NSW (New South Wales) is Australia's most populous state. There are 810 000 students in NSW public schools. https://www.smh.com.au/national/nsw/nsw-teachers-in-state-of-paralysis-after-cyber-attack-20210708-p5883b.html Public school teachers and principals could be without access to their online learning materials and email accounts until next week, after a cyber attack hit the NSW Education Department just hours after the state government directed schools to return to remote learning. Educators have been locked out of the department’s online portal and unable to access their calendars, remote learning resources and communications since Wednesday evening, when the department deactivated its systems as a precaution while investigating the attack. The error message on the department's portal. On Thursday, department secretary Georgina Harrisson said she was confident online access would be restored by the start of term three, which begins on Tuesday, and assured families home learning would not be impacted.