Russian nation-state actors and sympathetic cybercriminal groups are “exploring options” for a barrage of cyberattacks on critical infrastructure in Australia and other countries opposed to Russia’s invasion of Ukraine, authorities have warned as the ongoing conflict reshapes real-world and online power dynamics worldwide. At the same time, Chinese entities have been professionalising and apparently coordinating their cyberattacks on Australia and other countries. “Evolving intelligence indicates that the Russian government is exploring options for potential cyberattacks,” the US Cybersecurity and Infrastructure Security Agency (CISA) said in a new warning —endorsed by the Australian Cyber Security Centre (ACSC) and the comparable Five…