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

Slack Phishing

Jun 23, 2020 8:27:33 AM By Stu Sjouwerman

People need to be able to use their instincts in order to spot new phishing techniques, according to Ashley Graves, a Cloud Security Researcher at AT&T Alien Labs. On the CyberWire’s ...

How to Combat the Fake News and Disinformation Being Used to Attack Your Organization

Jun 22, 2020 9:29:04 AM By Stu Sjouwerman

A global cold war is being fought in cyberspace, and IT pros like you are finding themselves in the trenches. With all of this going on, how can you equip your employees and protect your ...

Pyongyang's Phishing with Job Offers

Jun 22, 2020 8:27:28 AM By Stu Sjouwerman

An attack campaign with possible ties to North Korea’s Lazarus Group targeted aerospace and military companies in Europe and the Middle East with spear phishing attacks late last year, ...

Microsoft 365 to Provide Detonation Details About Malicious Email Content

Jun 19, 2020 4:29:28 PM By Stu Sjouwerman

In a step towards educating customers on why attachments and URLs are deemed “malicious”, Microsoft’s is set to augment its Advanced Threat Protection product in July.

Microsoft Warns of New Java-Based “PonyFinal” Ransomware Used as Part of Human-Operated Attacks

Jun 19, 2020 4:25:29 PM By Stu Sjouwerman

Microsoft’s recent posts detailing a new Java attack that uses PowerShell and other legitimate tools to infect victims with ransomware sheds light on human-operated attacks.

WARNING: The List of Ransomware-Turned-Data Breach Operators is Getting Long

Jun 19, 2020 4:21:06 PM By Stu Sjouwerman

Seeing a better opportunity to generate more “revenue” from their victims, the idea of ransomware also exfiltrating data to be used to extort the payment is gaining steam.

[Heads Up] North Korean State Hackers Plan a June 21 COVID-19 Phishing Attack That Targets 5 Million in Six Nations

Jun 19, 2020 10:00:17 AM By Stu Sjouwerman

ZDNet reported: "Singapore, Japan, and the US are amongst six nations targeted in a COVID-19 themed phishing campaign that is reportedly scheduled for June 21, during which 8,000 ...

[Heads Up] Australian Government and businesses hit by massive cyber attack from ‘sophisticated, state-based actor’

Jun 18, 2020 10:02:25 PM By Stu Sjouwerman

News.com.au reported that Australian Prime Minister Scott Morrison has "announced in an urgent press conference called this morning in Canberra, Mr Morrison said the ongoing, ...

How to Keep SOX on Track During a Pandemic

Jun 18, 2020 1:39:14 PM By Stu Sjouwerman

It’s been several weeks since COVID-19 entered our vocabulary and made working from home the new normal, according to Accounting Today. Professionals over the last month are adapting to ...

Microsoft on COVID-19 Themed Cyberattacks

Jun 18, 2020 9:33:19 AM By Stu Sjouwerman

Microsoft’s Threat Protection Intelligence Team has published a report providing a detailed look into the proliferation of COVID-19-themed phishing over the past several months. The ...

[MSP News] Manage Your KnowBe4 Accounts Faster With NEW Managed Phishing Functionality

Jun 18, 2020 8:00:00 AM By Stu Sjouwerman

You have been asking for a better way to manage your multiple KnowBe4 accounts, and we heard you! We've made enhancements to the KnowBe4 phishing platform and added the NEW Managed ...

Researchers Uncover Six Years of Russian Attempts to Mold International Politics

Jun 17, 2020 4:06:43 PM By Stu Sjouwerman

Researchers uncover six-years-worth of Russian attempts to mold international politics using fake news and forged documents. Social media research group Graphika published today a ...

Phony Data Theft, Like Phony Sextortion

Jun 17, 2020 9:55:30 AM By Stu Sjouwerman

Extortionists are sending phony threats to website owners informing them that their sites’ databases will be leaked unless they pay a ransom of between $1,500 and $3,000, BleepingComputer ...

Twitter Takes Down Over 32,000 Nation State Accounts Involved in Disinformation Campaigns

Jun 16, 2020 3:14:08 PM By Stu Sjouwerman

Manipulation/disinformation campaigns are running rampant on social media and Twitter just took action -- again. "Disinformation" is a form of propaganda honed into an art form by Russia. ...

CyberheistNews Vol 10 #25 [Eye Opener] "For a long time I've had a gap in my O365 security. PhishRIP is amazing and solves the problem."

Jun 16, 2020 10:17:38 AM By Stu Sjouwerman

Security Awareness Training Blog

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Stu Sjouwerman

Books

Recent Posts

Slack Phishing

How to Combat the Fake News and Disinformation Being Used to Attack Your Organization

Pyongyang's Phishing with Job Offers

Microsoft 365 to Provide Detonation Details About Malicious Email Content

Microsoft Warns of New Java-Based “PonyFinal” Ransomware Used as Part of Human-Operated Attacks

WARNING: The List of Ransomware-Turned-Data Breach Operators is Getting Long

[Heads Up] North Korean State Hackers Plan a June 21 COVID-19 Phishing Attack That Targets 5 Million in Six Nations

[Heads Up] Australian Government and businesses hit by massive cyber attack from ‘sophisticated, state-based actor’

How to Keep SOX on Track During a Pandemic

Microsoft on COVID-19 Themed Cyberattacks

[MSP News] Manage Your KnowBe4 Accounts Faster With NEW Managed Phishing Functionality

Researchers Uncover Six Years of Russian Attempts to Mold International Politics

Phony Data Theft, Like Phony Sextortion

Twitter Takes Down Over 32,000 Nation State Accounts Involved in Disinformation Campaigns

CyberheistNews Vol 10 #25 [Eye Opener] "For a long time I've had a gap in my O365 security. PhishRIP is amazing and solves the problem."

BEC Isn't Back; It Never Left

Another Bitcoin Scam, with Bogus SpaceX on the Side

Fraudsters Are Exploiting Newborns and Recently Deceased People

Australian Beverage Manufacturer Shutdown IT Systems After Cyberattack

Japan CERT: 75% of BEC Email Scams Involve the Forgery of an Invoice from a Business Partner

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