Data verified Apr 2026
ADYour product here. Reach security decision-makers.Launch a campaignJA3 Description
JA3 is a method for creating SSL/TLS client fingerprints that can be easily shared for threat intelligence. It was invented at Salesforce in 2017 but is now maintained by John Althouse at FoxIO-LLC. The project includes JA3 and JA3S scripts for Zeek and Python, with support added to various cybersecurity tools and platforms.
JA3 FAQ
Common questions about JA3 including features, pricing, alternatives, and user reviews.
JA3 is A method for profiling SSL/TLS Clients with easy-to-produce client fingerprints. It is a Threat Management solution designed to help security teams with TLS, SSL, Cyber Threat Intelligence.
Have more questions? Browse our categories or search for specific tools.
