From Adoption to Innovation: LinkedIn’s SPIRE Journey - Junyuan Zeng & Wei Zhang, LinkedIn
Presenters Junyuan Zeng Wei Zhang Source OpenSource SecurityCon NA 2025 LinkedIn’s Identity Revolution: From Fragile PKI to Spire-Powered Security! 🚀 Ever feel like your security infrastructure is a house of cards? 🃏 That’s exactly where LinkedIn found itself a few years ago. Their homegrown Public Key Infrastructure (PKI) system, built on a basic Python server, was buckling under the weight of their massive microservice architecture. It was a system that screamed “legacy” – lacking scalability, standard identity formats, and the ability to efficiently manage certificates. Imagine trying to build a skyscraper on a sandcastle foundation! 🏗️ ...