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.

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.


Recent Posts

KnowBe4 Is Excited To Announce Active Directory Integration

We are stoked to announce the new integration with Active Directory! The Active Directory Integration (ADI) helps you easily upload user data and eliminate manual updates by automatically ...
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Is Security Making The Grade? What IT And Business Pros Really Think

Great joint survey by CSO, CIO and ComputerWorld by Amy Bennett which is excelllent ammo to add to a budget request that needs to be approved by a C-level exec. Here's why: "If you sense ...
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Uh oh, Yahoo May Have Been COMPLETELY Pwned

We predicted that this would happen on September 23rd when the news broke that Yahoo lost "at least" 500 Million credentials. Just for a change I'm quoting myself here: :-D "Right, that ...
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This weird ransomware strain spreads like a virus in the cloud

Here is a ransomware horror story for you... An obscure 2-year old ransomware strain called Virlock has a nasty feature: it is capable of stealthily spreading itself via cloud storage and ...
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InfoArmor: The Yahoo Hackers Were Not State-sponsored

Eastern European organized crime, not state-sponsored hackers, were behind the record breaking 2014 Yahoo data breach that exposed information about hundreds of millions of Yahoo user ...
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Brazen: Phishing Attacks The Bad Guys Send When No One's Looking

When we talk with folks outside the security industry about what we see from the bad guys on a daily basis, we often get the response, "Wow! That's really sneaky." And it's true. The bad ...
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Ransomware Is Now Officially Extortion Under California Law

Of course everyone knows that hacking into a computer is a federal crime, and infecting a system with ransomware already falls into that bucket. However, California’s SB-1137, signed into ...
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Gang Uses Social Engineering To Steal 147 Million Dollars

Police have arrested a 147 million international fraud and money laundering ring, and jailed nine fraudsters jailed for over 27 years The gang targeted thousands of Lloyds and RBS ...
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What is the Necurs Botnet And How Does It Spread Locky Ransomware?

In Short: The Necurs botnet is one of the world's largest botnets with more than 6 million zombie machines tied into it. It's run by Russian organized cybercrime and responsible for ...
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Don't Make These Two Major Multi-Factor Security Mistakes

An employee sent this recent horror story to me (thanks Rachel). Remember there are three ways of learning. :-D Read it in a book, blog (or training session) understand it and apply it ...
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Price Discrimination: The Fantom Menace of Ransomware

By Eric Howes, KnowBe4 Principal Lab Researcher. Over the past few months we've discussed the rising use of price discrimination among purveyors of ransomware to maximize their returns on ...
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New KnowBe4 Phishing Campaign Creation Screen

You asked and we listened! We’ve enhanced our Phishing Campaign creation options to give you more flexibility and customization when phishing your users! You can now: Phish your users ...
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These 500 Million Hacked Yahoo Accounts Are A Phishing Paradise. Warn Your Users!

It's all over the press. Here is a quote from Reuters: "Yahoo Inc said on Thursday information associated with at least 500 million user accounts was stolen from its network in 2014 by ...
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New Version of iSpy Trojan Steals Your Software Licenses

Earlier this year we posted about Jsocket, a highly malicious Trojan that we spotted being delivered through phishing emails shared with us via the Phish Alert Button (PAB). Although ...
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Scam Of The Week: Apple Store Phishing Attack Goes For Whole Enchilada

Phishing attacks using false Apple Store email messages, fake landing pages and sometimes fake login pages are still a very popular attack vector. They still make it through all the ...
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Bad Guy FAIL! or, When a Simple Credentials Phish Goes Horribly Wrong

By Eric Howes, KnowBe4 Principal Lab Researcher. Anyone who works a job in the computer security industry inevitably develops a kind of dark appreciation for the mad skills so often ...
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As Neutrino takes a hit, RIG Exploit Kit jumps at the opportunity and spreads ransomware

Andra Zaharia (the picture is really her) from the Danish Heimdal Security wrote something interesting this morning that I thought you'd like to know:
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Reported Phishes of the Week

KnowBe4's Templates Mistress Katie has been busy again adding a new batch of phishing templates to the collection of "System Templates" available to active subscribers.
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