Australia’s leading cybersecurity body is investigating a major disruption that saw Parliament’s email network shut down. It comes after media conglomerate Nine Network confirmed it was targeted in a cyberattack over the weekend. Assistant Defence Minister Andrew Hastie said the issue was linked to an external service provider to the Department of Parliamentary Services’ (DPS) email network. The connection to government services was severed immediately as a precaution. “The government acted quickly, and we have the best minds in the world working to ensure Australia remains the most secure place to operate online,” Hastie said in a statement issued on Sunday. Hastie said the situation was a “timely reminder” for Australians not to be complacent on cybersecurity. “It is vital that Australian businesses and organisations are alert to this threat and take the necessary steps to ensure our digital sovereignty,” he said. “Cybersecurity is a team effort and a shared …