23 PM By Stu Sjouwerman

This staggering growth in attacks on the MacOS signals that Macs are no longer safe.

Phishing Attacks Rose by 30 Million in Q3 2018

Nov 13, 2018 4:13:14 PM By Stu Sjouwerman

Kaspersky Lab blocked 137 million phishing attempts in the third quarter of 2018, a 28 percent increase compared to Q2 2018. A report by the anti-virus company reveals that phishing ...

Data Breaches Expose 3.6 Billion Records in 2018

Nov 13, 2018 3:00:31 PM By Stu Sjouwerman

With nearly 3,700 publicly disclosed data compromise events in the first 3 quarters of 2018, according to security information provider, Risk Based Security, breaches remain a risk.

Fun Thanksgiving Landing Page

Nov 13, 2018 2:14:41 PM By Stu Sjouwerman

Just like we did for Halloween, Natalie has created a new Thanksgiving landing page, to coincide with any phishing tests set up to run around the Thanksgiving holiday.

[LAST CHANCE] The Pesky Password Problem: Battle of the Red and Blue Team

Nov 13, 2018 10:56:12 AM By Stu Sjouwerman

What really makes a “strong” password? And why are your end-users tortured with them in the first place? How do hackers crack your passwords with ease? And what can/should you do about ...

New Hybrid Ransomware Strain Evades Detection by All but One Antivirus Engine

Nov 13, 2018 7:28:20 AM By Stu Sjouwerman

IBM at their SecurityIntelligence blog reported something troubling.

New Ransomware Gang Pays Affiliates Up To 70% Of The Loot

Nov 12, 2018 9:59:01 AM By Stu Sjouwerman

A growing Ransomware-as-a-Service model uses affiliate attackers with proven track records to spread the malware, offering a percentage of the ransom.

CyberheistNews Vol 8 #45 [Heads-Up] FIRED: The Two C-level Execs Who Fell Victim to a Massive 21 Million Dollar CEO Fraud

Nov 12, 2018 8:58:06 AM By Stu Sjouwerman

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