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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

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

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Recent Posts

[HEADS UP] Popular Stock Trading Platform Becomes Next Victim of Data Breach

Nov 9, 2021 8:57:32 AM By Stu Sjouwerman
Bleeping Computer recently reported a data breach from popular stock trading platform Robinhood. This breach has impacted over 7 million of their customers.
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New Browser Cookie “Smash and Grab” Attack Targets YouTube Creators

Nov 8, 2021 2:24:31 PM By Stu Sjouwerman
New attack details from Google’s Threat Analysis Group show how cybercriminals are innovating ways to use an initial attack to aid in additional crypto scams.
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Enabling and Securing Remote Workers are Top Concerns as 80% of Organizations Experience Cyberattacks as Often as Once per Hour

Nov 8, 2021 2:24:27 PM By Stu Sjouwerman
Organizations appear to be overconfident in their ability to protect themselves, despite glaring gaps in security, according to new data from cyber protection vendor, Acronis.
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Preparing for Black Friday Scams

Nov 8, 2021 8:56:54 AM By Stu Sjouwerman
Researchers at Tessian caution that people should be wary of scams as Black Friday approaches. The researchers found that thirty percent of people in the US reported receiving a phishing ...
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Your KnowBe4 Fresh Content Updates from October 2021

Nov 5, 2021 8:00:00 AM By Stu Sjouwerman
Check out the 22 new pieces of training content added in October, alongside the always fresh content update highlights.
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FBI Warns that Financial Events are Occasions for Extortion

Nov 3, 2021 10:29:36 AM By Stu Sjouwerman
The US Federal Bureau of Investigation (FBI) has warned that ransomware operators are targeting companies that are going through financial events. The timing is designed to elicit and ...
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CyberheistNews Vol 11 #43 [HEADS UP] Nuclear Ransomware 3.0: It Is About To Get Much Worse

Nov 2, 2021 9:36:39 AM By Stu Sjouwerman
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Not that You Would, but Looking for a Sugar Daddy's a Bad Idea

Nov 2, 2021 8:56:59 AM By Stu Sjouwerman
Scammers are using social media to target young women with offers to be their “sugar daddy,” according to Laura Josepha Zimmermann at Avast. Zimmermann received a message on Instagram ...
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[On-Demand Webinar] Hacking Your Organization: 7 Steps Cybercriminals Use to Take Total Control of Your Network

Nov 1, 2021 9:17:10 AM By Stu Sjouwerman
The scary fact is that the majority of data breaches are caused by human error. With so many technical controls in place hackers are still getting through to your end users. How are they ...
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Misconceptions and Assumptions about Cybersecurity

Nov 1, 2021 9:17:05 AM By Stu Sjouwerman
Misconceptions about cybersecurity can lead to employees falling for preventable attacks, according to Jayant Chakravarti at Toolbox. One misconception is that Apple devices are ...
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Multi-Stage Vishing Attacks are Coming to an Inbox Near You

Oct 29, 2021 2:16:15 PM By Stu Sjouwerman
New attacks initially coming in via email are directing victims to make phone calls to attacker-controlled call centers in order to provide banking and credit card details.
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Eight Romance Phishing Scammers with Ties to Nigerian Organized Crime Arrested After Stealing Nearly $7 Million

Oct 29, 2021 2:02:43 PM By Stu Sjouwerman
This latest arrest by the South African Police Service (SAPS) demonstrates how romance scams that have been around for decades remain alive and well… and profitable.
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Over Half of all Impersonation Attacks Target Non-Executive Employees

Oct 29, 2021 2:02:26 PM By Stu Sjouwerman
A new report shows how cybercriminals focus on users that are less vigilant and more prone to falling for social engineering and impersonation tactics designed to gain access to finances.
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KnowBe4's Q3 2021 Top-Clicked Phishing Email Report Includes New Global Data [INFOGRAPHIC]

Oct 29, 2021 10:39:26 AM By Stu Sjouwerman
KnowBe4's latest quarterly report on top-clicked phishing email subjects is here. We are now looking at the top categories globally, general subjects (in the United States and Europe, ...
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Cybercriminals are using Craigslist email notifications to send phishing links

Oct 27, 2021 9:16:47 AM By Stu Sjouwerman
Cybercriminals are using Craigslist email notifications to send phishing links, according to Roger Kay at INKY. The emails contain links to download a document with malicious macros.
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CyberheistNews Vol 11 #42 [EYE OPENER] Why Security Awareness Testing Alone Isn't Enough

Oct 26, 2021 9:41:20 AM By Stu Sjouwerman
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Russian SolarWinds Hackers Newly Attack Supply Chain With Password-Spraying and Phishing

Oct 26, 2021 9:38:10 AM By Stu Sjouwerman
Researchers at Microsoft have observed an attack phishing campaign by Russia’s SVR that’s targeting resellers and managed service providers. Microsoft tracks this threat actor as ...
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New Ransomware Variant Brings with it the Dawn of the Era of “Quintuple-Extortion”

Oct 26, 2021 8:44:23 AM By Stu Sjouwerman
A ransomware gang with a new variant is trailblazing us towards the future of ransomware by making threats that go well beyond the simple ransom transactions of yesterday.
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Perry Carpenter Interviews with Safety Detectives

Oct 26, 2021 8:44:02 AM By Stu Sjouwerman
Our very own Perry Carpenter, KnowBe4's Chief Evangelist and Strategy Officer, recently interviewed with Aviva Zacks of Safety Detectives.
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Celebrity Hacks and the Frenzy of Renown

Oct 25, 2021 10:50:10 AM By Stu Sjouwerman
Avast offers a look at incidents in which celebrities have been the victim of social engineering attacks. The firm notes that while celebrities are higher profile targets, attackers use ...
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