A new power giving the attorney-general veto power over the prosecution of journalists accused of breaching secrecy laws looms as a major hurdle to reforms passing parliament.
The Albanese government is looking to roll back a third of Australia's criminal secrecy provisions, which have ballooned this century.
Alliance for Journalists' Freedom executive director Peter Greste, appearing before a Senate committee on Wednesday, said that included 130 new security laws in the two decades after September 11, 2001.