Home Affairs brings together Australia's federal law enforcement, national and transport security, criminal justice, emergency management, multicultural affairs, settlement services and immigration and border-related functions, working together to keep Australia safe.

​​The Department is responsible for immigration and customs border policy, as well as:

• National security and law enforcement policy
• Emergency management, including crisis management and disaster recovery
• Counter terrorism policy and coordination
• Cyber security policy and coordination
• Countering foreign interference
• Critical infrastructure protection
• Multicultural affairs
• Countering violent extremism programs
• Transport Security