I'm trying to plan out my schedule for the next few months. Some of you may find this a useful reference. It'd be really neat if someone were to enter all this info into a public Google Calender or something (like ConThingy, but that looks a little bit broken at the moment).
CFP Final Deadlines:
Black-Hat Vegas : May 15
Recon : May 15
BruCON : May 15
DefCon : May 27
ToorCon Seattle : Jun 1
hack.lu : Jun 1
OWASP AppSec USA : Jun 14
TakedownCon Vegas : Jun 30
HashDays : Jul 3
HITB SecConf Malaysia : Jul 15
Source Barcelona : Jul 15
SecTor : Aug 15
Black Hat Abu Dhabi : Sep 15
Ever Conference I Can Find:
May 12-13 : Internet Security Operations & Intelligence 9 [Dulles,VA,USA]
May 17-20 : HITB Security Conference [Amsterdam,NH,NLD]
May 18-19 : Takedown Con [Dallas,TX,USA]
May 27-29 : ph-neutral 0x7db [Berlin,BE,DEU]
May 28-29 : LayerOne [Anaheim,CA,USA]
Jun 7-10 : OWASP AppSec [Dublin,L,IRL]
Jun 10-12 : Summercon [Brooklyn,NY,USA]
Jun 15-16 : Source-Seattle [Seattle,WA,USA]
Jun 17-19 : ToorCon-Seattle [Seattle,WA,USA]
Jul 8-10 : RECON [Montreal,QC,CAN]
Aug 2- 4 : Black Hat Briefings [Las Vegas,NV,USA]
Aug 4- 7 : DEFCON 19 [Las Vegas,NV,USA]
Aug 10-14 : CCC Camp [Finowfurt,BB,DEU]
Sep 8- 9 : Sec-T [Stockholm,AB,SWE]
Sep 19-21 : BruCON [Etterbeek,BRU,BEL]
Sep 19-21 : hack.lu [Luxembourg District,LUX]
Sep 22-23 : OWASP AppSec [Minneapolis,MN,USA]
Oct 10-13 : HITB Security Conference [Kuala Lumpur,KL,MYS]
Oct 18-19 : SecTor [Toronto,ON,CAN]
Oct 26-29 : HashDays [Lucerne,LU,CHE]
Nov 14-18 : Source-Barcelona [Barcelona,B,ESP]
Dec 6- 7 : TakedownCon Vegas [Las Vegas,NV,USA]
Dec 12-15 : Black Hat Abu Dhabi [Abu Dhabi,ARE]
Dec 27-30 : 28C3 [Berlin,BE,DEU]
Not listed: BayThreat, San Diego ToorCon, various BSides.