Human Risk Management Blog

Keeping you informed. Keeping you aware.
Stay on top of the latest in security including social engineering, ransomware and phishing attacks.

Stu Sjouwerman

Founder and Executive Chairman

Stu Sjouwerman (pronounced “shower-man”) is the Founder and Executive Chairman 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

Regular Facebook Users Are More Likely To Fall For Phishing Scams

Techcrunch was the first one to report on some very interesting findings:

New KnowBe4 Whitepaper: A Short History of Ransomware

CyberheistNews Vol 4, # 37 Symantec: Crypto Ransomware Phishing Up 700 Percent in 2014

CyberheistNews Vol 4, # 37

Home Depot Hit By Same Russian Hackers As Target

Right after the Target Hack, C-level execs at Home Depot Inc. put together a task force to prevent being the victim of a similar attack. The task force recommended to fully encrypt ...

Symantec: Crypto Ransomware Phishing Up 700 Percent in 2014

Very interesting data from Symantec. This is fresh from the press and shows Phishing, Spam and Malware trends. There is a PDF with a whole bunch more data, but these are the most relevant ...

We Are At War In The Digital World

I just read an opinion editorial in the Wall Street Journal that really did clarify the new threat we are faced with this last decade. "Ten years ago, the 9/11 Commission Report triggered ...

Cyber Criminals Use AEA-256 Crypto To Obfuscate Phishing Sites

The Register said: "Well, at least someone listened to Snowden about privacy... Phishing fraudsters have begun using industry-standard AES-256 encryption to disguise the content of ...

CyberheistNews Vol 4, 36 Scam Of The Week: Bitcoin Wallet Theft

CyberheistNews Vol 4, # 36

Five Reasons Why Clicking "Unsubscribe" May Be A Bad Idea

When you get on a mailing list you don't want to be on, it's easy to get off – just click on the "unsubscribe" link. But should you? Sophos Naked Security says maybe not. When you ...

New Ransomware Discovered Called CryptoGraphic Locker

Panda researcher BartBlaze discovered a new strain of ransomware called CryptoGraphic Locker. Bleepingcomputer wrote: "Just like other encrypting ransomware, this infection will scan your ...

CyberheistNews Vol 4, # 35 Scam Of The Week: Jennifer Lawrence

CyberheistNews Vol 4, # 35

Is The Home Depot Hack Really Russian Retaliation?

Brian Krebs blogged: "Multiple banks say they are seeing evidence that Home Depot stores may be the source of a massive new batch of stolen credit and debit cards that went on sale this ...

Scam Of The Week: Jennifer Lawrence Nude Pictures Phishing

There is a new (true) Current Event which unfortunately is the ultimate click bait. A hacker got into the Apple iCloud and hacked the account of Jennifer Lawrence and many other celebs.

Meet CryptoWall, The New Ransomware Leader (with heatmap)

Malware comes in waves. CryptoLocker was the first major, vicious ransomware, and set off a bunch of copycats. Recently 16 competing ransomware gangs were identified. After CryptoLocker ...

Chase Is Asking For Phishing Trouble

Chase bank says to click links if you suspect phishing. Huh? Yup, they do. Check out this email from Chase, scratch your head, and do not make this error in your own organization. If you ...

J.P. Morgan Hacked Because Malware Infects Employee PC

This morning, the Wall Street Journal reported on the front page that J.P. Morgan was hacked and suffered a cyberheist called "a significant breach of corporate computer security".

Bitcoin Phishing Click Rate Higher Than Regular Scams

The Proofpoint Threatinsight blog reported on something curious. They called their posting "Curiosity Clicks: Using Bitcoin’s hype for phishing fun" and came up with some interesting ...

CyberheistNews Vol 4, # 34 Cryptolocker Being Spread Via YouTube Ads

CyberheistNews Vol 4, # 34

A cybersecurity video you should really watch

Cybersecurity as Realpolitik by Dan Geer at Black Hat USA 2014

900,000 Android Phones Hit by Ransomware in 30 days

August 22, 2014 - Nicole Perlroth at the New York Times wrote: "You are guilty of child porn, child abuse, zoophilia or sending out bulk spam. You are a criminal. The Federal Bureau of ...


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