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Home » Authors » Stu Sjouwerman

Articles by Stu Sjouwerman

ChatGPT logo and prompt on blue screen

Add 'prompt' to the long list of injection attacks

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Stu Sjouwerman
May 5, 2023

Generative AI tools can be manipulated to accomplish malicious tasks, reveal sensitive information or ignore safety filters with the right prompt.


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cyber-theft-freepik1170x658.jpg

Initial access brokers: The new face of organized cybercrime

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Stu Sjouwerman
September 28, 2022

While there is no one-size-fits-all to security, here are some recommendations that organizations can use to reduce the threat of initial access brokers (IABs).


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cyber-password-freepik1170x658v4.jpg

Four ways cybercriminals can hack passwords

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Stu Sjouwerman
June 2, 2022

Learn about four techniques hackers usually employ to hack usernames and passwords, as well as tips to bolster password defense.



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data-privacy-freepik1170x6.jpg

Data privacy in 2022: Four recommendations for businesses and consumers

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Stu Sjouwerman
March 22, 2022

There isn’t a silver bullet to consumer data privacy; different organizations are at different stages of privacy maturity. However, there are four steps organizations can take to advance their data privacy program maturity.  


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phishing-freepik1170x658v4.jpg

5 tips for building a positive anti-phishing behavior management program

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Stu Sjouwerman
February 17, 2022

Five tips to help organizations create a positive anti-phishing behavior management program and six common mistakes to avoid.


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workplace freepik

If you want to safeguard your organization, focus on people

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Stu Sjouwerman
April 19, 2021
A security team can sink an infinite amount of time and resources into strengthening your infrastructure, but it’s all for nothing if a default password is used by an exec, or someone in HR makes the mistake of responding to a clever phishing message. Cybercriminals will always find the path of least resistance and for most organizations the easiest way in is through the people.
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cyberattack

Smishing and vishing: Explained and explored

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Stu Sjouwerman
February 18, 2021

Ransomware attacks, phishing scams, fake news and several other cyberattacks made headlines in 2020. As millions of Americans shifted to remote work for business continuity, cybercriminals sprung into action, evolving their social engineering tactics. Smishing and vishing are new variants that are fast gaining traction, targeting mobile phones.


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Virus Detected

5 reasons why scams survive, thrive, and succeed

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Stu Sjouwerman
December 29, 2020
Computer fraud, or cyber-scamming, is a multi-billion-dollar industry that affects people and organizations around the world. Since the pandemic started, cybersecurity experts have tracked a 400% rise in online scams. The world is evolving at a rapid pace and with everything getting connected and automated scammers are bound to adapt, thrive and succeed. Let’s understand the top five reasons:
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passwordenews

So, what is the safest password policy? It’s complicated

New Stu Sjouwerman CEO KnowBe4.jpg
Stu Sjouwerman
August 24, 2020
Let’s face it, passwords are a pain. As we’ve been pushed towards using longer and ever more complex passwords, and told to update them with increasing frequency, password management has become something of a headache. We’ve gone from simple, easy to remember passwords to 12- or 16-character passwords that must contain a mixture of upper and lowercase letters, numbers and symbols.
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ransomware

Ransomware: Avoid Becoming the Next Victim

New Stu Sjouwerman CEO KnowBe4.jpg
Stu Sjouwerman
March 18, 2020

Ransomware has quickly emerged as a massive cybersecurity threat and is evolving continuously. Certainly, recent ransomware incidents should serve as a wake-up call for all businesses to remain vigilant against ransomware. To minimize the chances of being victimized by ransomware means going back in time to understand how ransomware developed and how it evolved.


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Middle East Escalation, Humanitarian Law and Disinformation – Episode 25

Middle East Escalation, Humanitarian Law and Disinformation – Episode 25

The Money Laundering Machine: Inside the global crime epidemic - Episode 24

The Money Laundering Machine: Inside the global crime epidemic - Episode 24

Security’s Top 5 – 2024 Year in Review

Security’s Top 5 – 2024 Year in Review

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