There are two bills [1][2] of currently proposed law changes, both granting a lot of extra power to the GCSB (New Zealand's equivalent of the UK's GCHQ and to a lesser extent the USA's NSA). You can find much more info and commentary here: http://techliberty.org.nz/tag/gcsb/
[1] http://img.scoop.co.nz/media/pdfs/1305/wstGovernment_Communi...
[2] http://img.scoop.co.nz/media/pdfs/1305/Telecommunications_In...