Standards Australia has published SA HB 188, Base-building physical security handbook — Terrorism and extreme violence.

The Handbook guides and advises on proactive security management.

Australia's current National Terrorism Threat Level is probable[1], meaning there are individuals or groups that may have the intent to cause harm in Australia.
 
Against this backdrop, Standards Australia has published the handbook, SA HB 188, Base-building physical security handbook — Terrorism and extreme violence which guides best practice processes for protecting assets from physical terrorist threats and other acts of extreme violence.

Read more here.

[1] Australian National Security, Current National Terrorism Threat Level | Accessed: 10 December 2021