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How JA3 and JA4 Network Fingerprints Came to Be

1 min read

Join John Althouse, Founder and CTO of FoxIO, and Vlad Iliushin, Founder of ELLIO, as they dive into network fingerprints JA3 and JA4. Discover how John revolutionized network fingerprinting and tackled industry challenges.

Podcast screenshot showing John Althouse from FoxIO and Vlad Iliushin from ELLIO discussing "How the JA3 and JA4 Network Fingerprints Came to Be" on ELLIO Podcast

Who is John Althouse

John takes us on a journey from his early days hacking school computers and playing Counter-Strike 1.3 to becoming the Director of Threat Detection at Salesforce and founding FoxIO, where he developed JA3 and JA4. 

Listen to the Full Podcast

In the podcast, John shares lessons from his experiences at Symantec and Salesforce, discusses the challenges of open-sourcing security tools, and offers practical advice for aspiring cybersecurity professionals.

 Catch the full episode onSpotify or YouTube and learn how John transformed network fingerprinting, overcame industry hurdles, and why JA3 and JA4 are game-changers in cybersecurity. Whether you’re passionate about tech innovation, network security, or entrepreneurial success stories, this episode is a must-listen!

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Written by

ELLIO Community Team
ELLIO Community Team

A team of passionate brand evangelists at ELLIO, connecting and supporting the cybersecurity community through events, knowledge sharing, and collaboration.