Cisco Umbrella (formerly OpenDNS) provides the first line of defense against threats on the internet wherever users go.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Online
Knowbe4 is described as 'KnowBe4 is the world’s largest integrated platform for security awareness training combined with simulated phishing attacks' and is an app. There are more than 10 alternatives to Knowbe4 for a variety of platforms, including Web-based, SaaS, Self-Hosted, Windows and Docker apps. The best Knowbe4 alternative is Cisco Umbrella, which is free. Other great apps like Knowbe4 are Shira, Webit, Shovl Website Security and Gophish .
Cisco Umbrella (formerly OpenDNS) provides the first line of defense against threats on the internet wherever users go.
Webit provides you advanced cognitive services to build powerful and scalable web connected applications.
Shovl provides simple website security for small businesses. The cloud based security service helps prevent DDoS attacks, abusive bots and hackers from compromising your website. Offering a battle tested solution which has mitigated thousands of DDoS attacks and millions of hack...



Gophish is an open-source phishing toolkit designed for businesses and penetration testers. It provides the ability to quickly and easily setup and execute phishing engagements and security awareness training.

Visitor verification that blocks scrapers, bots, and attacks before they reach your site. Zero false positives. Works with any platform.



Lucy Powered by ThriveDX allows organizations to measure and improve the security awareness of employees and test the IT defenses.

Phishing simulation and security awareness training that delivers through your own Microsoft 365 or Google Workspace tenant and exports audit evidence for ISO 27001, SOC 2 and NIS2.




Phishing Club is an open source, self hosted platform for phishing simulations and authorized red team phishing. Organizations install it on their own servers with a single command or through Docker, so every campaign and all the data it gathers stay in house.




CyberHoot is a sleek and easy platform that provides security awareness training, a pioneering zero-configuration phish testing, dark web monitoring, and more.
Developer security training built for SOC 2 and ISO 27001 audits. OWASP Top 10:2025 and General Security Awareness courses with quizzes, attestations and exportable compliance reports.




Nimblr Security Awareness is an online training platform designed to strengthen end-user security awareness and minimize



