Ivan Ristic

Red Sift’s Chief Scientist, Hardenize founder, SSL Labs creator, and acclaimed security author.

Ivan Ristić writes computer security books and builds security products. His book “Bulletproof TLS and PKI”, the result of more than a decade of research and study, is widely recognized as the de-facto SSL/TLS and PKI reference manual. His work on SSL Labs made millions of websites more secure. Before that, he created ModSecurity, a leading open-source web application firewall. 

Ivan founded Hardenize - now part of Red Sift - as a platform for continuous security monitoring that helps organizations and individuals worldwide make the best of available network and security standards. Ivan is Chief Scientist at Red Sift.