Security Awareness Training Blog

Keeping You Informed. Keeping You Aware.
Stay on top of the latest in security including social engineering, ransomware and phishing attacks.

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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

Recent Posts

"Delete" Notification as Office 365 Phishbait

May 31, 2019 8:00:00 AM By Stu Sjouwerman

Attackers are posing as Office 365 support in phishing emails that warn users about an “unusual volume of file deletion” on their accounts, BleepingComputer has found. The emails claim ...

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A Case of Password Spraying

May 31, 2019 8:00:00 AM By Stu Sjouwerman

Citrix last month confirmed the FBI’s suspicions that hackers had used a technique known as “password spraying” to compromise the company’s networks before stealing a massive amount of ...

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Impersonation Phishing Attacks Up 67% in Last 12 Months

May 31, 2019 8:00:00 AM By Stu Sjouwerman

Social engineering attacks using impersonation tactics increased by 67% over the past twelve months, according to Mimecast’s annual State of Email Security report. Mimecast surveyed more ...

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KnowBe4 Is UK's Security Training And Consultancy Provider Of The Year

May 29, 2019 5:23:37 PM By Stu Sjouwerman

We're extremely pleased to have won UK's prestigious Network Computing Security Training And Consultancy Provider Of The Year.

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Why KnowBe4 Is The Only True Global Security Awareness Training Vendor

May 29, 2019 3:37:10 PM By Stu Sjouwerman

Security awareness, by its very nature, relies on communication. And that communication, in turn, relies on clarity so that it can be fully understood and applied by the learner. To be ...

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Red Flags Warn of Social Engineering

May 29, 2019 7:54:53 AM By Stu Sjouwerman

The easiest way to avoid falling for scams and other social engineering attacks is to have an understanding of the tactics employed by attackers, according to Roger A. Grimes, writing in ...

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Phishing Canadian Targets

May 28, 2019 2:34:49 PM By Stu Sjouwerman

We have recently blogged about KrebsOnSecurity's story on compromised Canadian business email addresses. Here is some updated background on threats to Canadian organizations.

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CyberheistNews Vol 9 #23 [Heads-Up] Scary Phishing Attack Uses Legal Threats From Law Firm

May 28, 2019 9:39:39 AM By Stu Sjouwerman

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A Single Tweet Saw One Woman's Bank Account Entirely Wiped Out

May 28, 2019 9:36:02 AM By Stu Sjouwerman

Dean Dunham at The Mirror in the UK reported: "Social media is often disgruntled customers first port of call when they want to make a complaint about goods or services these days, but ...

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Phishing Sites Increase by 30% in the First Quarter of 2019 Putting SaaS and Webmail at Risk

May 28, 2019 8:00:00 AM By Stu Sjouwerman

Cybercriminals seem to be increasing their efforts in quantity, frequency, and obfuscation, according to the latest data from the international cybercrime coalition, the Anti-Phishing ...

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Beazley Insurance Breach Insights: "Ransomware Attacks Skyrocket"

May 28, 2019 8:00:00 AM By Stu Sjouwerman

Ransomware attacks skyrocketed in the first quarter of 2019, according to the Beazley Breach Response (BBR) Services team, which reports a 105% increase in the number of ransomware attack ...

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“Monster” Data Breaches Result in an Average Cost of $347 Million

May 28, 2019 8:00:00 AM By Stu Sjouwerman

Data breaches in the hundreds of millions of records have made the news over the last two years. The latest report from Bitglass covers the results and repercussions of the breaches.

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Over 10 Million People Hit In Single Australian Data Breach

May 28, 2019 8:00:00 AM By Stu Sjouwerman

The Office of the Australian Information Commissioner's (OAIC) quarterly data breach report also revealed private health was again the country's most affected sector.

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UK Says It Warned 16 Nato Allies Of Russian Hacking Activities

May 28, 2019 8:00:00 AM By Stu Sjouwerman

The UK has shared information on Russian hacking attacks with 16 NATO allies over the last 18 months, a British government official said today. "I can disclose that in the last 18 months, ...

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72 Percent Of Cyber Security Professionals Have Considered Quitting Over Lack Of Resources

May 28, 2019 8:00:00 AM By Stu Sjouwerman

Ian Barker at Betanews commented on something astounding.

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[Heads-up] Scary Phishing Attack Uses Legal Threats From Law Firm

May 25, 2019 10:38:15 AM By Stu Sjouwerman

Brian Krebs just posted the following alert: "Some of the most convincing email phishing and malware attacks come disguised as nastygrams from a law firm. Such scams typically notify the ...

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Employees Don’t Take USB Security Seriously, Putting Organizations at Risk

May 23, 2019 2:29:40 PM By Stu Sjouwerman

USB devices continue to be a necessity for employees, an entry point for attackers, and an insecure medium to connect the two, spelling trouble for organizations.

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U.S. Department of Homeland Security Issues List of Office 365 Security Vulnerabilities and Best Practices

May 23, 2019 2:26:17 PM By Stu Sjouwerman

The latest Analysis Report covers both areas of concern around Office 365 configurations that impact security, and offers up some simple recommendations to shore up vulnerabilities.

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Q1 2019 Top-Clicked Phishing Email Subjects from KnowBe4 [INFOGRAPHIC]

May 21, 2019 12:30:00 PM By Stu Sjouwerman

Every quarter, KnowBe4 reports on the top-clicked phishing emails by subject lines in three categories: Social, General, and 'In the Wild'. The latter category results come from the ...

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Financial Firms Spend $2,300 Per Employee Attempting to Address Cyber Security Concerns

May 21, 2019 9:54:57 AM By Stu Sjouwerman

A new joint study by Deloitte and the Financial Services Information Sharing and Analysis Center highlights the budget impacts establishing and maintaining cybersecurity.

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