About ISD

Safeguarding the Nation’s Sovereignty and Stability of the State

To give early warnings to the Government of His Majesty The Sultan regarding potential security threats that may jeopardise the security of Brunei Darussalam.

Issuing early warnings can assist the Government of His Majesty The Sultan in taking preemptive measures to mitigate or prevent the potentiality of threats concerned from happening. 

Explore the Goals, Vision & Functions of Brunei Internal Security Department

Learn about the history of Brunei Internal Security Department.