Conferences and User Groups
SANS and GIAC Training
http://www.sans.org
USENIX Security Symposium
http://www.usenix.org/events
USENIX Large Installation Systems Administration (LISA)
http://www.usenix.org/events/l
Delaware Valley ISSA
http://www.issa-dv.org/
Security B-Sides Delaware
http://www.securitybsides.com/w/page/28563447/BSidesDelaware
Infragard
National  http://www.infragard.net/
Maryland  http://www.mdinfragard.net
Philadelphia  http://www.infragardphl.org/
Other Security Conferences
http://www.iacr.org/events/
http://www.securityinfonet.com/Security_Conferences_and_Seminars.htm
http://faculty.cs.tamu.edu/guofei/sec_conf_stat.htm  Rankings