Emerging Threats is a leading team for providing intrusion defense signatures. Matt Jonkman is the owner and main researcher of this team. He is one of the leading contributors in the field of information security and he has been really active for decades. Apart from signature development and analysis, this team has been one of the leading researching groups for Malware related activity.
Milw0rm is one among the best websites known for rich collection of exploits. There are many sites where exploits can be found, but to find a working exploit, it is quite hard. Str0ke has taken effort and care in making sure that the exploits submitted to him really work, with his expertise in the field. Evilfingers will be using milw0rm's exploits in many toolkits and frameworks.