I found an interesting website about Intrusion Detection Sytem (IDS). I think this website is suitable for security analyst to catch up and improve their knowledge about IDS, honeypots, honeynets, and also incident handling. There are a lot of interesting articles in this website about network security. I think if you want to become a security analyst, you should browse and read resources this website:
I hope this link will help you to improve knowledges about network security concept, network security procedures and other things related to it.