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
Apps similar to Knowbe4 include Cisco Umbrella, which has a free version. Other options are Shira, Webit, Shovl Website Security and Gophish . You can choose from more than 10 Anti-Spam Tools like Knowbe4 for the web, Windows, self-hosting, Mac and Linux.
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...



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



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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.




CyberHoot is a sleek and easy platform that provides security awareness training, a pioneering zero-configuration phish testing, dark web monitoring, and more.
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