 In our fast-paced world, it's easy to miss anything unusual. But with the ongoing threat of terrorism, we all need to play a part by reporting anything suspicious. Even if you think it's probably nothing, the smallest piece of information can be valuable. Calls to the National Security Hotline have already contributed to investigations. If something doesn't add up, speak up by calling the National Security Hotline on 1-800-123-400 and help keep Australia safe from terrorism. Authorised by the Australian Government camera.