Link to conference homepages instead of past year's events.

README.md

@@ -210,7 +210,7 @@ See also [DEF CON Suggested Reading](https://www.defcon.org/html/links/book-list
 * [DeepSec](https://deepsec.net/) - Security Conference in Vienna, Austria.
 * [DefCamp](http://def.camp/) - Largest Security Conference in Eastern Europe, held annually in Bucharest, Romania.
 * [FSec](http://fsec.foi.hr) - FSec - Croatian Information Security Gathering in Varaždin, Croatia.
-* [Hack.lu](https://2016.hack.lu/) - Annual conference held in Luxembourg.
+* [Hack.lu](https://hack.lu/) - Annual conference held in Luxembourg.
 * [Infosecurity Europe](http://www.infosecurityeurope.com/) - Europe's number one information security event, held in London, UK.
 * [SteelCon](https://www.steelcon.info/) - Security conference in Sheffield UK.
 * [Swiss Cyber Storm](https://www.swisscyberstorm.com/) - Annual security conference in Lucerne, Switzerland.
@@ -242,7 +242,7 @@ See also [DEF CON Suggested Reading](https://www.defcon.org/html/links/book-list
 
 ### Zealandia
 
-* [CHCon](https://2016.chcon.nz/) - Christchurch Hacker Con, Only South Island of New Zealand hacker con.
+* [CHCon](https://chcon.nz) - Christchurch Hacker Con, Only South Island of New Zealand hacker con.
 
 ## Docker Containers