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.

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Interest in Infostealer Malware Within Cyberattacks Spikes as MFA Fatigue Attacks Increase

Dec 14, 2022 2:02:41 PM By Stu Sjouwerman

New analysis of dark web forums shows an increase in discussions around the use of infostealer malware as part of both the first attack within a campaign or as part of an initial access ...

October and November Have Been the Two Busiest Months for Ransomware

Dec 14, 2022 2:01:13 PM By Stu Sjouwerman

Trending data going back to January of 2020 shows that ransomware attacks are continually increasing in number with unusual highs in the 4th quarter.

Utility Bill is the New Phishbait for Cybercriminals

Dec 14, 2022 9:12:45 AM By Stu Sjouwerman

An SMS phishing (smishing) campaign is impersonating utility providers in the US, Cybernews reports. Researchers at Enea AdaptiveMobile Security spotted the campaign, which informs ...

Ughh. FBI’s Vetted Threat Sharing Network ‘InfraGard’ Hacked

Dec 14, 2022 6:12:35 AM By Stu Sjouwerman

Investigative reporter Brian Krebs reported December 13, 2022 that "InfraGard, a program run by the U.S. Federal Bureau of Investigation (FBI) to build cyber and physical threat ...

CyberheistNews Vol 12 #50 [EYE OPENER] How ChatGPT Can Be Used for Social Engineering

Dec 13, 2022 9:30:00 AM By Stu Sjouwerman

[CASE STUDY] New-school Approach to Training and Simulated Phishing Shines Over Traditional LMS

Dec 12, 2022 1:49:34 PM By Stu Sjouwerman

A U.S.-based enterprise manufacturing organization cut their Phish-prone Percentage™ (PPP) by more than 80% after five months using the KnowBe4 security awareness training and simulated ...

[EYE OPENER] How ChatGPT Can Be Used For Social Engineering

Dec 10, 2022 10:12:36 AM By Stu Sjouwerman

ChatGPT could give Google a serious run for its money. We are not quite there yet, but the capabilities are rapidly improving. Just have a look at the command I gave it. In 5 seconds the ...

Incident Response Actions are Systematically Reversed by Hackers to Maintain Persistence

Dec 8, 2022 4:33:52 PM By Stu Sjouwerman

Analysis of attacks on two cellular carriers have resulted in the identification of threat actions designed to undo mitigations taken by security teams mid-attack.

New Modular Attack Chain Found That Allows Attackers to Change Payloads Mid-Breach

Dec 8, 2022 4:33:45 PM By Stu Sjouwerman

We’ve long known developers of cyberattacks to be crafty and focus a lot of energy on obfuscation, but a new attack can shift gears midstream, delivering just the right malware.

Scammer Group Uses Business Email Compromise to Impersonate European Investment Portals

Dec 8, 2022 8:58:00 AM By Stu Sjouwerman

A sophisticated scammer group has stolen at least €480 million from victims in France, Belgium, and Luxembourg since 2018, according to researchers at Group-IB. The gang uses a highly ...

[Eye Opener] Cybersecurity Resilience Emerges as Top Priority as 62% of Companies Say Security Incidents Impacted Business Operations

Dec 8, 2022 6:51:35 AM By Stu Sjouwerman

Cisco's annual Security Outcomes Report shows executive support for a security culture is growing. The report identifies the top seven success factors that boost enterprise security ...

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Stu Sjouwerman

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Recent Posts

Interest in Infostealer Malware Within Cyberattacks Spikes as MFA Fatigue Attacks Increase

October and November Have Been the Two Busiest Months for Ransomware

Utility Bill is the New Phishbait for Cybercriminals

Ughh. FBI’s Vetted Threat Sharing Network ‘InfraGard’ Hacked

CyberheistNews Vol 12 #50 [EYE OPENER] How ChatGPT Can Be Used for Social Engineering

[CASE STUDY] New-school Approach to Training and Simulated Phishing Shines Over Traditional LMS

[EYE OPENER] How ChatGPT Can Be Used For Social Engineering

Incident Response Actions are Systematically Reversed by Hackers to Maintain Persistence

New Modular Attack Chain Found That Allows Attackers to Change Payloads Mid-Breach

Scammer Group Uses Business Email Compromise to Impersonate European Investment Portals

[Eye Opener] Cybersecurity Resilience Emerges as Top Priority as 62% of Companies Say Security Incidents Impacted Business Operations

Cyber Insurers Focus on Catastrophic Attacks and Required Minimum Defenses as Premiums Double

Archives Overtake Office Documents as the Most Popular File Type to Deliver Malware

[On-Demand] Ransomware, Ransom-war and Ran-some-where: What We Can Learn When the Hackers Get Hacked

Russian Threat Actor Impersonates Aerospace and Defense Companies

CyberheistNews Vol 12 #49 [Keep An Eye Out] Beware of New Holiday Gift Card Scams

Credential Phishing with Apple Gift Card Lures

Inside NATO’s Efforts To Plan For A Future Cyberwar

New Threat Group Already Evolves Delivery Tactics to Include Google Ads

Latest Netflix-Impersonated Phishing Attacks Surge in Frequency by 78% Since October

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