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KnowBe4 is a technology company.
KnowBe4 offers a Human Risk Management (HRM+) platform for security awareness training, simulated phishing, and advanced email security. It educates employees to recognize and report cyber threats, strengthening the "human firewall" and fostering a resilient security culture across enterprise environments. This integrated approach aims to proactively mitigate the significant risks associated with human error in cybersecurity.
The company was founded in 2010 by Stu Sjouwerman, a veteran entrepreneur known for co-founding Sunbelt Software. Sjouwerman identified human behavior as a primary cybersecurity vulnerability, realizing that technology alone was insufficient against sophisticated social engineering attacks. Renowned ethical hacker Kevin Mitnick later joined, contributing invaluable expertise to the platform's development and content.
KnowBe4 serves organizations seeking to enhance cybersecurity through workforce empowerment. Its platform measurably reduces human risk, transforming employees into an active defense layer against evolving cyber threats. The company envisions establishing a globally vigilant security culture, continually adapting its offerings to neutralize human-targeted attack vectors and secure digital environments.
KnowBe4 has raised $338.0M across 3 funding rounds.
KnowBe4 has raised $338.0M in total across 3 funding rounds.
KnowBe4 is a leading cybersecurity company that provides an AI-driven Human Risk Management (HRM+) platform, focusing on security awareness training, simulated phishing, cloud email security, real-time coaching, and AI defense agents to mitigate human-related cyber threats.[3][4][5] It serves over 70,000 organizations worldwide, including 47 of the top 50 cybersecurity firms, IT, InfoSec, and HR teams, by transforming employees from the largest attack surface into the organization's biggest asset through personalized training and tools that reduce phishing susceptibility and build security culture.[3][4] The platform addresses the human element in cybersecurity—often the weakest link—via interactive modules, gamification, instant feedback, and compliance training, earning top rankings like #1 in G2 Winter 2025 for Security Awareness Training and SOAR, plus Cybersecurity Company of the Year at the 2025 teissAwards.[3][5]
Founded in 2010 and headquartered in Clearwater, Florida, KnowBe4 has demonstrated strong growth momentum, from pioneering integrated training in 2015 to consistent analyst leadership and widespread adoption, reflecting its effectiveness in a market where human error drives most breaches.[1][6]
KnowBe4 was founded in 2010 by Stu Sjouwerman in Clearwater, Florida, initially as a provider of internet-based security awareness training.[1][6] Sjouwerman, drawing from his experience in IT security, recognized the critical gap in addressing human vulnerabilities after observing persistent social engineering risks in enterprises.[6] A pivotal moment came in 2011 when Sjouwerman partnered with Kevin Mitnick, the famed "World’s Most Famous Hacker," giving him half the company in exchange for Mitnick's 30 years of hacking expertise to enhance training realism and credibility.[6]
Early traction accelerated in 2014 with inclusion in the Gartner Magic Quadrant for Security Awareness Computer-Based Training, followed by becoming the world's most popular integrated Security Awareness Training and Simulated Phishing platform in 2015 with over 1,000 enterprise customers.[6] Milestones like raising $8M in 2016 VC funding, Inc. 500 ranking at #139, and launching a UK subsidiary in 2017 fueled expansion, culminating in recognition as Cybersecurity Company of the Decade (2010-2020) for its growth, innovation, and industry impact.[6]
KnowBe4 stands out in the crowded cybersecurity training market through these key strengths:
These elements deliver superior developer/admin experience, speed, and ROI compared to competitors like Cofense, NINJIO, or HoxHunt.[1]
KnowBe4 rides the surging wave of human-centric cybersecurity, where human error accounts for 74-95% of breaches, amplified by AI-powered social engineering, remote work, and expanding attack surfaces.[2][3][6] Its timing is ideal amid rising ransomware and phishing sophistication post-2020, as regulations demand compliance training and enterprises shift from reactive tools to proactive behavior management—KnowBe4's HRM+ fills this by mobilizing workforces as active defenders.[4][5]
Market forces like AI threat evolution and talent shortages favor its adaptive platform, influencing the ecosystem through industry benchmarks (e.g., Gartner leadership), partnerships with top cybersecurity firms, and cultural shifts toward "security as a habit" via 70,000+ customers.[3][6] By integrating with SOAR and email security, it bridges silos, setting standards for holistic risk reduction and enabling peers to prioritize human factors over tech alone.[3]
KnowBe4's trajectory points to deeper AI integration, global expansion, and platform convergence—potentially acquiring or partnering for endpoint/identity enhancements to own end-to-end human risk orchestration.[3][5] Trends like generative AI phishing, zero-trust mandates, and quantum-resistant training will shape its path, amplifying demand as breaches cost trillions annually. Its influence may evolve from training leader to indispensable enterprise stack component, sustaining dominance through relentless innovation and user-validated excellence.[3][6]
This positions KnowBe4 as the gold standard for turning human vulnerability into strength, echoing its origin as a hacker-informed disruptor now empowering the world's security teams.[6]
KnowBe4 has raised $338.0M in total across 3 funding rounds.
KnowBe4's investors include Patrick Devine, Elephant, Mark Hatfield, Hans Sherman, H.I.G. Capital, Andrew Hunt.
KnowBe4 has raised $338.0M across 3 funding rounds. Most recently, it raised $300.0M Other Equity in June 2019.
| Date | Company | Round | Lead Investor(s) | Co-Investor(s) |
|---|---|---|---|---|
| Aug 5, 2022 | Lumu | $8.0M Other Equity | Paul Judge | Lane Bess, Tom Noonan, KnowBe4 Ventures |
| Date | Round | Lead Investors | Other Investors |
|---|---|---|---|
| Jun 12, 2019 | $300.0M Other Equity | Patrick Devine | Elephant, Mark Hatfield |
| Oct 1, 2017 | $30.0M Series B | Hans Sherman | H.I.G. Capital, Elephant |
| Feb 2, 2016 | $8.0M Series A | Andrew Hunt |