Add alumni and event details to index.md

Author: monperrus

index.md

@@ -109,6 +109,8 @@ Chains alumni: [Deepika Tiwari](https://deee92.github.io/), [Arvid Siberov](http
 
 
 ## Events & Talks
+
+- Dec 17 2025, Konflux Secure Software Factory and Hermeto, Adam Kaplan (Red Hat)
 - June 17 2025: [The Academic Nordic Blockchain Workshop 2025](academic-nordic-blockchain-2025.md)
 - April 25 2025: [4th KTH Workshop on the Software Supply Chain](software-supply-chain-workshop-4.md)
 - April 27 2025: Talk: "Software supply chain attacks and defenses for Web3", Martin Monperrus, University of Zurich