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

SEC Issues Warning on Increased Ransomware Attacks

The Securities and Exchange Commission, through its Office of Compliance Inspections and Examinations (OCIE), issued a warning to advisors and broker-dealers to “immediately” review their ...

KnowBe4 Finds Coronavirus-Themed Phishing Spiked in Q2 2020 [INFOGRAPHIC]

The latest results of KnowBe4's quarterly top-clicked phishing email subjects are in. We report on three different categories: social media related subjects, general subjects, and 'in the ...

[ALERT] More Than 10% of Ransomware Attacks Now Involve Data Theft / Data Breach

Research into recent ransomware submissions from TripWire revealed that more than a tenth of crypto-malware infections now involve some element of data theft.

Scammers Impersonate Hospital Personnel

Scammers are seeking to obtain personal information by impersonating Canadian hospital staff over the phone, NEWS 1130 reports. Vancouver Coastal Health issued an alert in which the ...

The Bad News: Only 5% of Your Users Can Effectively Spot a Phishing Attack

A recent phishing quiz promoted to U.K. users to see if they could identify the phish revealed dismal results where nearly all users couldn’t tell the difference 100% of the time.

[Heads Up] Scam of The Week: Watch Out For This COVID Class Action Workplace Lawsuit

Major Law Firm Fisher Philips warned that COVID-19 workplace lawsuits are increasing exponentially. Of the 283 recent COVID-19 workplace lawsuits tracked, 122 of them, or 43%, were filed ...

DMs Promise Enhanced Pictures, but Deliver Malicious Links

Scammers are sending phishing messages on Instagram telling users to check out some edited versions of their photos, according to John Finn at Screen Rant. Finn explains that the scammers ...

It’s Worse Than You Thought: Remote Employees Interaction with Unsafe Websites is Up 50%

New data shows just how frequently remote users are accessing risky web content that would normally be blocked by firewalls and other network monitoring solutions.

Monkeying Around for Office 365 Credentials

Criminals are abusing SurveyMonkey to host redirect links to an Office 365 phishing page, researchers at Abnormal Security have found. The emails contain links to a real SurveyMonkey ...

6000% Increase in Phishing Attacks Leveraging COVID-19, Healthcare Industry Often The Target

On July 3rd just before the holiday weekend, Mount Auburn Hospital's IT team identified suspicious activity. Alarmed, they quickly took steps to disconnect the Cambridge hospital's ...

Ragnar Locker Ransomware Attacks Energy Company, Potentially Stealing 10TB in Data

In a letter to customers, EDP Renewables North America CEO acknowledges the attack occurred back in April of this year, but claims “no evidence” of data theft exists.

Thanos Ransomware Attacks Now Disable Backups, Avoid Detection, and Impersonate the OS

Recent updates to the well-known Ransomware-as-a-Service – including the addition of RIPlace – make Thanos a formidable challenge for even well-secured organizations.

Vishing Attacks Yield Phone Fraud Take of Over $100 Million

While not a new tactic, vishing presents cybercriminals with an attack method that’s perfectly aligned with the pandemic shifts to remote workforces.

Ransomware Attacks on Manufacturing Yield an Average Payout of $271K

New data shows just how much major industries are paying out to remediate successful ransomware attacks, despite guidance to never pay the ransom.

[HEADS UP] Office 365 Phishing Attacks Now Use Fake Zoom Suspension Alerts

Microsoft Office 365 users are targeted by a new phishing campaign using fake Zoom notifications to warn those who work in corporate environments that their Zoom accounts have been ...

Back-to-School: a Buzzkill in More Ways than One

40% of the top twenty universities in the US aren’t using DMARC to mitigate phishing attacks that impersonate the universities’ domains, according to researchers at Tessian. Additionally, ...

[On-Demand Webinar] Hackers Exposed: Kevin Mitnick Shares His Tradecraft and Tools to Help You Hack Proof Your Network

Months of quarantine, transitioning to work from home, economic uncertainty, social and political turmoil… it’s easy to see why your employees are amped up, tense and distracted. And the ...

More Than 15 Billion Credentials Are For Sale in Criminal Markets

Researchers at Digital Shadows warn that there are more than 15 billion leaked login credentials for sale in online criminal marketplaces. This number is up 300% since 2018, and the ...

How To Get And Stay Compliant With The New California Consumer Privacy Act (CCPA):

California's new AB 375 privacy law is not as bad as GDPR, but the details are still in flux. CCPA does not have some of GDPR's most scary requirements like the very short 72-hour window ...


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