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

InfoSec World 2016 Conference & Expo

Responsible for IT Security?
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TeamViewer Denies It Is Surprise Ransomware Infection Vector

A modified version of EDA2, an open source ransomware strain developed by Turkish computer engineering student Utku Sen, --by the way, thanks Utku, that was a very smart idea-- has been ...
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FBI and Microsoft Warn Against Hybrid Targeted Samas Ransomware Attack

The FBI and Microsoft have issued a new alert, a warning of hybrid targeted ransomware attacks that attempt to encrypt an organization’s entire network. This is a new approach where ...
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Chinese hackers behind U.S. ransomware attacks - security firms

Reuters was the first out with a story about criminal Chinese hackers also trying to get into the ransomware racket. They started out with: "Hackers using tactics and tools previously ...
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Scam Of The Week: TurboTax Phishing Attack

It's tax season and the bad guys are in full swing. They try to get your Accounting or HR team to send over the W-2s of all employees, but they also target employees in the office and/or ...
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SURVEY: Even if You Don't Pay, Ransomware Attacks Are Very Expensive

According to a new survey by Intermedia called "2016 Crypto-Ransomware Report", ransomware attacks are increasingly targeting larger companies, costing them dearly. Employees are usually ...
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New KnowBe4 Phishing Templates

We have added a dozen new phishing templates in the past few days. All are based on actual bad guy phishing emails seen in the last 2 weeks. At least one is less than 24 hours old. Most ...
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TeslaCrypt Ransomware v3.01 Updated With Unique Keys For Each Victim

TeslaCrypt is a relatively new ransomware variant which has made it in the Top 5, and has rapidly innovated in its efforts to evade detection. The latest version which is one of the most ...
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Ransomware Attacks Use NY Times, BBC, Other Media Sites

Over the weekend, The NY Times, BBC, Newsweek, AOL, MSN, The HIll and other major news sites had their ad networks hijacked again by criminals using the Angler Exploit Kit to deliver ...
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Inoculate Employees Against The Locky Ransomware

KnowBe4 has immediately responded to Dridex's Locky ransomware attack by releasing a new attachment option which is called "MS Office document with Macro". This new option allows a ...
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CyberheistNews Vol #6 #11

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Deadly Dridex Cybercrime Gang Has Just Moved Into Ransomware

One thing that is driving mainstream recognition of ransomware is the move by the Dridex banking Trojan gang into ransomware with their Locky strain. They have taken over from CryptoWall, ...
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The structure of Russia's exports in 2014, including ransomware

Check the orange slice depicting the percentage of ransomware exports. I found this on someone's twitter feed and loved it!
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Hackers Spoil Their $1 Billion Cyberheist With a Typo

It helps to know how to spell when you try to rob a billion from a dirt poor country. A spelling mistake thwarted hackers in stealing a $1 billion dollars from the Bangladesh Bank, and ...
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Weird New Cerber Ransomware Speaks To Its Victims

There is a new strain of ransomware called Cerber that takes creepiness to the next level. It drops three files on the victim's desktop named "# DECRYPT MY FILES #." These files contain ...
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IRS Warns Against A Widespread CEO Fraud Phishing Scam

OK, heads up! This tax season there is a widespread new scam that specifically targets your HR and Accounting professionals. They get an urgent email from "the CEO" who asks them for all ...
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CEO Fraud Phishing Attack steals 11,000 W-2s From Health Care Workers

A phishing incident has compromised the personal information of 11,000 Pennsylvania Main Line Health employees. Officials said the incident occurred on Feb. 16 when an employee fell for a ...
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CyberheistNews Vol 6 #9 How To Suck At Information Security – A Cheat Sheet

CyberheistNews Vol Vol 6 #9 How To Suck At Information Security – A Cheat Sheet Lenny Zeltser is a business and tech leader with extensive experience in Infosec. His areas of expertise ...
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