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

[Whoa] Ransomware Strains Almost Double in Six Months from 5,400 to 10,666

A recent report from FortiGuard Labs saw ransomware strains double in total so far compared to 2021, and the year is not over yet.

Piggybacking: Social Engineering for Physical Access

Tailgating or piggybacking is an old but effective social engineering technique to gain physical access to restricted areas, according to Rahul Awati at TechTarget. Tailgating is when a ...

One-Third of Organizations Experience Ransomware Attacks At Least Weekly

New data shows attempted ransomware attacks are occurring far more frequently while a lack of confidence is found in security measures and solutions to stop ransomware attacks.

Impersonation Phishing Attacks Increase as Credentials Take the Lead as the Primary Target

New data shows an upswell of email-based cyberattacks, with over 256 brands being impersonated, as social media, Microsoft, shipping, and ecommerce brands top the list.

Hybrid Vishing Attacks Increase 625% in Q2

Reaching a six-quarter high in Q2, hybrid vishing attacks have increased six times that of the hybrid-vishing attacks experienced in Q1 2021.

Organizations Holding Cyber Insurance Policies May Get Stuck with the Bill in a Phishing Loss

Plenty of new anecdotal and legal case-based stories are demonstrating that just because your organization has a policy doesn’t mean it’s actually going to pay out after an attack.

Social Engineering for Espionage and Influence

Microsoft has disrupted operations carried out by a Russian government-aligned threat actor tracked as “SEABORGIUM.” The threat actor uses phishing and credential harvesting to conduct ...

Children of Conti go Phishing

Researchers at AdvIntel warn that three more ransomware groups have begun using the BazarCall spear phishing technique invented by the Ryuk gang (a threat group that subsequently ...

Initial Access Broker Phishing

Cisco has disclosed a security incident that occurred as a result of sophisticated voice phishing attacks that targeted employees, according to researchers at Cisco Talos. The researchers ...

U.S. Government Warns of Increased Texting Scams as Mobile Attacks are Up 100%

Cyberattacks via SMS messaging are on the rise, and are having such an impact, the Federal Communications Commission has released an advisory on Robotext phishing attacks (or smishing).

Massive Network of Over 10,000 Fake Investment Sites Targets Europe

Using a mix of compromised social media accounts, social engineering, call center agents, and some convincing websites, this latest scam seeks to get victims to repeatedly “invest”.

Phishing-as-a-Service Platform “Robin Banks” Helps Cybercriminals Target Customers of Financial Institutions

Initial Access Brokers (IABs) are one of the new breeds of cybercrime services. But this newest PhaaS platform makes it easy for anyone to target banks for as little as $50 monthly.

92% of Organizations Have Experienced a Security Incident as a Result of an Email-Borne Threat

New data shows that not only are email-borne threats increasing, but that current integrated cloud email security solutions do little to detect and stop advanced email-based threats.

New Paypal Phishing Scam Uses “Legitimate” Invoices to Reach Victim Inboxes

Newer phishing scams are looking for ways to make legitimate websites do the work of delivering malicious messages to unsuspecting victims – this new scam achieves it perfectly.

SolidBit Ransomware Targets League of Legends Players

Researchers at Trend Micro warn that a SolidBit ransomware variant is being distributed via fraudulent software targeting video game players and social media users. The malware is being ...

Recent Cisco Hack by Ransomware Group Started Because of a Phishing Attack

In a recent article by Forbes, Cisco confirmed that they were hacked by a ransomware group as the group of cybercriminals published a partial list of files that were claimed to be ...

The Top 8 Most Common Types of DNS Records

This article is a good technical overview of DNS that can help you prevent spoofing. This is a cross-post from the EasyDMARC blog, a new KnowBe4 Ventures portfolio company.

DPRK Operators Impersonate CoinBase

North Korea’s Lazarus Group is running a new phishing campaign targeting Coinbase accounts, BleepingComputer reports. The threat actors are posing as Coinbase and targeting people with ...

New Phishing Campaign is Now Targeting Coinbase Users

If you're a Coinbase user, you are most likely the next target of a new phishing campaign. Cybercriminals have managed to infiltrate two-factor authentication and deploying other social ...


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