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The useful interval depends on how often the data changes and how much work could be lost. The Australian Cyber Security Centre recommends a regular or automatic routine, protection for backup accounts, at least one offline or separated copy where appropriate, and testing that important data can actually be restored.

Official sources: Australian Cyber Security Centre backup guidance

Do not grant remote access because of an unexpected call, pop-up or message. The Australian Cyber Security Centre advises verifying an organisation through contact details sourced independently, not details supplied by the caller. If an unknown person has already accessed the device, disconnect, contact the bank if financial information may be involved, change important passwords and report the incident.

Official sources: Australian Cyber Security Centre remote access scam advice

Queensland identifies November to April as storm season and warns that severe storms can cause power failure. Before warnings are issued, know how essential devices and internet equipment will be powered, keep important contact details available and confirm that current backups are separated from the devices they protect. During a warning, follow official safety advice and unplug equipment when directed.

Official sources: Queensland severe storm guidance, Queensland electrical storm safety guidance, Australian Cyber Security Centre backup guidance