By David Crowe and Max Koslowski
Australian governments and industry are being targeted by major cyber attacks that could put pressure on critical infrastructure and public services, with China understood to be a likely source of the threat.
Prime Minister Scott Morrison revealed the "malicious" attacks on Friday morning after briefing state premiers as well as Labor leader Anthony Albanese on Thursday night, saying the threat showed a level of sophistication that could only come from a state-based actor.
Prime Minister Scott Morrison has spoken about a major cyber attack that hit the government and private sector.
"Based on advice provided to me by our cyber experts, Australian organisations are currently being targeted by a sophisticated state-based cyber actor," Mr Morrison said.
"This act is targeting Australian organisations across a range of sectors including all levels of government, industry, political organisations, education, health, essential service providers and operators of other critical infrastructure."