It's good to see security collaboration at the state level. As attackers and their infrastructure remain distributed, it is difficult for one geography, company, or country to always have full sight of issues.
Having sharing agreements in place can only help in the long run.
he two countries agreed to establish a "mechanism" to discuss cybersecurity and cyber crime issues, in a bid to prevent cyber incidents that could create problems between Australia and China. The cyber cooperation arrangement follows a meeting between Turnbull and Premier Li Keqiang during the latter's visit to Australia in March, which raised cyber-enabled intellectual property theft issues.