Australia faces a $15 billion bill to replace old government computer systems at risk from artificial intelligence (AI), a national security leader has warned, but departments will need to squeeze the cost into existing budgets over time and "wargame" cyber protections until they go offline.
Australia's cyber security culture also needs a seismic shift, a digital security conference in Canberra heard Wednesday, moving beyond rules-based compliance to live drills that test how systems and staff handle an attack.
