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.

Books

Cyberheist E-Book

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U.S. Universities are the Target of Chinese Hackers Seeking Undersea Military Secrets

Mar 22, 2019 11:27:37 AM By Stu Sjouwerman

Schools like MIT and the University of Hawaii are the focus of Chinese hackers looking for research hubs or field experts at universities tied to Navy programs.

Cyber Attacks on Financial Institutions are the Modern-Day Bank Robbery

Mar 22, 2019 11:19:00 AM By Stu Sjouwerman

The financial sector has long been a target of cyber thieves. But despite their robust security postures, they continue to be the focus of some of the most innovative attack campaigns.

UK’s Police Federation Hit By Ransomware

Mar 22, 2019 11:12:09 AM By Stu Sjouwerman

The U.K.’s Police Federation has confirmed it has been hit by a cyberattack. The union-like organization, representing 119,000 police officers across the 43 forces in England and Wales, ...

WOW, Phishing Attacks Are Now More Common Than Malware!

Mar 21, 2019 3:07:32 PM By Stu Sjouwerman

Microsoft’s security team is uniquely positioned to analyze trends in cyber security threats. Their frequent Security Intelligence Reports (SIR) are an excellent indicator of these ...

Beazley Data Reveals A 133% Increase In Business Email Compromise Incidents From 2017 To 2018

Mar 21, 2019 9:50:40 AM By Stu Sjouwerman

Business email compromises (BEC) accounted for 24% of the overall number of incidents reported to Beazley Breach Response (BBR) Services in 2018, compared to 13% in 2017, according to a ...

Bots Impersonate Organizations to Spread Disinformation

Mar 21, 2019 7:14:28 AM By Stu Sjouwerman

Four congressmen have written to the FBI to request an investigation into social media accounts that are impersonating veterans’ organizations in order to spread fake news, according to ...

[Heads-up] Cybercriminals Are Moving To Mobile Phishing for Gift Cards Scams

Mar 21, 2019 7:04:55 AM By Stu Sjouwerman

Scammers are shifting to SMS to carry out business email compromise (BEC) attacks, since text messaging offers less visibility to the victim and more flexibility to the attacker, says ...

Another Major Hack Of Singapore Government By Russian Cyber Criminals

Mar 21, 2019 6:55:42 AM By Stu Sjouwerman

SINGAPORE Straits Times reported that e-mail log-in information of employees in several government agencies and educational institutions, as well as details of more than 19,000 ...

Phishing campaign targets Instagram users with fake copyright notices

Mar 20, 2019 4:19:26 PM By Stu Sjouwerman

A new phishing campaign targeting Instagram users is using fake copyright infringement notices to steal user credentials.

CISOs: Users and Collaborative Security Efforts are the Key to Protecting the Organization from Attack

Mar 20, 2019 2:17:37 PM By Stu Sjouwerman

Cisco’s CISO Benchmark Report 2019 focuses on the need for security collaboration between internal teams and the inclusion of users as part of an effective cybersecurity program.

Blackmail and Sextortion Attacks Use Panic and Threats to Lure Their Victims

Mar 20, 2019 2:14:23 PM By Stu Sjouwerman

Preying on a victim’s fear of having “private” browsing details leaked sits at the center of these well-crafted attacks that leverage stolen or harvested passwords to establish ...

Global spending on security hardware, software and services will top $103 billion in 2019, up 9.4 percent from 2018

Mar 20, 2019 11:35:12 AM By Stu Sjouwerman

Global spending on security hardware, software and services will top $103 billion in 2019, up 9.4 percent from 2018, with large enterprises spending the most, according to IDC data.

BEC Scammers Stole $170,000 From Two Defense Contractors and a University

Mar 20, 2019 8:36:33 AM By Stu Sjouwerman

Two defense contractors and a university lost approximately $170,000 from business email compromise (BEC) scams last year, according to an FBI advisory obtained by CyberScoop. The ...

Very Few Professionals are Confident in Their Phishing Defense Assessments

Mar 20, 2019 6:51:13 AM By Stu Sjouwerman

New research from ISACA and Terranova Security found that just 12% of security, assurance, risk and governance professionals are confident in their ability to assess the effectiveness of ...

One in Seven Healthcare Employees Will Fall for Phishing Emails

Mar 20, 2019 6:45:40 AM By Stu Sjouwerman

A study recently published in the Journal of the American Medical Association highlights how vulnerable the healthcare sector is to phishing attacks, according to Jessica Davis at Health ...

The Phishing Bait is Bitcoin; the Hook is a Clipboard Hijacker

Mar 19, 2019 4:21:59 PM By Stu Sjouwerman

A new phishing campaign is spreading malware through emails that claim to have Bitcoin investment updates, according to My Online Security. The emails direct the victim to download an ...

Big Norwegian Aluminum Producer Norsk Hydro Suffers Major Ransomware Attack

Mar 19, 2019 11:11:56 AM By Stu Sjouwerman

Norsk Hydro ASA, one of the world’s biggest aluminum producers, suffered production outages after a ransomware attack affected operations across Europe and the U.S.

CyberheistNews Vol 9 #12 Triton Is the World’s Most Murderous Malware, and It’s Spreading

Mar 19, 2019 9:47:02 AM By Stu Sjouwerman

[World Premiere] KnowBe4's New 12-Episode Security Awareness Video Series - The Inside Man

Mar 19, 2019 6:39:09 AM By Stu Sjouwerman

We’re excited to announce the world premiere of an innovative new security awareness video series for our customers called ‘The Inside Man’. In KnowBe4’s new 12-episode video series, a ...

Online Retail Experienced 28 Billion Credential Stuffing Attacks Occurred in the Second Half of 2018

Mar 18, 2019 8:16:56 PM By Stu Sjouwerman

Mass automated attacks using stolen credentials are on the rise, according to Akamai’s 2019 State of the Internet / Retail Attacks and API Traffic report, putting consumers and retailers ...

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