Generally, the function of the Security and Public Order Division is to maintain peace, ensure internal and border security, and enhance the effectiveness of law enforcement in order to safeguard the harmony and well-being of the people of Malaysia.

The Division essentially encompasses three (3) main scopes, namely public security and order, border security, and the aspects of prevention, rehabilitation, and strategic coordination. These scopes are realised through the implementation of relevant laws under the responsibility of this Division, namely:

1. Prevention of Crime Act 1959
2. Prevention of Terrorism Act 2015
3. Dangerous Drugs (Special Preventive Measures) Act 1985
4. Sedition Act 1948
5. Private Agencies Act 1971
6. Protected Areas and Protected Places Act 1959
7. Second-Hand Dealers Act 1946
8. Police Act 1967
9. Security Offences (Special Measures) Act 2012
10. Registration of Criminals and Undesirable Persons Act 1969
11. House to House and Street Collections Act 1947
12. Corrosive and Explosive Substances and Offensive Weapons Act 1958
13. Explosives Act 1957
14. Abduction and Criminal Intimidation of Witnesses Act 1947
15. Special Measures Against Terrorism In Foreign Countries Act 2015
16. Peaceful Assembly Act 2012
17. Deoxyribonucleic Acid (DNA) Identification Act 2009
18. Minor Offences Act 1955
19. Public Order (Preservation) Act 1958
20. Extradition Act 1992
21. Public Order Ordinance 1961 [Sabah Cap. 48]
22. Public Order Ordinance 1962 [Sarawak Cap. 33]
23. Arms Act 1960
24. Firearms (Increased Penalties) Act 1971
25. Malaysian Maritime Enforcement Agency Act 2004
26. Dangerous Drugs (Forfeiture of Property) Act 1988