To protect extremists from disrupting harmony in Sabah Sarawak.

These are some of the best-known individuals publicly confirmed as banned at different times:

Sarawak

1. Zakir Naik (controversial Islamic preacher)
2. Ridhuan Tee Abdullah (religious commentator)
3. Ibrahim Ali (Perkasa, known for racial/religious remarks)
4. Haslin Baharim (Ustaz Bollywood) – sermons considered inflammatory
5. Ismail Mina Ahmad – linked to hardline Islamic positions

Sabah

1. Zulkifli Mohamad Al-Bakri (at the time, FT Mufti) – over concerns of tensions (later lifted)
2. Haslin Baharim – same reason as Sarawak
3. Ridhuan Tee Abdullah – similar concerns