The NSH operates 24 hours a day, 7 days a week and is the central point of contact to report concerns about possible signs of terrorism and foreign interference in our community.
You can report issues to the NSH that you think might pose a threat to our national security. This could include, but is not limited to:
- websites or social media promoting
violent extremist ideology
excess purchasing of chemicals or other dangerous materials
- someone you’re concerned is at risk of becoming
- someone acting on behalf of a
foreign government undermining Australia’s sovereignty or democracy
- community members being
intimidated or harassed by foreign actors
suspicious travel planning or
If you have information or an enquiry relating to police checks, visas, travel advice, scams, or
customs issues, please refer to the contact table below.
The smallest piece of information can assist an investigation. Terrorism and foreign interference are complex problems. It can be hard to know what might be important.
What you tell us could be vital,
and we will always take you seriously.
NSH operators will know what to do with the information you have given us. They will pass it on to law enforcement and security agencies for investigation.
We know that reporting a matter of concern can be a big step. We take your right to privacy very seriously. Tell the operator if you want to remain anonymous.
For more information on how we use and disclose your personal information, you can read the
National Security Hotline’s Privacy Disclosure
PHONE: 1800 123 400
SMS: 0429 771 822
National Security Hotline
Department of Home Affairs
PO Box 25
Belconnen ACT 2616
If you are travelling overseas and become aware of threats to Australia’s security, you can contact the hotline toll-free on
(+61) 1300 123 401.
If you need an interpreter, call the Translating and Interpreting Service on
131 450. You can ask them to call the National Security Hotline on 1800 123 400.
For TTY users, call
1800 234 889.
If your enquiry does not relate to National Security the below table may assist:
Police, fire or ambulance response to a life-threatening emergency, or report a crime in progress
Reporting a crime, or getting advice about local security and safety issues in your community
Phone your local police on 131 444, or Crime Stoppers on 1800 333 000
Suspicious or illegal immigration, customs and border-related activity
Travel, whether leaving or coming into Australia, COVID-19 and travel restrictions, Australian passport queries
Visas and citizenship, including the progress of your application, visa extensions, and other visa options available
Contact Home Affairs Global Service Centre
(from within Australia): Ph: 131 881 (Mon-Fri, 9:00am – 5:00pm local time)
(from outside of Australia): Ph: +61 2 6196 0196
Individuals defrauding welfare, child support, Medicare or Centrelink payments